author | Puneeth Chaganti <punchagan@fossee.in> |
Fri, 27 May 2011 14:24:59 +0530 | |
changeset 0 | 0efde00f9229 |
permissions | -rw-r--r-- |
#!/usr/bin/python # 4.3 import pylab as pl z = pl.array([[0],[5./12]]) p = pl.array([[1./2],[1./3]]) def zplane(z, p): pl.figure(figsize=(8,8)) x = pl.linspace(-1.5, 1.5) pl.plot(pl.zeros_like(x), x, 'b.', x, pl.zeros_like(x), 'b.', markersize=2) x = pl.linspace(0, 2*pl.pi, 100) pl.plot(pl.cos(x), pl.sin(x), 'b.', markersize=2) pl.plot(z, pl.zeros_like(z), 'ro', p, pl.zeros_like(p), 'rx', markersize=8) pl.xlabel('Real part') pl.ylabel('Imaginary part') zplane(z, p) pl.show()