Merge pull request #1312 from ayulockin/patch-1

nicolaskruchten · web-flow · commit cc0ec22647cd · 2019-09-10T14:13:22.000-04:00
Correction required in array slicing for frq &amp; Y
diff --git a/_posts/matplotlib/fft/2015-04-09-mpl-basic-fft.html b/_posts/matplotlib/fft/2015-04-09-mpl-basic-fft.html
@@ -24,10 +24,10 @@
 k = np.arange(n)
 T = n/Fs
 frq = k/T # two sides frequency range
-frq = frq[range(n/2)] # one side frequency range
+frq = frq[range(int(n/2))] # one side frequency range
 
 Y = np.fft.fft(y)/n # fft computing and normalization
-Y = Y[range(n/2)]
+Y = Y[range(int(n/2))]
 
 fig, ax = plt.subplots(2, 1)
 ax[0].plot(t,y)
