This is documentation for Mathematica 5.2, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

Handling Data

Mathematica lets you import data in any format, then manipulate it using powerful and flexible functions.

Click here to change to the directory that contains the data files used in this section.

This reads image data from a file.

This visualizes the data as a density plot.

Here the data is successively shifted to the right.

This applies an image filter to the data.

Here is a contour plot of the data.

This is the distribution of gray levels in the data.

Here is a 3D plot based on the data.

Mathematica can work with data of any kind -- not just numbers.

Click here to change to the directory that contains the data files used in this section.

This reads in all the words in a large English dictionary.

This selects words that are palindromes with length more than 4.

This is a plot of the number of words of each length.

Mathematica also has full support for sparse arrays.

This represents a million-by-million identity matrix.