31 lines
520 B
Python
Executable file
31 lines
520 B
Python
Executable file
#!/usr/bin/env python
|
|
"""
|
|
Example: simple line plots with NaNs inserted.
|
|
"""
|
|
from pylab import *
|
|
import numpy as np
|
|
|
|
t = arange(0.0, 1.0+0.01, 0.01)
|
|
s = cos(2*2*pi*t)
|
|
t[41:60] = NaN
|
|
#t[50:60] = np.inf
|
|
|
|
subplot(2,1,1)
|
|
plot(t, s, '-', lw=2)
|
|
|
|
xlabel('time (s)')
|
|
ylabel('voltage (mV)')
|
|
title('A sine wave with a gap of NaNs between 0.4 and 0.6')
|
|
grid(True)
|
|
|
|
subplot(2,1,2)
|
|
t[0] = NaN
|
|
t[-1] = NaN
|
|
plot(t, s, '-', lw=2)
|
|
title('Also with NaN in first and last point')
|
|
|
|
xlabel('time (s)')
|
|
ylabel('more nans')
|
|
grid(True)
|
|
|
|
show()
|