Python | Numpy matrix.std() Last Updated : 20 May, 2019 Comments Improve Suggest changes Like Article Like Report With the help of matrix.std() method, we are able to find the standard deviation a matrix by using the same method. Syntax : matrix.std() Return : Return standard deviation of a matrix Example #1 : In this example we are able to find the standard deviation of a matrix by using matrix.std() method. Python3 1=1 # import the important module in python import numpy as np # make matrix with numpy gfg = np.matrix('[4, 1; 12, 3]') # applying matrix.std() method geek = gfg.std() print(geek) Output: 4.18330013267 Example #2 : Python3 1== # import the important module in python import numpy as np # make matrix with numpy gfg = np.matrix('[4, 1, 9; 12, 3, 1; 4, 5, 6]') # applying matrix.std() method geek = gfg.std() print(geek) Output: 3.3993463424 Comment More infoAdvertise with us Next Article Python | Numpy matrix.std() J Jitender_1998 Follow Improve Article Tags : Python Python-numpy Python numpy-Matrix Function Practice Tags : python Similar Reads numpy.std() in Python numpy.std() is a function provided by the NumPy library that calculates the standard deviation of an array or a set of values. Standard deviation is a measure of the amount of variation or dispersion of a set of values.\text{Standard Deviation} = \sqrt{\text{mean} \left( (x - x.\text{mean}())^2 \rig 3 min read numpy.matrix() in Python This class returns a matrix from a string of data or array-like object. Matrix obtained is a specialised 2D array. Syntax : numpy.matrix(data, dtype = None) : Parameters : data : data needs to be array-like or string dtype : Data type of returned array. Returns : data interpreted as a matrix Python 1 min read numpy.asmatrix() in Python numpy.asmatrix(data, dtype = None) Returns a matrix by interpreting the input as a matrix. Parameters : data : array-like input data dtype : Data type of returned array Returns : Interprets the input as a matrix Python # Python Programming illustrating # numpy.asmatrix import numpy as geek # array-l 1 min read Python | Numpy matrix.transpose() With the help of Numpy matrix.transpose() method, we can find the transpose of the matrix by using the matrix.transpose()method in Python. Numpy matrix.transpose() Syntax Syntax : matrix.transpose() Parameter: No parameters; transposes the matrix it is called on. Return : Return transposed matrix Wh 3 min read numpy.array_str() in Python numpy.array_str()function is used to represent the data of an array as a string. The data in the array is returned as a single string. This function is similar to array_repr, the difference being that array_repr also returns information on the kind of array and its data type. Syntax : numpy.array_st 2 min read NumPy Array in Python NumPy (Numerical Python) is a powerful library for numerical computations in Python. It is commonly referred to multidimensional container that holds the same data type. It is the core data structure of the NumPy library and is optimized for numerical and scientific computation in Python. Table of C 2 min read numpy.zeros() in Python numpy.zeros() function creates a new array of specified shapes and types, filled with zeros. It is beneficial when you need a placeholder array to initialize variables or store intermediate results. We can create 1D array using numpy.zeros().Let's understand with the help of an example:Pythonimport 2 min read numpy.empty() in Python numpy.empty(shape, dtype = float, order = 'C') : Return a new array of given shape and type, with random values. Parameters : -> shape : Number of rows -> order : C_contiguous or F_contiguous -> dtype : [optional, float(by Default)] Data type of returned array. Python # Python Programming i 1 min read numpy.matrix.A() function - Python numpy.matrix.A() function return self as an ndarray object. Syntax : numpy.matrix.A() Parameters : None Return : [ndarray] Return self as an ndarray. Code #1 : Python3 # Python program explaining # numpy.matrix.A() function # importing numpy as geek import numpy as geek mat = geek.matrix(geek.arange 1 min read Python - Matrix A matrix is a way to organize numbers in a rectangular grid made up of rows and columns. We can assume it like a table, where:Rows go across (left to right)Columns go down (top to bottom)The size of a matrix is defined by the number of rows (m) and columns (n). If a matrix has 3 rows and 4 columns, 10 min read Like