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MatrixPlot—Wolfram Language Documentation

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• See Also
  • ArrayPlot
  • ListDensityPlot
  • ReliefPlot
  • Grid
• Related Guides
  • Data Visualization
  • GPU Computing
  • Matrices and Linear Algebra
  • GPU Computing with NVIDIA
  • GPU Computing with Apple
  • Graphs and Matrices

MatrixPlot[m]

generates a plot that gives a visual representation of the values of elements in a matrix.

Plot a matrix as an array of colors:

Plot a matrix using only black and white:

Plot the structure of dense matrices:

Plot the structure of sparse matrices:

Plot a dense matrix:

Plot a sparse matrix:

Plot a nonrectangular "matrix", with missing entries transparent:

Negative entries are shown in cool colors, positive entries in warm colors, and zeros in white:

Entries near zero are shown in a shade of gray; entries very close to zero may be shown in white:

Complex numbers are shown based on their real parts:

None is interpreted as a missing value and displayed using transparency:

Symbolic values other than None are shown in dark red:

Colors are shown darker for very sparse matrices to make entries more visible:

Show a matrix with irrational and arbitrary-precision entries:

Add labels:

Give explicit color directives to specify colors for individual cells:

Use a named color gradient:

Use a black-and-white color function to highlight the sparse structure of a matrix:

Use a custom color function with blue colors for negative values and red colors for positive values:

Use ColorRules to color different values:

Use both ColorRules and ColorFunction to color elements, giving priority to ColorRules:

Use Mesh and MeshStyle to provide an overlay mesh:

Use a plot theme:

Make all cells square:

Use a different aspect ratio:

Background is normally visible only around the edges:

The background "shows through" whenever an explicit entry is None:

By default, the clipped values are colored vibrant red and blue:

Use explicit colors for the clipped values:

Use None to indicate no style, showing the background in those cells:

Use an explicit color function:

Use a pure function as the color function:

Use a named color gradient from ColorData:

If the color function is undefined for some value, then a dark red is substituted:

In this case, the color is defined for all the values:

For complex matrices, the real part is used for the color function:

Specify color rules for explicit values or patterns:

Implement a "default color" by adding a rule for _:

The array can contain symbolic values:

Use any patterns in ColorRules:

Rules are used in the order given:

ColorRules can be used together with ColorFunction and has higher priority:

Reverse the order of columns:

By default, automatic methods are used to downsample large and/or sparse matrices:

Without downsampling, the entries are less visible:

Explicitly set downsampling values for MaxPlotPoints:

The visual appearance in the resulting plot is also affected by the choice of ColorFunction:

Insert mesh lines between all cells:

Insert 19 row mesh lines and 1 column mesh line:

Use a sequence of colors for the mesh lines:

Plot all elements:

Plot only elements with values from 0 to 1; clip the rest:

The first two entries in PlotRange specify the range of rows and columns to include:

Use a theme with simple ticks and grid lines in a bright color scheme:

Turn off the grid lines:

Plot a sparse matrix:

Zoom in to the top-left diagonal block:

Plot the imaginary parts of a discrete Fourier transform matrix:

Plot a table of values of five sine waves in random directions:

MatrixPlot colors negative entries with cool colors and positive entries with warm colors:

ArrayPlot uses gray scale:

MatrixPlot rescales the matrix entries to differentiate values over a wide range:

Without rescaling, fewer elements can be differentiated:

Use ReliefPlot for medical and geographic data:

Use ListDensityPlot for structured or unstructured data sampled from continuous densities:

Use ArrayPlot3D for 3D arrays of data:

Use GraphPlot for visualizing adjacency matrices:

Using MaxPlotPoints may result in artifacts not actually present in the original data:

With a small MaxPlotPoints option value, all entries become nonzero:

Entries very close to zero may be treated as zero:

Plot the Sin function at integer points:

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