lhs != rhs or lhs != rhs returns False if lhs and rhs are identical.

LinkClose[link] closes an open MathLink connection.

Reduce[expr, vars] reduces the statement expr by solving equations or inequalities for vars and eliminating quantifiers. Reduce[expr, vars, dom] does the reduction over the ...

mprep options template.tm preprocesses the MathLink template file template.tm, and generates C code that contains all the necessary MathLink code to call C functions from ...

Diagonal[m] gives the list of elements on the leading diagonal of the matrix m.Diagonal[m, k] gives the elements on the k\[Null]^th diagonal of m.

Building on Mathematica's extensive data manipulation capabilities, Mathematica 8 adds a wide range of new import and export features, advanced image processing algorithms, ...

Testing for numeric quantities. Pi is a symbol, so Pi+3 is not explicitly a number. It does however have a numerical value.

QuantilePlot[list] generates a plot of quantiles of list against the quantiles of a normal distribution.QuantilePlot[dist] generates a plot of quantiles of the distribution ...

BooleanTable[bf] gives a list of truth values for all possible combinations of variable values supplied to the Boolean function bf.BooleanTable[expr, {a_1, a_2, ...}] gives a ...

SingularValueDecomposition[m] gives the singular value decomposition for a numerical matrix m as a list of matrices {u, w, v}, where w is a diagonal matrix and m can be ...