/usr/share/freemat/help/text/imwrite.mdc is in freemat-help 4.0-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | IMWRITE IMWRITE Write Matrix to Image File
Usage
Write the image data from the matrix into a given file. Note that
FreeMat's support for imwrite is not complete.
You can write images in the jpg,png,xpm,ppm and some other formats.
The syntax for its use is
imwrite(A, filename)
imwrite(A, map, filename)
imwrite(A, map, filename, 'Alpha', alpha)
or Octave-style syntax:
imwrite(filename, A)
imwrite(filename, A, map)
imwrite(filename, A, map, alpha)
where filename is the name of the file to write to. The input array
A contains the image data (2D for gray or indexed, and 3D for color).
If A is an integer array (int8, uint8, int16, uint16, int32, uint32),
the values of its elements should be within 0-255. If A is a
floating-point array (float or double), the value of its elements should
be in the range [0,1]. map contains the colormap information
(for indexed images), and alpha the alphamap (transparency).
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