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The Maxima on-line user's manual

Algebra Calculator

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Signum

Function: signum (<x>) For numeric <x>, returns 0 if <x> is 0, otherwise returns -1 or +1 as <x> is less than or greater than 0, respectively.

signum(0.56);

If <x> is not numeric then a simplified but equivalent form is returned. For example, signum(-x) gives -signum(x).

(%o1)                                true
(%i2) 

Related Examples

signum

signum(-0.0006);

Calculate

signum

signum(1);

Calculate

signum

signum(4);

Calculate

signum

signum(-4);

Calculate

signum

signum(3.2);

Calculate

signum

a:signum(1);

Calculate

signum

signum(a*b+ a * (1-b));

Calculate

signum

signum(17);

Calculate

signum

signum(-3);

Calculate

signum

signum(-3.2);

Calculate