a = np.array([0.313660827978, 0.365348418405, 0.423733120134,
0.365348418405, 0.439599930621, 0.525083754405,
0.423733120134, 0.525083754405, 0.651536351379]).reshape(3,3)
plt.imshow(a,interpolation='nearest',cmap='bone')
plt.colorbar(shrink=.9)
plt.xticks(())
plt.yticks(())
plt.show()

from mpl_toolkits.mplot3d import Axes3D
fig = plt.figure()
ax = Axes3D(fig)
X = np.arange(-4,4,0.25)
Y = np.arange(-4,4,0.25)
X,Y = np.meshgrid(X,Y)
R = np.sqrt(X**2+Y**2)
Z = np.sin(R)
ax.plot_surface(X,Y,Z,rstride=1,cstride=1,cmap=plt.get_cmap('rainbow'))
plt.show()

ax.contourf(X,Y,Z,zdir='z',offset=-2,cmap='rainbow')
ax.set_zlim(-2,2)
plt.show()

plt.figure()
plt.subplot(2,2,1)
plt.plot([0,1],[0,1])
plt.subplot(2,2,2)
plt.plot([0,1],[0,1])
plt.subplot(2,2,3)
plt.plot([0,1],[0,1])
plt.subplot(2,2,4)
plt.plot([0,1],[0,1])
plt.show()

plt.subplot(2,1,1)
plt.plot([0,1],[0,1])
plt.subplot(2,3,4)
plt.plot([0,1],[0,1])
plt.subplot(2,3,5)
plt.plot([0,1],[0,1])
plt.subplot(2,3,6)
plt.plot([0,1],[0,1])
plt.show()

plt.figure()
ax1 = plt.subplot2grid((3, 3), (0, 0), colspan=3)
ax1.plot([1, 2], [1, 2])
ax1.set_title('ax1_title')
ax2 = plt.subplot2grid((3, 3), (1, 0), colspan=2)
ax3 = plt.subplot2grid((3, 3), (1, 2), rowspan=2)
ax4 = plt.subplot2grid((3, 3), (2, 0))
ax4.scatter([1, 2], [2, 2])
ax4.set_xlabel('ax4_x')
ax4.set_ylabel('ax4_y')
ax5 = plt.subplot2grid((3, 3), (2, 1))
plt.tight_layout()
plt.show()

x = np.arange(0, 10, 0.1)
y1 = 0.05 * x**2
y2 = -1 *y1
fig, ax1 = plt.subplots()
ax2 = ax1.twinx()
ax1.plot(x, y1, 'g-')
ax2.plot(x, y2, 'b--')
ax1.set_xlabel('X data')
ax1.set_ylabel('Y1 data', color='g')
ax2.set_ylabel('Y2 data', color='b')
plt.show()

from matplotlib import animation
fig,ax = plt.subplots()
x = np.arange(0,2*np.pi,0.01)
line, = ax.plot(x,np.sin(x))
def animate(i):
line.set_ydata(np.sin(x+i/10))
return line,
def init():
line.set_ydata(np.sin(x))
return line,
animation = animation.FuncAnimation(fig=fig,func=animate,frames=100,init_func=init,interval=20,blit=False)
plt.show()
