<identity-matrix> ( n -- matrix )
Matrix operations

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Vocabulary
math.matrices

Inputs

n	an integer

Outputs

matrix

a matrix

Word description
Creates an identity matrix of size n x n, where the diagonal values are all ones.

Examples

USING: math.matrices prettyprint ; 4 <identity-matrix> .
{ { 1 0 0 0 } { 0 1 0 0 } { 0 0 1 0 } { 0 0 0 1 } }

Definition

USING: sequences ;

IN: math.matrices

: <identity-matrix> ( n -- matrix )
    1 <repetition> <diagonal-matrix> ; inline