first-sub-matrix ( matrix -- first-row seq )

Vocabulary

math.matrices.laplace.private

Inputs

matrix

an object

Outputs

first-row	an object
seq	an object

Definition

USING: kernel sequences ;

IN: math.matrices.laplace.private

: first-sub-matrix ( matrix -- first-row seq )
    [ unclip-slice swap ] [ length <iota> ] bi
    [ [ <missing> ] curry map ] with map ;