create a solver for a system of linear simultaneous equations in matlab

Matlab has a built in function linsolve which can be used to solve the system of linear simultaneous equation. linsolve solves the equations Ax = b. Where A is an m-by-n matrix of coefficients, x is an n-by-1 matrix of variables, and b is an m-by-1 matrix of constants. Here is the code snippet to solve the system of linear simultaneous equations using linsolve.

main.m
% Define the coefficient matrix A
A = [1 2 3; 4 5 6; 7 8 9];

% Define the constants b
b = [10; 11; 12];

% Solve the equations
x = linsolve(A, b);

% Display the solution
disp(x);
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In this code snippet, we defined the coefficient matrix A and constants vector b. Then we solved the equations using linsolve. The solution is stored in the x variable. Finally, we displayed the solution using disp function.