SetPrecision[expr, p] yields a version of expr in which all numbers have been set to have precision p.

Sparse representations of matrices are useful because they do not store every element. If one particular value appears very frequently it can be very advantageous to use a ...

MIME types: chemical/x-cif, chemical/x-mmcif 3D molecular model file. Used in cheminformatics applications and on the web for storing and exchanging molecule models. Commonly ...

e_1 && e_2 && ... is the logical AND function. It evaluates its arguments in order, giving False immediately if any of them are False, and True if they are all True.

AtomQ[expr] yields True if expr is an expression which cannot be divided into subexpressions, and yields False otherwise.

e_1 || e_2 || ... is the logical OR function. It evaluates its arguments in order, giving True immediately if any of them are True, and False if they are all False.

SpokenString[expr] gives a string of text corresponding to a spoken representation of the expression expr.

Mathematica provides representation of algebraic numbers as Root objects. A Root object contains the minimal polynomial of the algebraic number and the root number—an integer ...

Within a standard interactive session, you can create "subsessions" or dialogs using the Mathematica command Dialog. Dialogs are often useful if you want to interact with ...

Eigenvalues and eigenvectors. The eigenvalues of a matrix m are the values λ_i for which one can find nonzero vectors v_i such that m.v_i λ_iv_i. The eigenvectors are the ...