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Original file (SVG file, nominally 360 × 288 pixels, file size: 85 KB)
Summary
Python/Matplotlib Source Code
#!/usr/bin/env python
"""This generates the graph depicting |sinc(z)|."""
# Author: Ika. 2015-08-13
from matplotlib.pyplot import *
import matplotlib.pyplot as plt
import numpy as np
low = - 7.0
high = 7.0
tic = 0.1
X = np . arange ( low , high , tic )
Z = np . outer ( X , X )
for i in range ( len ( X )):
for j in range ( len ( X )):
x = low + tic * j
y = low + tic * i
if np . abs ( x ) < tic and np . abs ( y ) < tic :
Z [ i ][ j ] = 0.0
else :
Z [ i ][ j ] = np . abs (( np . exp ( 1 j * ( x + 1 j * y )) - np . exp ( - 1 j * ( x + 1 j * y ))) / ( 2 j * ( x + 1 j * y )))
plt . figure ( figsize = ( 4 , 3.2 ))
plt . axes ([ 0.18 , 0.08 , 0.76 , 0.9 ])
plt . imshow ( Z , origin = 'lower' , \
cmap = plt . cm . gist_rainbow , \
extent = ( low , high , low , high ))
plt . colorbar ( shrink = 0.84 )
for a in plt . gca () . get_xticklabels ():
a . set_size ( 10 )
for a in plt . gca () . get_yticklabels ():
a . set_size ( 10 )
plt . savefig ( "sinc_abs.svg" )
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Date/Time Thumbnail Dimensions User Comment
current 08:00, 13 August 2015 360 × 288 (85 KB) IkamusumeFan User created page with UploadWizard
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