How to use the subset function from mathjs

x3dom_encoder.js

GitHub: framestart/3drepo.io

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tmpMat = tmpMat.transpose();

var right = mathjs.subset(tmpMat, mathjs.index(0,[0,3]))._data[0];
right = normalize(right);

var up = mathjs.subset(tmpMat, mathjs.index(1,[0,3]))._data[0];
up = normalize(up);

var forward = mathjs.subset(tmpMat, mathjs.index(2,[0,3]))._data[0];
forward = normalize(forward);

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gltf.controller.js

GitHub: MediaComem/smapshot-api

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// Insert the computed coordinates in the collada template file
// ------------------------------------------------------------
// create the coordinate string for collada
scaledXYZ = math.transpose(scaledXYZ)
let coordString = "";
const dim0 = math.subset(math.size(scaledXYZ), math.index([0]));
const dim1 = math.subset(math.size(scaledXYZ), math.index([1]));
for (let i = 0; i < dim1; i += 1) {
  for (let j = 0; j < dim0; j += 1) {
    const str = math.subset(scaledXYZ, math.index(j, i)).toFixed(1); // XYZCamOff

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_server.js

GitHub: coder0987/Taroky

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    }


    this.evaluate = (inputs, output) => {
        let currentRow = math.add(math.multiply(inputs, this.inputWeights), this.layersBias[0]);
        for (let i=0; i<20; i++) {
            currentRow = sigmoidMatrix(math.add(math.multiply(currentRow, math.subset(this.layersWeights, math.index(i)), math.subset(this.layersBias, math.index(i+1)))));
        }
        return sigmoid(math.add(math.multiply(currentRow, math.subset(outputWeights, math.index(output))), math.subset(outputBias, math.index(output))));
    };
}

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EquationBalanceFunc.js

GitHub: Vish-04/Chemistry-Calculator

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const A = math.subset(matrix, math.index(math.range(0, m), math.range(0, n - 1)));
console.log("A", A);


const b = math.subset(matrix, math.index(math.range(0, m), n - 1));


console.log("B");
console.log(b);

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cramer.js

GitHub: Phochara/Numerpro

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var b = math.matrix(B);
for (let i = 0; i < a.size()[0]; i++) {
  data["x"].push(
    math.round(
      math.det(
        math.subset(
          a,
          math.index(math.range(0, a.size()[0]), i),
          math.subset(b, math.index(math.range(0, a.size()[0]), 0))
        )

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util.js

GitHub: mljs/optimization

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 * @param {Number|BigNumber} number - Maximum of the vector.
 * @return {Number} index - Index of the first maximum.
 *
 * */
getIndexRow : function(vector, number) {
    var size = math.subset(math.size(vector), math.index(0));
    for(var index = 0; index < size; ++index) {
        var value = math.subset(vector, math.index(index));
        if( math.equal(value, number) ) {
            return index;

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optimization.js

GitHub: mljs/optimization

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* @param {Vector} normalVector - Vector transform.
*
* */
_toNormalVector : function(vect) {
    var normalVector = [];
    var size = math.subset(math.size(vect), math.index(1));
    for (var i = 0; i < size; ++i) {
        normalVector.push(math.subset(vect, math.index(0, i)));
    }
    return normalVector;

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