运行结果尺寸: 625 x 591
x
 
import numpy as np
from scipy.sparse import csr_matrix
arr = np.array([[0, 0, 0], [0, 0, 1], [1, 0, 2]])
mat = csr_matrix(arr)
mat.eliminate_zeros()
print(mat)
  (1, 2)	1
  (2, 0)	1
  (2, 2)	2