def __new__(cls, label, indices, eta_dict):
indices = tuple(indices)
del(eta_dict)
if label == 'C' and indices == (0,):
# C depends on two variables
indices = (0, 0)
matrix = [Symbol(label+str(list(indices)), positive=True)]
new_instance = Matrix.__new__(cls, matrix)
return new_instance
def __new__(cls, *args):
if len(args) == 1 and isinstance(args[0], Matrix) \
and args[0].shape == (2, 1):
temp = args[0]
elif len(args) == 2:
temp = ((args[0],), (args[1],))
else:
raise ValueError(filldedent('''
Expecting 2x1 Matrix or the 2 elements of
the Matrix but got %s''' % str(args)))
return Matrix.__new__(cls, temp)
def __new__(cls, *args):
if len(args) == 1 and isinstance(args[0], Matrix) \
and args[0].shape == (2, 1):
temp = args[0]
elif len(args) == 2:
temp = ((args[0],), (args[1],))
else:
raise ValueError(filldedent('''
Expecting 2x1 Matrix or the 2 elements of
the Matrix but got %s''' % str(args)))
return Matrix.__new__(cls, temp)
def __new__(cls, *args):
if len(args) == 4:
temp = ((args[0], args[1]), (args[2], args[3]))
elif len(args) == 1 and isinstance(args[0],
Matrix) and args[0].shape == (2, 2):
temp = args[0]
else:
raise ValueError(
filldedent("""
Expecting 2x2 Matrix or the 4 elements of
the Matrix but got %s""" % str(args)))
return Matrix.__new__(cls, temp)