Package Exports

sobol

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Readme

sobol

Sobol quasi random sample generator. Sobol sequences are an example of quasi-random low-discrepancy sequences. See Wikipedia.

This generator handles up to 21201 dimensions.

Install

npm install sobol

Usage

Example: Estimate π by calculation sobol vectors inside and outside the unit circle.

const { SobolSequenceGenerator } = require("sobol");

var sobol = new SobolSequenceGenerator(2); // Dimension 2
sobol.nextVector(); // Skip first

var nbIn = 0;
var nbTot = 0;
for (var i = 0; i < 10000; i++) {
    var x = sobol.nextVector();
    if (x[0] * x[0] + x[1] * x[1] < 1) nbIn++;
    nbTot++;
}
console.log((4 * nbIn) / nbTot); // Should output 3.142