docs: improve doctests for ndarray instances in blas/ext/base/ndarray/scusumkbn#11569

kgryte merged 1 commit intostdlib-js:developstdlib-js/stdlib:developfrom

udaykakade25:DoctestBlasExtBaseNdarrayScusumkbnudaykakade25/stdlib:DoctestBlasExtBaseNdarrayScusumkbnCopy head branch name to clipboard