Maple V bilingual - The math package: Types

checks for an irrational value.

> type(sqrt(2), irrational);

true

checks for a complex value that is not a real value.

> type(sqrt(2), cmplx);

false

> type(sqrt(-1), cmplx);

true

checks whether an expression is of type realcons, type name or type string.

> type(sqrt(2), elemental);

true

> type(1/x, elemental);

false

checks for a mathematical function.

> type(ln(x), mathfn);

true

> type(sqrt(x), function);

false

> type(sqrt(x), mathfn);

true

Author: Alexander F. Walz, alexander.f.walz@t-online.de
Original file location: http://www.math.utsa.edu/mirrors/maple/mplmtyp.htm