I want to plot the function A(x,y) = 28x + 28y - 2x^2 - 2y^2 - 2xy. To do this I
made the following python script:
import mayavi.mlab as mlab
import numpy as np
def A(x,y):
return 28*x + 28*y - 2*x**2 - 2*y**2 - 2*x*y
x, y = np.mgrid[0:14:100j,0:14:100j]
mlab.surf(x,y,A)
mlab.axes(nb_labels=6)
mlab.outline()
mlab.show()
Since the x and y axis ranges from 0 to 14, and the z-axis from -392 to 131 it
is
hard to see the plot, and to remedy this I added the warp_scale='auto' keyword
argument to the surf() call:
mlab.surf(x,y,A,warp_scale='auto')
But now the labeling along the x,y and z-axis is wrong; i.e. the labels seem to
also have been scaled. With warp_scale='auto' the labels in x and y direction
range from 0 to 99 instead of the correct 0 to 14.
Is there a way to have the labels show the original x, y and z values?
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