nullspace ( matrix -- seq )

Vocabulary

math.matrices.elimination

Inputs

matrix

an object

Outputs

seq

an object

Definition

USING: kernel math.matrices sequences ;

IN: math.matrices.elimination

: nullspace ( matrix -- seq )
    echelon reduced dup empty? [
        dup first length <identity-matrix> [
            [ dup leading drop [ basis-vector ] [ drop ] if* ]
            each
        ] with-matrix flip nonzero-rows
    ] unless ;