Numpy

numpy_linear_algebra2.py

## Working same as np.dot()
np.matmul([[2,3],[3,4]],[[1,2],[5,6]])

#[Output]:
#array([[17, 22],
#       [23, 30]])


## Here matmul will automatically brodcast if dimensiona are not same
np.matmul([[1, 0], [0, 1]],[1,2])

#[Output]:
#array([1, 2])


## It doesn't handle scalars.
np.matmul(2,3)

#[Output]:
#---------------------------------------------------------------------------
#ValueError                                Traceback (most recent call last)
#<ipython-input-6-fb0f0544aad2> in <module>()
#      1 ## It doesn't handle scalars.
#----> 2 np.matmul(2,3)

#ValueError: Scalar operands are not allowed, use '*' instead