Xpress operators
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Returns the absolute value of a given expression
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Returns the arccosine of a given expression.
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Returns a logical AND of two or more binary variables or expressions.
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Returns the arcsine of a given expression.
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Returns the arctangent of a given expression.
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Returns the cosine of a given expression.
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Alternative dot-product operator for an arbitrary number of NumPy single- or multi-dimensional arrays. Following the convention for dot-product, the result of Dot for a list of k objects T1, T2, ..., Tk of d1, d2, ..., dk dimensions is an object of d1 + d2 + ... + dk - 2(k-1) dimensions. For each i-th factor in [1,2,...,k-1], the arity of the last dimension of Ti must match the arity of the penultimate dimension of Ti+1 (or its arity if Ti+1 is single-dimensional, i.e., a vector).
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Returns the error function with an expression as its argument.
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Returns the complementary error function with an expression as its argument.
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Returns the exponential of a given expression.
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Returns the natural logarithm of a given expression.
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Returns the base-10 logarithm of a given expression.
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Returns the maximum of one or more expressions.
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Returns the minimum of one or more expressions.
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Returns a logical OR of two or more binary variables or expressions.
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Returns the product of a sequence of one or more expressions.
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Returns a piecewise linear function over a variable.
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Returns the sign of an expression: 1 if positive, -1 if negative, 0 if zero.
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Returns the sine of a given expression.
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Returns the square root of an expression.
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Alternative sum operator for an arbitrary number of objects created by a list, tuple, generator, NumPy array, dictionary, etc.
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Returns the tangent of a given expression.
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Creates an expression that is computed by means of a user-specified function. The user function can be defined to either provide or not provide the value of all derivatives w.r.t. the variables.
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