smpl.functions.cos

smpl.functions.cos(x, a, f, phi)

cos(x,a,f,phi) = $a\cos \left(2\pi f(-\varphi +x)\right)$

>>> from smpl.functions import cos
>>> from smpl import plot
>>> plot.function(cos,3,0.02,3,xmin=-5,xmax=5)

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