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Add 'seed' argument to gaussian_random_field #1

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Add 'seed' argument to gaussian_random_field #1

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6 changes: 4 additions & 2 deletions gaussian_random_fields.py
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,8 @@ def fftind(size):

def gaussian_random_field(alpha = 3.0,
size = 128,
flag_normalize = True):
flag_normalize = True,
seed = None):
""" Returns a numpy array of shifted Fourier coordinates k_x k_y.

Input args:
Expand All @@ -70,7 +71,8 @@ def gaussian_random_field(alpha = 3.0,
example = gaussian_random_field()
plt.imshow(example)
"""

# Set random seed for reproducable results
numpy.random.seed(seed)
# Defines momentum indices
k_idx = fftind(size)

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