def __init__(self, d, ell):
self.class_name = 'SparseSketcher_sparseMatrix'
self.d = d
self.ell = ell
self._sketch = zeros((2 * self.ell, self.d))
self.buffer_nnz_threshold = 2 * self.ell * self.d
self.buffer = SparseMatrix(self.buffer_nnz_threshold)
from sparseMatrix import SparseMatrix
M = SparseMatrix(10, 10)
M[2, 3] = 5
print(M[2, 3])
K = SparseMatrix(10, 10)
K[3, 3] = 5
A = K + M
A.scaleBy(10)
for entry in A._entryList:
print(entry._value, entry._row, entry._col)
B = K - M
print(A[2, 3])
print(B[2, 3])
