gr33n7007h

Create Animated GIF

convert -delay 20 -loop 0 *.png output.gif

Concatenate Images Vertically

montage *.png -mode concatenate -tile 1x output.png

Convert to RGB Bitmap

gr33n7007h

#!/usr/local/bin/lua
usage_str = [[
Usage:
  lgraph 'function of x'

Example:
  lgraph 'x^2'
]]

Grapher = {xmin = -1, xmax = 1, ymin = -1, ymax = 1, ncols = 160, nrows = 50}