def bars(pairs, dim, threshold):
pairs = sorted(pairs)
births = persistence.births(pairs, dim, threshold)
deaths = persistence.deaths(pairs, dim, threshold)
indexes = range(len(births))
lifetimes = list(deaths[i] - births[i] for i in indexes)
return plt.bar(indexes, lifetimes, 1.0, births)
def deathsVersusBirthsHistogram(pairs, dim, threshold, nbins=100):
pairs = [ p for p in pairs if p[1] < infinity ]
births = persistence.births(pairs, dim, threshold)
deaths = persistence.deaths(pairs, dim, threshold)
axmin = min([min(births), min(deaths),0])
axmax = max([max(births), max(deaths), 0])
return plt.hist2d(births,deaths,[nbins,nbins],[[axmin,axmax],[axmin,axmax]],False,None,1,norm=col.LogNorm())
def weightsVersusPersistence(pairs, dim, threshold):
births = persistence.births(pairs, dim, threshold)
deaths = persistence.deaths(pairs, dim, threshold)
spans = tuple(d - b for (b, d) in zip(births, deaths))
weights = persistence.weights(pairs, dim, threshold)
if max(weights) > 0:
return plt.semilogy(spans, weights, '.')
else:
return plt.plot(spans, weights, '.')
def weightsVersusPersistence(pairs, dim, threshold):
births = persistence.births(pairs, dim, threshold)
deaths = persistence.deaths(pairs, dim, threshold)
spans = tuple(d - b for (b, d) in zip(births, deaths))
weights = persistence.weights(pairs, dim, threshold)
if max(weights) > 0:
return plt.semilogy(spans, weights, '.')
else:
return plt.plot(spans, weights, '.')
def deathsVersusBirthsHistogram(pairs, dim, threshold, nbins=100):
pairs = [p for p in pairs if p[1] < infinity]
births = persistence.births(pairs, dim, threshold)
deaths = persistence.deaths(pairs, dim, threshold)
axmin = min([min(births), min(deaths), 0])
axmax = max([max(births), max(deaths), 0])
return plt.hist2d(births,
deaths, [nbins, nbins], [[axmin, axmax], [axmin, axmax]],
False,
None,
1,
norm=col.LogNorm())
def deathsVersusBirths(pairs, dim, threshold):
births = persistence.births(pairs, dim, threshold)
deaths = persistence.deaths(pairs, dim, threshold)
return plt.plot(births, deaths, '.')
def deathsVersusBirths(pairs, dim, threshold):
births = persistence.births(pairs, dim, threshold)
deaths = persistence.deaths(pairs, dim, threshold)
return plt.plot(births, deaths, '.')
