mabs ( m -- m' )

Vocabulary

math.matrices

Inputs

m

a matrix

Outputs

m'

a matrix

Word description

Compute the absolute value ( abs ) of each element in the matrix.

Notes

•	This word is the companion variant of mneg.
•	This word is intended for use with "flat" (2-dimensional) matrices.
•	This word assumes that elements of the input matrix are compatible with the following words: abs ( x -- y )

Examples

USING: math.matrices prettyprint ; { { -5 -9 } { -15 17 } } mabs .
{ { 5 9 } { 15 17 } }

Definition

USING: math.vectors sequences ;

IN: math.matrices

: mabs ( m -- m' ) [ vabs ] map ;