papyri
{ } Raw JSON

bundles / numpy 2.4.4 / numpy / asmatrix

function

numpy:asmatrix

source: /numpy/matrixlib/defmatrix.py:36

Signature

def asmatrix(data, dtype = None)

Summary

Interpret the input as a matrix.

Extended Summary

Unlike matrix, asmatrix does not make a copy if the input is already a matrix or an ndarray. Equivalent to matrix(data, copy=False).

Parameters

data : array_like

Input data.

dtype : data-type

Data-type of the output matrix.

Returns

mat : matrix

data interpreted as a matrix.

Examples

import numpy as np
x = np.array([[1, 2], [3, 4]])
✓
m = np.asmatrix(x)
✓
x[0,0] = 5
✓
m
✓
matrix([[5, 2],
        [3, 4]])

Aliases

  • numpy.asmatrix