39 lines
675 B
Plaintext
39 lines
675 B
Plaintext
function multarrays($a, $b) {
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$c = @()
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if($a -and $b) {
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$n = $a.count - 1
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$m = $b[0].count - 1
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$c = @(0)*($n+1)
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foreach ($i in 0..$n) {
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$c[$i] = foreach ($j in 0..$m) {
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$sum = 0
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foreach ($k in 0..$n){$sum += $a[$i][$k]*$b[$k][$j]}
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$sum
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}
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}
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}
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$c
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}
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function show($a) {
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if($a) {
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0..($a.count - 1) | foreach{ if($a[$_]){"$($a[$_])"}else{""} }
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}
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}
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$a = @(@(1,2),@(3,4))
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$b = @(@(5,6),@(7,8))
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$c = @(5,6)
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"`$a ="
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show $a
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""
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"`$b ="
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show $b
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""
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"`$c ="
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$c
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""
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"`$a * `$b ="
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show (multarrays $a $b)
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" "
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"`$a * `$c ="
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show (multarrays $a $c)
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