row ( n matrix -- row ) - Factor Documentation

row ( n matrix -- row )
Matrix operations
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Vocabulary
math .matrices

Inputs
n an integer
matrix a matrix


Outputs
row a sequence


Word description
Get the nth row of the matrix.

Notes
Like most Factor sequences, indexing is 0-based. The first row is given by m 0 row.

Examples
USING: kernel math.matrices prettyprint ; { { 1 2 } { 3 4 } } 1 swap row .
{ 3 4 }


Definition
USING: sequences ;

IN: math.matrices

: row ( n matrix -- row ) nth ; inline

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