{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "pl-0",
   "metadata": {},
   "source": "# Plotting gallery\n\nEach cell renders its figures into the cell output. 3-D figures are\ninteractive (drag to rotate)."
  },
  {
   "cell_type": "markdown",
   "id": "pl-1",
   "metadata": {},
   "source": "## Line plots with styles and a legend"
  },
  {
   "cell_type": "code",
   "id": "pl-2",
   "metadata": {},
   "execution_count": null,
   "outputs": [],
   "source": "x = linspace(0, 2 * pi, 200);\nplot(x, sin(x), 'b-');\nhold on;\nplot(x, cos(x), 'r--');\nhold off;\nlegend('sin', 'cos');\nxlabel('x'); ylabel('y'); title('sine and cosine');"
  },
  {
   "cell_type": "markdown",
   "id": "pl-3",
   "metadata": {},
   "source": "## Scatter plots"
  },
  {
   "cell_type": "code",
   "id": "pl-4",
   "metadata": {},
   "execution_count": null,
   "outputs": [],
   "source": "rng(0);\nn = 80;\nxs = randn(1, n);\nys = xs + 0.4 * randn(1, n);\nscatter(xs, ys);\nxlabel('x'); ylabel('y'); title('correlated samples');"
  },
  {
   "cell_type": "markdown",
   "id": "pl-5",
   "metadata": {},
   "source": "## Bar charts and histograms"
  },
  {
   "cell_type": "code",
   "id": "pl-6",
   "metadata": {},
   "execution_count": null,
   "outputs": [],
   "source": "bar([5 3 8 2 7]);\ntitle('bar chart');"
  },
  {
   "cell_type": "code",
   "id": "pl-7",
   "metadata": {},
   "execution_count": null,
   "outputs": [],
   "source": "rng(0);\nhistogram(randn(1, 1000));\ntitle('1000 normal samples');"
  },
  {
   "cell_type": "markdown",
   "id": "pl-8",
   "metadata": {},
   "source": "## Surfaces and contours"
  },
  {
   "cell_type": "code",
   "id": "pl-9",
   "metadata": {},
   "execution_count": null,
   "outputs": [],
   "source": "[X, Y] = meshgrid(linspace(-3, 3, 40));\nZ = X .* exp(-X.^2 - Y.^2);\nsurf(Z);\ntitle('a surface (drag to rotate)');"
  },
  {
   "cell_type": "code",
   "id": "pl-10",
   "metadata": {},
   "execution_count": null,
   "outputs": [],
   "source": "contour(peaks(60));\ntitle('contours of peaks');"
  },
  {
   "cell_type": "markdown",
   "id": "pl-11",
   "metadata": {},
   "source": "## Images and colorbars"
  },
  {
   "cell_type": "code",
   "id": "pl-12",
   "metadata": {},
   "execution_count": null,
   "outputs": [],
   "source": "imagesc(magic(8));\ncolorbar;\ntitle('magic(8)');"
  },
  {
   "cell_type": "markdown",
   "id": "pl-13",
   "metadata": {},
   "source": "## Subplots"
  },
  {
   "cell_type": "code",
   "id": "pl-14",
   "metadata": {},
   "execution_count": null,
   "outputs": [],
   "source": "x = linspace(0, 2 * pi, 100);\nsubplot(2, 2, 1); plot(x, sin(x)); title('sin');\nsubplot(2, 2, 2); plot(x, cos(x)); title('cos');\nsubplot(2, 2, 3); plot(x, sin(2 * x)); title('sin(2x)');\nsubplot(2, 2, 4); plot(x, sin(x) .* cos(x)); title('sin*cos');"
  }
 ],
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   "codemirror_mode": "octave",
   "file_extension": ".m",
   "mimetype": "text/x-octave",
   "name": "numbl",
   "nbconvert_exporter": "script",
   "pygments_lexer": "matlab"
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