pydiodon.center_col¶
- pydiodon.center_col(A)[source]¶
centers a matrix columnwise
- Parameters:
- Aa 2D numpy array n x p
the matrix to be centered
- Returns:
- Aca 2D numpy array
n x p, centered columnwise
- m1D numpy array, p values
means per column
Notes
example
>>> import pydiodon as dio >>> import numpy as np >>> n = 4 ; p = 3 >>> A = np.arange(n*p) >>> A.shape=(n,p) >>> Ac, m = dio.center_col(A)
af, rp, 21.02.19, 22.10.13