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:
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Absolute value
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Arc cosine trigonometric function
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Arc sine trigonometric function
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Arc tangent trigonometric function
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Cosine trigonometric function
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The error function
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The complementary error function
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Exponential function (e raised to the power)
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Natural logarithm
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Logarithm to base 10
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Maximum value of two or more expressions
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Minimum value of two or more expressions
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The piecewise linear function
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The sign function
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Sine trigonometric function
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Square root
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Tangent trigonometric function
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