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
|
| ARCCOS |
Arc cosine trigonometric function
|
| ARCSIN |
Arc sine trigonometric function
|
| ARCTAN |
Arc tangent trigonometric function
|
| COS |
Cosine trigonometric function
|
| ERF |
The error function
|
| ERFC |
The complementary error function
|
| EXP |
Exponential function (e raised to the power)
|
| LN |
Natural logarithm
|
| LOG, LOG10 |
Logarithm to base 10
|
| MAX |
Maximum value of two or more expressions
|
| MIN |
Minimum value of two or more expressions
|
| PWL |
The piecewise linear function
|
| SIGN |
The sign function
|
| SIN |
Sine trigonometric function
|
| SQRT |
Square root
|
| TAN |
Tangent trigonometric function
|
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