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ktatar/stretch_1d_array.py

Last active February 23, 2020 20:40
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[Stretch a 1d numpy array] #python #numpy #signalprocessing #scipy #interpolate
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stretch_1d_array.py
import numpy as np
from scipy import interpolate
#Create target array. We are trying to match the size of this array
my_cqt = np.linspace(2.0,3.0, num=20)
#The array to be stretched
my_alfa = np.linspace(0., 1., num=10)
f = interpolate.interp1d(np.arange(0, len(my_alfa)), my_alfa)
my_stretched_alfa = f(np.linspace(0.0, len(my_alfa)-1, len(my_cqt)))
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