Internal Functions
Xpress NonLinear provides a set of standard functions for use in formulae. Many are standard mathematical functions; there are a few which are intended for specialized applications.
The following is a list of all the Xpress NonLinear internal functions:
| ABS |
Absolute value
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| ARCCOS |
Arc cosine trigonometric function
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| ARCSIN |
Arc sine trigonometric function
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| ARCTAN |
Arc tangent trigonometric function
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| COS |
Cosine trigonometric function
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| ERF |
The error function
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| ERFC |
The complementary error function
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| EXP |
Exponential function (e raised to the power)
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| LN |
Natural logarithm
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| LOG, LOG10 |
Logarithm to base 10
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| MAX |
Maximum value of two or more expressions
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| MIN |
Minimum value of two or more expressions
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| PWL |
The piecewise linear function
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| SIGN |
The sign function
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| SIN |
Sine trigonometric function
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| SQRT |
Square root
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| TAN |
Tangent trigonometric function
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