Commit 16b927fb authored by Steven Cordwell's avatar Steven Cordwell
Browse files

use empty for zeros

parent c0c5a559
......@@ -96,8 +96,8 @@ from math import ceil, log, sqrt
from random import randint, random
from time import time
from numpy import absolute, array, diag, matrix, mean, mod, multiply, ndarray
from numpy import ones, zeros
from numpy import absolute, array, diag, empty, matrix, mean, mod, multiply
from numpy import ndarray, ones, zeros
from numpy.random import rand
from scipy.sparse import csr_matrix as sparse
......@@ -541,9 +541,9 @@ def exampleRand(S, A, is_sparse=False, mask=None):
# generate the transition and reward matrices based on S, A and mask
if is_sparse:
# definition of transition matrix : square stochastic matrix
P = zeros((A, ), dtype=object)
P = empty(A, dtype=object)
# definition of reward matrix (values between -1 and +1)
R = zeros((A, ), dtype=object)
R = empty(A, dtype=object)
for a in range(A):
if mask.ndim == 3:
PP = mask[a, :, :] * rand(S, S)
......
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