numpy.eye(R, C = None, k = 0, dtype = type <‘float’>) : Return a matrix having 1’s on the diagonal and 0’s elsewhere w.r.t. k.
R : Number of rows C : [optional] Number of columns; By default M = N k : [int, optional, 0 by default] Diagonal we require; k>0 means diagonal above main diagonal or vice versa. dtype : [optional, float(by Default)] Data type of returned array.
array of shape, R x C, an array where all elements are equal to zero, except for the k-th diagonal, whose values are equal to one.
# Python Programming illustrating # numpy.eye method import numpy as geek # 2x2 matrix with 1's on main diagnol b = geek.eye(2, dtype = float) print("Matrix b : \n", b) # matrix with R=4 C=5 and 1 on diagnol # below main diagnol a = geek.eye(4, 5, k = -1) print("\nMatrix a : \n", a)
Matrix b : [[ 1. 0.] [ 0. 1.]] Matrix a : [[ 0. 0. 0. 0. 0.] [ 1. 0. 0. 0. 0.] [ 0. 1. 0. 0. 0.] [ 0. 0. 1. 0. 0.]]
These codes won’t run on online-ID. Please run them on your systems to explore the working
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