RosettaCodeData/Task/Dot-product/PowerShell/dot-product.psh

function dotproduct( $a, $b) {
    $a | foreach -Begin {$i = $res = 0} -Process { $res += $_*$b[$i++] } -End{$res}
}
dotproduct (1..2) (1..2)
dotproduct (1..10) (11..20)
Another update from ingydotnet^djgoku 2015-11-18 06:14:39 +00:00			`function dotproduct( $a, $b) {`
2016 Update 2016-12-05 22:15:40 +01:00			`$a \| foreach -Begin {$i = $res = 0} -Process { $res += $_*$b[$i++] } -End{$res}`
Another update from ingydotnet^djgoku 2015-11-18 06:14:39 +00:00			`}`
			`dotproduct (1..2) (1..2)`
			`dotproduct (1..10) (11..20)`