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I am trying to build a sparse matrix using Cupy. For some reason the same matrix is stored using Scipy, but fails whenever cupy sparse is called.
import numpy as np import cupy as cp import cupy.sparse from scipy.sparse import csc_matrix row1 = np.array([0, 2, 2, 0, 1, 2]) col1 = np.array([0, 0, 1, 2, 2, 2]) data1 = np.array([1., 2., 3., 4., 5., 6.]) test1=csc_matrix((data1, (row1, col1)), shape=(3, 3)) row2 = cp.array(row1) col2 = cp.array(col1) data2 = cp.array(data1) test2=cupy.sparse.csc_matrix((data2, (row2, col2)), shape=(3, 3)) This code assigns variable "test1" and fails on "test2" with the following message:
File "", line 1, in
runfile('C:/Users/paulo/.spyder-py3/temp.py', wdir='C:/Users/paulo/.spyder-py3')
File "C:\Users\paulo\Anaconda3\lib\site-packages\spyder\utils\site\sitecustomize.py", line 705, in runfile
execfile(filename, namespace)
File "C:\Users\paulo\Anaconda3\lib\site-packages\spyder\utils\site\sitecustomize.py", line 102, in execfile
exec(compile(f.read(), filename, 'exec'), namespace)
File "C:/Users/paulo/.spyder-py3/temp.py", line 55, in
teste2=cupy.sparse.csc_matrix((data2, (row2, col2)), shape=(3, 3))
File "C:\Users\paulo\Anaconda3\lib\site-packages\cupy\sparse\compressed.py", line 95, in init
'Unsupported initializer format')
ValueError: Unsupported initializer format
Am I doing something wrong? Thanks!
Regards,
Paulo
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