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Just another update

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Ingy döt Net 2015-02-20 00:35:01 -05:00
parent a25938f123
commit 00a190b0a6
6591 changed files with 94363 additions and 23227 deletions
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Task/Dot-product/JavaScript/dot-product.js → Task/Dot-product/JavaScript/dot-product-1.js
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Task/Dot-product/JavaScript/dot-product-2.js Normal file
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@ -0,0 +1,10 @@
function dotp(x,y) {
function dotp_sum(a,b) { return a + b; }
function dotp_times(a,i) { return x[i] * y[i]; }
if (x.length != y.length)
throw "can't find dot product: arrays have different lengths";
return x.map(dotp_times).reduce(dotp_sum,0);
}
dotp([1,3,-5],[4,-2,-1]); // ==> 3
dotp([1,3,-5],[4,-2,-1,0]); // ==> exception