File:Signumplot.png
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#!/usr/bin/python
import numpy as np
import matplotlib.pyplot as plt
from mpmath import *
from pylab import rcParams
rcParams['figure.figsize'] = 10, 10
x1=np.arange(-4,-0.05,0.01);
x2=np.arange(0.05,4,0.01);
def g1(x):
return -1
def g2(x):
return 1
f1=np.vectorize(g1)
f2=np.vectorize(g2)
y1=f1(x1)
y2=f2(x2)
fig, ax = plt.subplots()
plt.xlabel(r'$x$')
plt.ylabel(r'$\mathrm{sgn}(x)$')
plt.plot(x1,y1,linewidth=2,color='Black')
plt.scatter([0],[0],color='Black')
plt.scatter([0],[1],facecolors='none',edgecolors='Black')
plt.scatter([0],[-1],facecolors='none',edgecolors='Black')
plt.plot(x2,y2,linewidth=2,color='Black')
plt.xlim(-4,4)
plt.savefig('signumplot.png',bbox_inches='tight',pad_inches=0.15)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:51, 14 December 2017 | | 885 × 846 (16 KB) | Tom (talk | contribs) | <pre> #!/usr/bin/python import numpy as np import matplotlib.pyplot as plt from mpmath import * from pylab import rcParams rcParams['figure.figsize'] = 10, 10 x1=np.arange(-4,-0.05,0.01); x2=np.arange(0.05,4,0.01); def g1(x): return -1 def g2(x):... |
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