{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "in-0",
   "metadata": {},
   "source": "# numbl in the browser\n\nThis is **numbl** running as a JupyterLite kernel: MATLAB-syntax numerical\ncomputing that executes entirely in your browser tab. There is no server, no\nkernel process, and nothing to install.\n\nRun each cell with **Shift+Enter**. Variables persist from one cell to the\nnext, just like a MATLAB session."
  },
  {
   "cell_type": "markdown",
   "id": "in-1",
   "metadata": {},
   "source": "## Compute with matrices"
  },
  {
   "cell_type": "code",
   "id": "in-2",
   "metadata": {},
   "execution_count": null,
   "outputs": [],
   "source": "A = magic(4)\nb = (1:4)';\nx = A \\ b;\nfprintf('solved a 4x4 system, residual = %.2e\\n', norm(A * x - b));"
  },
  {
   "cell_type": "markdown",
   "id": "in-3",
   "metadata": {},
   "source": "## Plot, right in the notebook"
  },
  {
   "cell_type": "code",
   "id": "in-4",
   "metadata": {},
   "execution_count": null,
   "outputs": [],
   "source": "x = linspace(0, 2 * pi, 400);\nplot(x, sin(x), 'b-');\nhold on;\nplot(x, sin(2 * x), 'r--');\nhold off;\nlegend('sin(x)', 'sin(2x)');\ntitle('plotting works client-side');\nxlabel('x'); ylabel('y');"
  },
  {
   "cell_type": "markdown",
   "id": "in-5",
   "metadata": {},
   "source": "## 3-D figures are interactive (drag to rotate)"
  },
  {
   "cell_type": "code",
   "id": "in-6",
   "metadata": {},
   "execution_count": null,
   "outputs": [],
   "source": "surf(peaks(40));\ntitle('peaks');"
  },
  {
   "cell_type": "markdown",
   "id": "in-7",
   "metadata": {},
   "source": "## What's in this demo\n\nA guided tour of the language:\n\n1. [Data types and operators](./02-data-types-and-operators.ipynb)\n2. [Matrices and indexing](./03-matrices-and-indexing.ipynb)\n3. [Control flow and functions](./04-control-flow-and-functions.ipynb)\n4. [Linear algebra](./05-linear-algebra.ipynb)\n5. [Data structures and strings](./06-data-structures-and-strings.ipynb)\n6. [Numerical methods](./07-numerical-methods.ipynb)\n7. [Plotting gallery](./08-plotting.ipynb)\n\nAdvanced MATLAB features:\n\n8. [Classes and object-oriented programming](./09-classes-and-oop.ipynb)\n9. [Namespaces and packages](./10-namespaces-and-packages.ipynb)\n\nAnd finally:\n\n10. [Installing packages with mip](./11-mip-packages.ipynb)"
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "numbl (MATLAB syntax)",
   "language": "numbl",
   "name": "numbl"
  },
  "language_info": {
   "codemirror_mode": "octave",
   "file_extension": ".m",
   "mimetype": "text/x-octave",
   "name": "numbl",
   "nbconvert_exporter": "script",
   "pygments_lexer": "matlab"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}