3 examples of 'numpy create empty array' in Python

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12def create_array():
13 """Creates a simple 3D numpy array with unique values at each
14 location in the matrix.
15
16 """
17 rows, cols, depth = 2, 3, 4
18 arr = numpy.zeros((rows, cols, depth), 'i')
19 count = 0
20 for i in range(rows):
21 for j in range(cols):
22 for k in range(depth):
23 arr[i,j,k] = count
24 count += 1
25 return arr
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90def create_from_numpy(self, arr):
91 return gpuarray.to_gpu(arr.astype(self.dtype))
11def create_empty_arrays():
12 oneD_empty = np.empty(5)
13 twoD_empty = np.empty((5,4))
14 threeD_empty = np.empty((5,4,3))
15
16 print('1D array')
17 print(oneD_empty)
18
19 print('2D array')
20 print(twoD_empty)
21
22 print('3D array')
23 print(threeD_empty)

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