How can I multiply the following 1x1x3 matrix with a constant value (scalar):
a = [[[1, 2, 3]]]
For example, multiplying a
by 3
should produce the following:
a*3 = [[[3,6,9]]]
Use NumPy:
In [1]: import numpy as np
In [2]: a = np.array([[[1, 2, 3]]])
In [3]: a
Out[3]: array([[[1, 2, 3]]])
In [4]: a*3
Out[4]: array([[[3, 6, 9]]])