nsolvejs/index.js

Solve equations using numerical methods

const utils = require('./utils/utils');
const bestfit = require('./fit/bestfit');
const methodN = require('./lib/methodN');

const defaultOptions = {
  npointsDNumeric: 1000,
  presicion: 0.001,
  nstepsmax: 1000,
  method: 'Newton_Raphson',
};
const nsolveqn = function (g, interval, initialpoint, options = defaultOptions) {
  if (!g) return;

  options.presicion = options.presicion || 0.001;
  options.npointsDNumeric = options.npointsDNumeric || 1000;
  options.nstepsmax = options.nstepsmax || 1000;
  options.method = options.method || 'Newton_Raphson';
  const { method } = options;
  return methodN[method](g, interval, initialpoint, options);
};

nsolveqn.fit = {
  best: bestfit,
};

nsolveqn.calculusN = {
  Newton_Raphson: methodN.Newton_Raphson,
  bisection: methodN.bisection,
  fixedpoint: methodN.fixedpoint,
  regulafalsi: methodN.regulafalsi,
  Newton_Raphson_Higherorder: methodN.Newton_Raphson_Higherorder,
  findroot: require('./lib/findroot'),
  D: require('./lib/derivativeN'),
  D_opt: require('./lib/derivativeNopt'),
};
nsolveqn.utils = utils;
module.exports = nsolveqn;