MATLAB: I can not find any data about this method for solving linear equations “Flexible object oriented Matlab code for linear equations,” any one can help me

equation

i want to undestand this method and how i can using it for solving linear equations

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That sounds like a project title for university.

One paper is https://pdfs.semanticscholar.org/918c/293385763d732f124d5e9990d005baf05703.pdf

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MATLAB: Please i want to solve linear equations which takes the form of AX=B where x is the unknown variables but i have another unknown in row 2 of matrix B how i can not solve this problem

You have 6 equations in 7 unknowns. You do not have enough information to determine all of the variables x1, x2, x3, x4, x5, x6, and y .

syms y x1 x2 x3 x4 x5 x6
A=[2-j*3   -0.9+j*9   0        0       0    -1+j*19;
       -0.9+j*9   2-j*3   j*9       0       0   -1+j*9;
        0         j*9     17-j*3   -17+j*2  0     0;
        0         0       -17+j*2   17-j*4  j*2   0;
        0         0       0         j*2     -j*25 0;
        -1+j*19   -1+j*19 0         0        0    3-j*39;      ];
B=[5;y;0;0;2;0]; % y is the unknown variable
X=[x1;x2;x3;x4;x5;x6];
sol = solve(A*X == B, X)

This will have sol.x1 through sol.x6, all dependent on the variable y. If you knew any one x* value then you could calculate y. For example,

Y = solve(sol.x1 == 3+4*j, y)

MATLAB: Place matrix in array part 2

Well if

y = [ones(3,1); -ones(3,1)]
% or
y = [1;
     1;
     1;
    -1;
    -1;
    -1];

and x is taken from your previous question, then your result would be.

res = y * y' .* x * x';

This is very basic matrix multiplication. I suggest you read through some tutorials

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MATLAB: Please i want to solve linear equations which takes the form of AX=B where x is the unknown variables but i have another unknown in row 2 of matrix B how i can not solve this problem

MATLAB: Place matrix in array part 2

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