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ghalimi/XNPV.js

Created January 30, 2013 02:15
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XNPV Function
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XNPV.js
// Copyright (c) 2012 Sutoiku, Inc. (MIT License)
function XNPV(rate, values, dates) {
var result = 0;
for (var i = 0; i < values.length; i++) {
result += values[i] / Math.pow(1 + rate, moment(dates[i]).diff(moment(dates[0]), 'days') / 365);
}
return result;
}
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