How to use the chain function from mathjs

city-trip.js

GitHub: uccser/cs-field-guide

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function getNextPath(cy, cy2, intermediateCities, startingCity, seconds) {
  // if permutations to do
  if (!stopPathFinding) {
    // start timer
    var timer = setTimeout(function() {getNextPath(cy, cy2, intermediateCities, startingCity, seconds);}, 100);
    seconds = Mathjs.chain(seconds).subtract(1).done();
    formatTime(seconds);
    computeAndDisplayNextRoute(cy, cy2, intermediateCities, startingCity);
  }
  if (stopPathFinding && !stoppedMidExecution) {

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chain.js

GitHub: mljs/matrix

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})
.add('numeric', () => {
  numeric.abs(numeric.muleq(numeric.subeq(matrixNum, 5), Math.PI));
})
.add('mathjs', () => {
  math.chain(matrixMath).subtract(5).multiply(Math.PI).abs().done();
})
.on('cycle', (event) => {
  console.log(String(event.target));
})

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file_run_npm.js

GitHub: fukaoi/crystal-nodejs

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math.evaluate('sin(45 deg) ^ 2')     // 0.5
math.evaluate('9 / 3 + 2i')          // 3 + 2i
math.evaluate('det([-1, 2; 3, 1])')  // -7

// chaining
const res = math.chain(3)
    .add(4)
    .multiply(2)
    .done() // 14

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+ 3 other calls in file

README.md?plain=1

GitHub: dispatchframework/nodejs-base-image

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$ cat ./demo.js
```
```javascript
const math = require('mathjs');
module.exports = function (context, payload) {
    return { myField: math.chain(payload.val).add(4).divide(4).done() }
};
```

```bash

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+ 9 other calls in file

Ect-solution.js

GitHub: farisnafiah/ECT-calculator

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  jx.push(_jx_1 - _jx_2);
}

let _bes = q.map(val => BESSEL.besselj(val*h,0));
let bes = maths.chain(q).dotMultiply(h).dotMultiply(_bes).done();
let oros = maths.chain(jx).dotDivide(q).dotDivide(maths.dotPow(bes, 2)).done();

const j2 = maths.complex('i');
var dz = [];

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index.js

GitHub: jly36963/notes

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//---
// Chaining
//---


const basicChain = () => {
  math.chain(3)
    .add(4)
    .subtract(2)
    .done() // 5
}

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math.js

GitHub: JieHaoCai/react-template

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index.js

GitHub: SSDWGG/sop

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function comp(_func, args) {
    for (let i=0; i<args.length; i++) {
        if(!args[i]) args[i] = 0
    }
    let t = $math.chain($math.bignumber(args[0]));
    for (let i=1; i<args.length; i++) {
        t = t[_func]($math.bignumber(args[i]))
    }
    // 防止超过6位使用科学计数法

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hillCipher.js

GitHub: OrghoN/hillCipher

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// });


function adjugate(matrix) {
    var det = math.det(matrix);


    return math.chain(matrix).inv().map(function(val) {
        return (math.round(val * det));
    }).done();


}

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+ 3 other calls in file