Matrix multiplication: Difference between revisions

Matrix multiplication (view source)

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→‎{{header|Raku}}: last version is not really more concise, rather more functional. + style code tweak

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Revision as of 17:04, 30 December 2023 (view source) PureFox (talk \| contribs) m (→‎{{header\|Wren}}: Minor tidy) ← Older edit		Revision as of 10:40, 31 December 2023 (view source) Grondilu (talk \| contribs) (→‎{{header\|Raku}}: last version is not really more concise, rather more functional. + style code tweak) Newer edit →
Line 5,584: {{works with\|Rakudo\|2022.07-3}} Here is ~~an even~~a more ~~concise~~functional version, expressing the product of two matrices as the cross dot product of the first matrix with the transpose of the second : <syntaxhighlight lang="raku" line>sub infix:<×·>( { [+] @A,^a Z* @B)^b {} sub infix:<×>(@A, @B) { cross(@A, ([Z] @B), with => { &[+·] ~~@^a Z* @^b }~~) .rotor(@B); }</syntaxhighlight>