Use matlab Write a wellcommented Matlab function program myi

Use matlab:

Write a well-commented Matlab function program ‘myinvcheck’ that • Makes a n×n random matrix (normally distributed, A = randn(n,n) ), • Calculates its inverse (B = inv(A)), • Multiplies A×B, Write a well-commented Matlab script program that calls ‘myinvcheck’ for n = 3, 5.

Solution

Main Program:

clc
n=input(\'size of matrix (n)=\');%For fetching size of the matrix(n) from command window
if n==3||n==5 %Executes whenever the n value is either 3 or 5
myinvcheck(n); % Calling \'myinvcheck\' function
end

myinvcheck function:

function C = myinvcheck;%creating the user defind function with the name \'myinvcheck\'
clc
A=randn(n,n) % Creating a matrix with random numbers of size n
B=inv(A) % Calculation of inverse of the matrix A
C=A*B % Product of matrices A and B
end