newax, axis, axeq, hold, grid, gridhold
def myfun(x):
return x[0,:]**2 +x[1,:]**3
domain = [0, 1,0, 2]
resolution = [20, 30]
q = dom2vec(domain, resolution)
f = myfun(q)
ax, fig = newax(1, dim=[3])
surf(q, f, resolution, ax=ax)
axis(ax, domain +[0, 10])
axeq(ax)
"""manage multiple axes"""
ax2, fig = newax(1, dim=[3])
surf(q, -f, resolution, ax=ax2)
axs =[ax, ax2]
hold(axs)
grid(axs)
# shorthand for above
gridhold(ax)
# uncomment these if outside ipython
A = np.array([[1, -2, 3],
[2, 1, 4],
[9, 3, -3] ])
v = A.dot(x)
#quiver(x, v)
"""
tex 2d
"""
ax, fig = newax(2, dim=[2, 3])
x = np.array([[1, 1]]).transpose()
text(x, 'hehe 2d', ax[0])
limits = [0.5, 2, 0.5, 1.5]
ax[0].axis(limits)
"""
text 3d
"""
x = np.array([[1, 1, 2]]).transpose()
text(x, 'hehe 3d', ax[1])
limits = [0, 2, 0, 2, 1, 3]
axis(ax[1], limits)
# uncomment these if outside ipython
#from matplotlib import pylab as plt
#plt.show(block=True)