ExpVectorLong

java.lang.Object
- org.matheclipse.core.polynomials.ExpVectorLong

```
public final class ExpVectorLong
extends java.lang.Object
```
ExpVectorLong implements exponent vectors for polynomials using arrays of long as storage unit. This class is used by ExpVectorLong internally, there is no need to use this class directly.

Constructor Summary

Constructors
Constructor and Description
`ExpVectorLong(int n)` Constructor for ExpVectorLong.
`ExpVectorLong(int n, int i, long e)` Constructor for ExpVectorLong.
`ExpVectorLong(long[] v)` Constructor for ExpVectorLong.
`ExpVectorLong(java.lang.String s)` Constructor for ExpVectorLong.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`ExpVectorLong`	`abs()` ExpVectorLong absolute value.
`ExpVectorLong`	`combine(ExpVectorLong V)` Combine with ExpVectorLong.
`int`	`compareTo(ExpVectorLong V)` ExpVectorLong compareTo.
`ExpVectorLong`	`contract(int i, int len)` Contract variables.
`ExpVectorLong`	`copy()` Clone this.
`static ExpVectorLong`	`create(java.util.Collection<java.lang.Long> v)` Factory constructor for ExpVector.
`int[]`	`dependencyOnVariables()` ExpVectorLong dependency on variables.
`boolean`	`equals(java.lang.Object B)` Comparison with any other object.
`static int`	`EVIGLC(ExpVectorLong U, ExpVectorLong V)` Inverse graded lexicographical compare.
`static int`	`EVIGLC(ExpVectorLong U, ExpVectorLong V, int begin, int end)` Inverse graded lexicographical compare part.
`static int`	`EVILCP(ExpVectorLong U, ExpVectorLong V)` Inverse lexicographical compare.
`static int`	`EVILCP(ExpVectorLong U, ExpVectorLong V, int begin, int end)` Inverse lexicographical compare part.
`static int`	`EVITDEGLC(ExpVectorLong U, ExpVectorLong V)` Inverse total degree lexicographical compare.
`static int`	`EVIWLC(long[][] w, ExpVectorLong U, ExpVectorLong V)` Inverse weighted lexicographical compare.
`static int`	`EVIWLC(long[][] w, ExpVectorLong U, ExpVectorLong V, int begin, int end)` Inverse weighted lexicographical compare part.
`static int`	`EVRIGLC(ExpVectorLong U, ExpVectorLong V)` Reverse inverse graded lexicographical compare.
`static int`	`EVRIGLC(ExpVectorLong U, ExpVectorLong V, int begin, int end)` Reverse inverse graded lexicographical compare part.
`static int`	`EVRILCP(ExpVectorLong U, ExpVectorLong V)` Reverse inverse lexicographical compare.
`static int`	`EVRILCP(ExpVectorLong U, ExpVectorLong V, int begin, int end)` Reverse inverse lexicographical compare part.
`static int`	`EVRLITDEGC(ExpVectorLong U, ExpVectorLong V)` Reverse lexicographical inverse total degree compare.
`ExpVectorLong`	`extend(int i, int j, long e)` Extend variables.
`ExpVectorLong`	`extendLower(int i, int j, long e)` Extend lower variables.
`ExpVectorLong`	`gcd(ExpVectorLong V)` ExpVectorLong greatest common divisor.
`long[]`	`getVal()` Get the exponent vector.
`long`	`getVal(int i)` Get the exponent at position i.
`int`	`hashCode()` hashCode.
`static int`	`indexVar(IExpr x, IAST vars)` Get the index of a variable.
`int`	`invGradCompareTo(ExpVectorLong V)` ExpVectorLong inverse graded lexicographical compareTo.
`int`	`invGradCompareTo(ExpVectorLong V, int begin, int end)` ExpVectorLong inverse graded lexicographical compareTo.
`int`	`invLexCompareTo(ExpVectorLong V)` ExpVectorLong inverse lexicographical compareTo.
`int`	`invLexCompareTo(ExpVectorLong V, int begin, int end)` ExpVectorLong inverse lexicographical compareTo.
`int`	`invTdegCompareTo(ExpVectorLong V)` ExpVector inverse total degree lexicographical compareTo.
`int`	`invWeightCompareTo(long[][] w, ExpVectorLong V)` ExpVectorLong inverse weighted lexicographical compareTo.
`int`	`invWeightCompareTo(long[][] w, ExpVectorLong V, int begin, int end)` ExpVectorLong inverse weighted lexicographical compareTo.
`boolean`	`isFinite()` Is this structure finite or infinite.
`boolean`	`isZero()` Is ExpVector zero.
`ExpVectorLong`	`lcm(ExpVectorLong V)` ExpVectorLong least common multiple.
`int`	`length()` Get the length of this exponent vector.
`long`	`maxDeg()` ExpVectorLong maximal degree.
`boolean`	`multipleOf(ExpVectorLong V)` ExpVectorLong multiple test.
`ExpVectorLong`	`negate()` ExpVectorLong negate.
`ExpVectorLong`	`permutation(java.util.List<java.lang.Integer> P)` Permutation of exponent vector.
`ExpVectorLong`	`reverse()` Reverse variables.
`ExpVectorLong`	`reverse(int j)` Reverse lower j variables.
`ExpVectorLong`	`reverseUpper(int j)` Reverse upper j variables.
`int`	`revInvGradCompareTo(ExpVectorLong V)` ExpVectorLong reverse inverse graded compareTo.
`int`	`revInvGradCompareTo(ExpVectorLong V, int begin, int end)` ExpVectorLong reverse inverse graded compareTo.
`int`	`revInvLexCompareTo(ExpVectorLong V)` ExpVectorLong reverse inverse lexicographical compareTo.
`int`	`revInvLexCompareTo(ExpVectorLong V, int begin, int end)` ExpVectorLong reverse inverse lexicographical compareTo.
`int`	`revLexInvTdegCompareTo(ExpVectorLong V)` ExpVector reverse lexicographical inverse total degree compareTo.
`protected long`	`setVal(int i, long e)` Set the exponent at position i to e.
`int`	`signum()` ExpVectorLong signum.
`IAST`	`stdVars()` Standard variable names.
`static IAST`	`STDVARS(int n)` Standard variable names.
`IAST`	`stdVars(java.lang.String prefix)` Generate variable names.
`static IAST`	`STDVARS(java.lang.String prefix, int n)` Generate variable names.
`ExpVectorLong`	`subst(int i, long d)` ExpVectorLong substitution.
`ExpVectorLong`	`subtract(ExpVectorLong V)` ExpVectorLong subtract.
`ExpVectorLong`	`sum(ExpVectorLong V)` ExpVectorLong summation.
`java.lang.String`	`toScript()` Get a scripting compatible string representation.
`java.lang.String`	`toScript(IAST vars)` Get a scripting compatible string representation.
`java.lang.String`	`toString()` Get the string representation.
`java.lang.String`	`toString(IAST vars)` Get the string representation with variable names.
`long`	`totalDeg()` ExpVectorLong total degree.
`static ExpVectorLong`	`valueOf(int n)` Creates an empty ExpVectorLong.
`int`	`varIndex(int idx)` Get the array index of a variable at index.
`static java.lang.String`	`varsToString(IAST vars)` Get the string representation of the variables.
`long`	`weightDeg(long[][] w)` ExpVectorLong weighted degree.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - ExpVectorLong
```
public ExpVectorLong(int n)
```
    Constructor for ExpVectorLong.
    
    Parameters:
    
    n - length of exponent vector.
  - ExpVectorLong
```
public ExpVectorLong(int n,
                     int i,
                     long e)
```
    Constructor for ExpVectorLong. Sets exponent i to e.
    
    Parameters:
    
    n - length of exponent vector.
    
    i - index of exponent to be set.
    
    e - exponent to be set.
  - ExpVectorLong
```
public ExpVectorLong(long[] v)
```
    Constructor for ExpVectorLong. Sets val.
    
    Parameters:
    
    v - internal representation array.
  - ExpVectorLong
```
public ExpVectorLong(java.lang.String s)
              throws java.lang.NumberFormatException
```
    Constructor for ExpVectorLong. Converts a String representation to an ExpVectorLong. Accepted format = (1,2,3,4,5,6,7).
    
    Parameters:
    
    s - String representation.
    
    Throws:
    
    java.lang.NumberFormatException
- Method Detail
  - copy
```
public ExpVectorLong copy()
```
    Clone this.
    
    See Also:
    
    Object.clone()
  - create
```
public static ExpVectorLong create(java.util.Collection<java.lang.Long> v)
```
    Factory constructor for ExpVector. Sets val.
    
    Parameters:
    
    v - collection of exponents.
  - getVal
```
public long[] getVal()
```
    Get the exponent vector.
    
    Returns:
    
    val.
  - getVal
```
public long getVal(int i)
```
    Get the exponent at position i.
    
    Parameters:
    
    i - position.
    
    Returns:
    
    val[i].
  - setVal
```
protected long setVal(int i,
                      long e)
```
    Set the exponent at position i to e.
    
    Parameters:
    
    i -
    
    e -
    
    Returns:
    
    old val[i].
  - isZero
```
public boolean isZero()
```
    Is ExpVector zero.
    
    Returns:
    
    If this has all elements 0 then true is returned, else false.
  - isFinite
```
public boolean isFinite()
```
    Is this structure finite or infinite.
    
    Returns:
    
    true if this structure is finite, else false.
    
    See Also:
    
    Note: returns true because of finite set of values in each index.
  - stdVars
```
public IAST stdVars()
```
    Standard variable names. Generate standard names for variables, i.e. x0 to x(n-1).
    
    Returns:
    
    standard names.
  - stdVars
```
public IAST stdVars(java.lang.String prefix)
```
    Generate variable names. Generate names for variables, i.e. prefix0 to prefix(n-1).
    
    Parameters:
    
    prefix - name prefix.
    
    Returns:
    
    standard names.
  - STDVARS
```
public static IAST STDVARS(int n)
```
    Standard variable names. Generate standard names for variables, i.e. x0 to x(n-1).
    
    Parameters:
    
    n - size of names array
    
    Returns:
    
    standard names.
  - STDVARS
```
public static IAST STDVARS(java.lang.String prefix,
                           int n)
```
    Generate variable names. Generate names for variables from given prefix. i.e. prefix0 to prefix(n-1).
    
    Parameters:
    
    n - size of names array.
    
    prefix - name prefix.
    
    Returns:
    
    vatiable names.
  - length
```
public int length()
```
    Get the length of this exponent vector.
    
    Returns:
    
    val.length.
  - extend
```
public ExpVectorLong extend(int i,
                            int j,
                            long e)
```
    Extend variables. Used e.g. in module embedding. Extend this by i elements and set val[j] to e.
    
    Parameters:
    
    i - number of elements to extend.
    
    j - index of element to be set.
    
    e - new exponent for val[j].
    
    Returns:
    
    extended exponent vector.
  - extendLower
```
public ExpVectorLong extendLower(int i,
                                 int j,
                                 long e)
```
    Extend lower variables. Extend this by i lower elements and set val[j] to e.
    
    Parameters:
    
    i - number of elements to extend.
    
    j - index of element to be set.
    
    e - new exponent for val[j].
    
    Returns:
    
    extended exponent vector.
  - contract
```
public ExpVectorLong contract(int i,
                              int len)
```
    Contract variables. Used e.g. in module embedding. Contract this to len elements.
    
    Parameters:
    
    i - position of first element to be copied.
    
    len - new length.
    
    Returns:
    
    contracted exponent vector.
  - reverse
```
public ExpVectorLong reverse()
```
    Reverse variables. Used e.g. in opposite rings.
    
    Returns:
    
    reversed exponent vector.
  - reverse
```
public ExpVectorLong reverse(int j)
```
    Reverse lower j variables. Used e.g. in opposite rings. Reverses the first j-1 variables, the rest is unchanged.
    
    Parameters:
    
    j - index of first variable reversed.
    
    Returns:
    
    reversed exponent vector.
  - reverseUpper
```
public ExpVectorLong reverseUpper(int j)
```
    Reverse upper j variables. Reverses the last j-1 variables, the rest is unchanged.
    
    Parameters:
    
    j - index of first variable not reversed.
    
    Returns:
    
    reversed exponent vector.
  - combine
```
public ExpVectorLong combine(ExpVectorLong V)
```
    Combine with ExpVectorLong. Combine this with the other ExpVectorLong V.
    
    Parameters:
    
    V - the other exponent vector.
    
    Returns:
    
    combined exponent vector.
  - permutation
```
public ExpVectorLong permutation(java.util.List<java.lang.Integer> P)
```
    Permutation of exponent vector.
    
    Parameters:
    
    P - permutation.
    
    Returns:
    
    P(e).
  - toString
```
public java.lang.String toString()
```
    Get the string representation.
    
    Overrides:
    
    toString in class java.lang.Object
    
    See Also:
    
    Object.toString()
  - toString
```
public java.lang.String toString(IAST vars)
```
    Get the string representation with variable names.
    
    Parameters:
    
    vars - names of variables.
    
    See Also:
    
    Object.toString()
  - varsToString
```
public static java.lang.String varsToString(IAST vars)
```
    Get the string representation of the variables.
    
    Parameters:
    
    vars - names of variables.
    
    Returns:
    
    string representation of the variables.
    
    See Also:
    
    Object.toString()
  - toScript
```
public java.lang.String toScript()
```
    Get a scripting compatible string representation.
    
    Returns:
    
    script compatible representation for this Element.
    
    See Also:
    
    Element.toScript()
  - toScript
```
public java.lang.String toScript(IAST vars)
```
    Get a scripting compatible string representation.
    
    Returns:
    
    script compatible representation for this Element.
    
    See Also:
    
    Element.toScript()
  - equals
```
public boolean equals(java.lang.Object B)
```
    Comparison with any other object.
    
    Overrides:
    
    equals in class java.lang.Object
    
    See Also:
    
    Object.equals(java.lang.Object)
  - hashCode
```
public int hashCode()
```
    hashCode. Optimized for small exponents, i.e. ≤ 2⁴ and small number of variables, i.e. ≤ 8.
    
    Overrides:
    
    hashCode in class java.lang.Object
    
    See Also:
    
    Object.hashCode()
  - abs
```
public ExpVectorLong abs()
```
    ExpVectorLong absolute value.
    
    Returns:
    
    abs(this).
  - negate
```
public ExpVectorLong negate()
```
    ExpVectorLong negate.
    
    Returns:
    
    -this.
  - sum
```
public ExpVectorLong sum(ExpVectorLong V)
```
    ExpVectorLong summation.
    
    Parameters:
    
    V -
    
    Returns:
    
    this+V.
  - subtract
```
public ExpVectorLong subtract(ExpVectorLong V)
```
    ExpVectorLong subtract. Result may have negative entries.
    
    Parameters:
    
    V -
    
    Returns:
    
    this-V.
  - subst
```
public ExpVectorLong subst(int i,
                           long d)
```
    ExpVectorLong substitution. Clone and set exponent to d at position i.
    
    Parameters:
    
    i - position.
    
    d - new exponent.
    
    Returns:
    
    substituted ExpVectorLong.
  - signum
```
public int signum()
```
    ExpVectorLong signum.
    
    Returns:
    
    0 if this is zero, -1 if some entry is negative, 1 if no entry is negative and at least one entry is positive.
  - totalDeg
```
public long totalDeg()
```
    ExpVectorLong total degree.
    
    Returns:
    
    sum of all exponents.
  - maxDeg
```
public long maxDeg()
```
    ExpVectorLong maximal degree.
    
    Returns:
    
    maximal exponent.
  - weightDeg
```
public long weightDeg(long[][] w)
```
    ExpVectorLong weighted degree.
    
    Parameters:
    
    w - weights.
    
    Returns:
    
    weighted sum of all exponents.
  - lcm
```
public ExpVectorLong lcm(ExpVectorLong V)
```
    ExpVectorLong least common multiple.
    
    Parameters:
    
    V -
    
    Returns:
    
    component wise maximum of this and V.
  - gcd
```
public ExpVectorLong gcd(ExpVectorLong V)
```
    ExpVectorLong greatest common divisor.
    
    Parameters:
    
    V -
    
    Returns:
    
    component wise minimum of this and V.
  - dependencyOnVariables
```
public int[] dependencyOnVariables()
```
    ExpVectorLong dependency on variables.
    
    Returns:
    
    array of indices where val has positive exponents.
  - multipleOf
```
public boolean multipleOf(ExpVectorLong V)
```
    ExpVectorLong multiple test. Test if this is component wise greater or equal to V.
    
    Parameters:
    
    V -
    
    Returns:
    
    true if this is a multiple of V, else false.
  - compareTo
```
public int compareTo(ExpVectorLong V)
```
    ExpVectorLong compareTo.
    
    Parameters:
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVILCP
```
public static int EVILCP(ExpVectorLong U,
                         ExpVectorLong V)
```
    Inverse lexicographical compare.
    
    Parameters:
    
    U -
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVILCP
```
public static int EVILCP(ExpVectorLong U,
                         ExpVectorLong V,
                         int begin,
                         int end)
```
    Inverse lexicographical compare part. Compare entries between begin and end (-1).
    
    Parameters:
    
    U -
    
    V -
    
    begin -
    
    end -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVIGLC
```
public static int EVIGLC(ExpVectorLong U,
                         ExpVectorLong V)
```
    Inverse graded lexicographical compare.
    
    Parameters:
    
    U -
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVIGLC
```
public static int EVIGLC(ExpVectorLong U,
                         ExpVectorLong V,
                         int begin,
                         int end)
```
    Inverse graded lexicographical compare part. Compare entries between begin and end (-1).
    
    Parameters:
    
    U -
    
    V -
    
    begin -
    
    end -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVRILCP
```
public static int EVRILCP(ExpVectorLong U,
                          ExpVectorLong V)
```
    Reverse inverse lexicographical compare.
    
    Parameters:
    
    U -
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVRILCP
```
public static int EVRILCP(ExpVectorLong U,
                          ExpVectorLong V,
                          int begin,
                          int end)
```
    Reverse inverse lexicographical compare part. Compare entries between begin and end (-1).
    
    Parameters:
    
    U -
    
    V -
    
    begin -
    
    end -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVRIGLC
```
public static int EVRIGLC(ExpVectorLong U,
                          ExpVectorLong V)
```
    Reverse inverse graded lexicographical compare.
    
    Parameters:
    
    U -
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVRIGLC
```
public static int EVRIGLC(ExpVectorLong U,
                          ExpVectorLong V,
                          int begin,
                          int end)
```
    Reverse inverse graded lexicographical compare part. Compare entries between begin and end (-1).
    
    Parameters:
    
    U -
    
    V -
    
    begin -
    
    end -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVITDEGLC
```
public static int EVITDEGLC(ExpVectorLong U,
                            ExpVectorLong V)
```
    Inverse total degree lexicographical compare.
    
    Parameters:
    
    U -
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVRLITDEGC
```
public static int EVRLITDEGC(ExpVectorLong U,
                             ExpVectorLong V)
```
    Reverse lexicographical inverse total degree compare.
    
    Parameters:
    
    U -
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVIWLC
```
public static int EVIWLC(long[][] w,
                         ExpVectorLong U,
                         ExpVectorLong V)
```
    Inverse weighted lexicographical compare.
    
    Parameters:
    
    w - weight array.
    
    U -
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - EVIWLC
```
public static int EVIWLC(long[][] w,
                         ExpVectorLong U,
                         ExpVectorLong V,
                         int begin,
                         int end)
```
    Inverse weighted lexicographical compare part. Compare entries between begin and end (-1).
    
    Parameters:
    
    w - weight array.
    
    U -
    
    V -
    
    begin -
    
    end -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - invLexCompareTo
```
public int invLexCompareTo(ExpVectorLong V)
```
    ExpVectorLong inverse lexicographical compareTo.
    
    Parameters:
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - invLexCompareTo
```
public int invLexCompareTo(ExpVectorLong V,
                           int begin,
                           int end)
```
    ExpVectorLong inverse lexicographical compareTo.
    
    Parameters:
    
    V -
    
    begin -
    
    end -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - invGradCompareTo
```
public int invGradCompareTo(ExpVectorLong V)
```
    ExpVectorLong inverse graded lexicographical compareTo.
    
    Parameters:
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - invGradCompareTo
```
public int invGradCompareTo(ExpVectorLong V,
                            int begin,
                            int end)
```
    ExpVectorLong inverse graded lexicographical compareTo.
    
    Parameters:
    
    V -
    
    begin -
    
    end -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - revInvLexCompareTo
```
public int revInvLexCompareTo(ExpVectorLong V)
```
    ExpVectorLong reverse inverse lexicographical compareTo.
    
    Parameters:
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - revInvLexCompareTo
```
public int revInvLexCompareTo(ExpVectorLong V,
                              int begin,
                              int end)
```
    ExpVectorLong reverse inverse lexicographical compareTo.
    
    Parameters:
    
    V -
    
    begin -
    
    end -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - revInvGradCompareTo
```
public int revInvGradCompareTo(ExpVectorLong V)
```
    ExpVectorLong reverse inverse graded compareTo.
    
    Parameters:
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - revInvGradCompareTo
```
public int revInvGradCompareTo(ExpVectorLong V,
                               int begin,
                               int end)
```
    ExpVectorLong reverse inverse graded compareTo.
    
    Parameters:
    
    V -
    
    begin -
    
    end -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - invTdegCompareTo
```
public int invTdegCompareTo(ExpVectorLong V)
```
    ExpVector inverse total degree lexicographical compareTo.
    
    Parameters:
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - revLexInvTdegCompareTo
```
public int revLexInvTdegCompareTo(ExpVectorLong V)
```
    ExpVector reverse lexicographical inverse total degree compareTo.
    
    Parameters:
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - invWeightCompareTo
```
public int invWeightCompareTo(long[][] w,
                              ExpVectorLong V)
```
    ExpVectorLong inverse weighted lexicographical compareTo.
    
    Parameters:
    
    w - weight array.
    
    V -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - invWeightCompareTo
```
public int invWeightCompareTo(long[][] w,
                              ExpVectorLong V,
                              int begin,
                              int end)
```
    ExpVectorLong inverse weighted lexicographical compareTo.
    
    Parameters:
    
    w - weight array.
    
    V -
    
    begin -
    
    end -
    
    Returns:
    
    0 if U == V, -1 if U < V, 1 if U > V.
  - valueOf
```
public static ExpVectorLong valueOf(int n)
```
    Creates an empty ExpVectorLong.
    
    Parameters:
    
    n - length of exponent vector.
  - varIndex
```
public int varIndex(int idx)
```
    Get the array index of a variable at index.
    
    Parameters:
    
    idx - index of the variable
    
    Returns:
    
    array index of the variable.
  - indexVar
```
public static int indexVar(IExpr x,
                           IAST vars)
```
    Get the index of a variable.
    
    Parameters:
    
    x - variable name to be searched.
    
    vars - array of names of variables
    
    Returns:
    
    index of x in vars.

Class ExpVectorLong

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ExpVectorLong

ExpVectorLong

ExpVectorLong

ExpVectorLong

Method Detail

copy

create

getVal

getVal

setVal

isZero

isFinite

stdVars

stdVars

STDVARS

STDVARS

length

extend

extendLower

contract

reverse

reverse

reverseUpper

combine

permutation

toString

toString

varsToString

toScript

toScript

equals

hashCode

abs

negate

sum

subtract

subst

signum

totalDeg

maxDeg

weightDeg

lcm

gcd

dependencyOnVariables

multipleOf

compareTo

EVILCP

EVILCP

EVIGLC

EVIGLC

EVRILCP

EVRILCP

EVRIGLC

EVRIGLC

EVITDEGLC

EVRLITDEGC

EVIWLC

EVIWLC

invLexCompareTo

invLexCompareTo

invGradCompareTo

invGradCompareTo

revInvLexCompareTo

revInvLexCompareTo

revInvGradCompareTo

revInvGradCompareTo

invTdegCompareTo

revLexInvTdegCompareTo

invWeightCompareTo

invWeightCompareTo

valueOf

varIndex

indexVar