def fill_below_intersection(x, S, Z):
"""
fill the region below the intersection of S and Z
"""
#find the intersection point
ind = nx.nonzero(nx.absolute(S - Z) == min(nx.absolute(S - Z)))[0]
# compute a new curve which we will fill below
Y = nx.zeros(S.shape, typecode=nx.Float)
Y[:ind] = S[:ind] # Y is S up to the intersection
Y[ind:] = Z[ind:] # and Z beyond it
p.fill(x, Y, facecolor='blue', alpha=0.5)
def fill_below_intersection(x, S, Z):
"""
fill the region below the intersection of S and Z
"""
#find the intersection point
ind = nx.nonzero( nx.absolute(S-Z)==min(nx.absolute(S-Z)))[0]
# compute a new curve which we will fill below
Y = nx.zeros(S.shape, typecode=nx.Float)
Y[:ind] = S[:ind] # Y is S up to the intersection
Y[ind:] = Z[ind:] # and Z beyond it
p.fill(x, Y, facecolor='blue', alpha=0.5)
def _make_verts(self, U, V):
uv = U+V*1j
uv = nx.ravel(nx.ma.filled(uv, nx.nan))
a = nx.absolute(uv)
if self.scale is None:
sn = max(10, math.sqrt(self.N))
scale = 1.8 * nx.average(a) * sn # crude auto-scaling
scale = scale/self.span
self.scale = scale
length = a/(self.scale*self.width)
X, Y = self._h_arrows(length)
xy = (X+Y*1j) * nx.exp(1j*nx.angle(uv[...,nx.newaxis]))*self.width
xy = xy[:,:,nx.newaxis]
XY = nx.concatenate((xy.real, xy.imag), axis=2)
return XY
def f(t):
s1 = sin(2 * pi * t)
e1 = exp(-t)
return absolute(multiply(s1, e1)) + .05
def f(t):
s1 = sin(2*pi*t)
e1 = exp(-t)
return absolute(multiply(s1,e1))+.05
