Exercise 12: Using MATLAB Simulink to design a model to solve the system of linear equations: 6x1 – 3x2 + 2x3 + x, - x5 + X6 = 11 -3x1 - 7x2 + 0x3 + 4x4 - 2x5 + x6 = -5 4x1 - 3x2 + 6x3 - x4 + 2x5 + x, = 28 %3D 2x, + 4x2 + 5x3 – 7x4 - 3x5 + 2x6 = -6 %3D -X1 + 5x2 - 4x3 + 0x, + 8x5 - 2x6 = 25 3x, + 0x2 + 4x, + 2x4 + 5x5 - 6x, = -4

Consider the system of linear equations: -x1 + 2x2 + 3x3 + x4 = 3 2x1 - 4x2 + x3 + 2x4 = -1 -3x1 + 8x2 + 4x3 - x4 = 6 x1 + 4x2 + 7x3 - 2x4 = -4 i) Solve the systems of equations for x1, x2, x3, x4 utitilizing the Gauss-Jordan method. ii) Obtain the Lower & Upper triangular matrices for the system of linear equations. iii) Use the LU factorization obtained in iii) to solve for x1, x2, x3, x4. N.b : Don't kindly lift answers from other experts solution.

Find the number of real solutions (x,y) of the system of equations x³ + y² + y² = 0, x² + x²y + xy² = 0 +3

2. Solve the system of linear equation as follows: 2x1 + x2 4.x1 + 5x2 – 3x3 + 6x4 -2x1 + 5x2 – 2x3 + 6x4 4.x1+ 11x2 – 4.x3 + 8x4 x3 + 2x4 %3D 9 4 -