Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.9/dist-packages/scipy/sparse/_matrix.py: 50%

1class spmatrix: 

2 """This class provides a base class for all sparse matrix classes. 

3 

4 It cannot be instantiated. Most of the work is provided by subclasses. 

5 """ 

6 

7 @property 

8 def _bsr_container(self): 

9 from ._bsr import bsr_matrix 

10 return bsr_matrix 

11 

12 @property 

13 def _coo_container(self): 

14 from ._coo import coo_matrix 

15 return coo_matrix 

16 

17 @property 

18 def _csc_container(self): 

19 from ._csc import csc_matrix 

20 return csc_matrix 

21 

22 @property 

23 def _csr_container(self): 

24 from ._csr import csr_matrix 

25 return csr_matrix 

26 

27 @property 

28 def _dia_container(self): 

29 from ._dia import dia_matrix 

30 return dia_matrix 

31 

32 @property 

33 def _dok_container(self): 

34 from ._dok import dok_matrix 

35 return dok_matrix 

36 

37 @property 

38 def _lil_container(self): 

39 from ._lil import lil_matrix 

40 return lil_matrix 

41 

42 # Restore matrix multiplication 

43 def __mul__(self, other): 

44 return self._mul_dispatch(other) 

45 

46 def __rmul__(self, other): 

47 return self._rmul_dispatch(other) 

48 

49 # Restore matrix power 

50 def __pow__(self, power): 

51 from .linalg import matrix_power 

52 

53 return matrix_power(self, power) 

54 

55 ## Backward compatibility 

56 

57 def set_shape(self, shape): 

58 """Set the shape of the matrix in-place""" 

59 # Make sure copy is False since this is in place 

60 # Make sure format is unchanged because we are doing a __dict__ swap 

61 new_self = self.reshape(shape, copy=False).asformat(self.format) 

62 self.__dict__ = new_self.__dict__ 

63 

64 def get_shape(self): 

65 """Get the shape of the matrix""" 

66 return self._shape 

67 

68 shape = property(fget=get_shape, fset=set_shape, 

69 doc="Shape of the matrix") 

70 

71 def asfptype(self): 

72 """Upcast matrix to a floating point format (if necessary)""" 

73 return self._asfptype() 

74 

75 def getmaxprint(self): 

76 """Maximum number of elements to display when printed.""" 

77 return self._getmaxprint() 

78 

79 def getformat(self): 

80 """Matrix storage format""" 

81 return self.format 

82 

83 def getnnz(self, axis=None): 

84 """Number of stored values, including explicit zeros. 

85 

86 Parameters 

87 ---------- 

88 axis : None, 0, or 1 

89 Select between the number of values across the whole array, in 

90 each column, or in each row. 

91 """ 

92 return self._getnnz(axis=axis) 

93 

94 def getH(self): 

95 """Return the Hermitian transpose of this matrix. 

96 

97 See Also 

98 -------- 

99 numpy.matrix.getH : NumPy's implementation of `getH` for matrices 

100 """ 

101 return self.conjugate().transpose() 

102 

103 def getcol(self, j): 

104 """Returns a copy of column j of the matrix, as an (m x 1) sparse 

105 matrix (column vector). 

106 """ 

107 return self._getcol(j) 

108 

109 def getrow(self, i): 

110 """Returns a copy of row i of the matrix, as a (1 x n) sparse 

111 matrix (row vector). 

112 """ 

113 return self._getrow(i)