mauriciopoppe / function-plot

A 2d function plotter for the web

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function-plot is a powerful library built on top of D3.js whose purpose is to render functions with little configuration, think of it as a little clone of Google's plotting utility: y = x * x

The library currently supports interactive line charts and scatterplots, whenever the graph scale is modified the function is evaluated again with the new bounds, result: infinite graphs!

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Thanks to @liuyao12 for the initial version of the Observable notebook, you can check his own version here https://beta.observablehq.com/@liuyao12/function-plot

Installation

npm install function-plot

Usage

import functionPlot from 'function-plot'
functionPlot({
  target: '#root',
  data: [{
    fn: 'x^2',
    derivative: {
      fn: '2*x',
      updateOnMouseMove: true
    }
  }]
})

Resources

• All examples in the homepage
• API docs
• Want to know how it works? Read the design docs
  • Render pipeline
  • Web workers

License

2015-2023 MIT © Mauricio Poppe