MATLAB CODE
function x = conjgrad(A, b, x) r = b - A * x; p = r; rsold = r' * r; for i = 1:length(b) Ap = A * p; alpha = rsold / (p' * Ap); x = x + alpha * p; r = r - alpha * Ap; rsnew = r' * r; if sqrt(rsnew) < 1e-10 break; end p = r + (rsnew / rsold) * p; rsold = rsnew; end end
3. Consider the following SPD linear system Ar = b with -[11] -- [3] Solve the...
Problem 3. Consider the following the linear system . Solve the above linear system by using Gaussian elimination with partial pivoting strategy. . Solve the above linear system by using Gaussian elimination with scaled partial pivoting strategy. Problem 3. Consider the following the linear system . Solve the above linear system by using Gaussian elimination with partial pivoting strategy. . Solve the above linear system by using Gaussian elimination with scaled partial pivoting strategy.
3 Linear systems 18. Solve the linear system of equations using the Naive Gauss elimination method x,+x: + x) = 1 +2x, +4x1 x 19. Solve the linear system of equations using the Gauss elimination method with partial pivoting 12x1 +10x2-7x3=15 6x, + 5x2 + 3x3 =14 24x,-x2 + 5x, = 28 20. Find the LU decomposition for the following system of linear equations 6x, +2x, +2, 2 21. Find an approximate solution for the following linear system of equations...
4. Solve the following system of linear equations using the inverse matrix method. 1 y = 1 2 , 3 2 -r- 1 5 4 a) x+y +z= 6 x-y-3z=-8 x+y- 2z=-6 b) Solve the following system of linear equations using Cramer's Rule. 5. 2 1 -X- 3 2 1 3 X+-y-1 5 4 y = 1 a) x+y+z= 6 x-y-3z=-8 x+y- 2z = -6 b) 4. Solve the following system of linear equations using the inverse matrix method. 1...
Help with system of linear equations. Question 11 [10 points] Solve the following system of linear equations 2x1-4x2 2x3+4x46 2x1+5x2+x3-5x4 12 x1+3x2+x3-6x 11 -2x1+6x2-x3-2x4 -14 if the system has You can The system has no solution no solution, demonstrate this by giving a row-echelon form of the augmented matrix for the system. appropriate) by clicking and dragging the bottom-right corner of the matrix. Row-echelon form of augmented matrix: 0 0 0 Official Time: 16:52:07 SUBMIT AND MARK
Linear algebra. Help with 2 and 3. 2. (21 pts.) Solve the linear system given. Write out all pivots and multipliers and write your an ordered triple. A-3 4 7| 11 3. (4 pts.) Solve the linear system given using A-1 if A=123 and Write your solution as an ordered pair.
plz show all steps 3. Consider the linear system of equations 21-62-33-38 22T3 initial guess r0,0,apply, by hand, the Jacobi iteration until the approx- imate relative error falls below 7%. b) With the same initial guess as in a), solve the system using Gauss-Seidel method. 3. Consider the linear system of equations 21-62-33-38 22T3 initial guess r0,0,apply, by hand, the Jacobi iteration until the approx- imate relative error falls below 7%. b) With the same initial guess as in a),...
1-1 11?? (c) Consider the system of linear equations | 3 1 40-1 | x = | 2 | , where a 2 a a+1 is a scalar. (i) 1 (ii) Determine the value(s) of a such that the system is consistent with infinitely many solutions; consistent with one and only one solution; and , (iii) inconsistent. Solve the system when it is consistent. 20 marks
Question 3 Consider the following linear system of differential equations dx: = 2x-3y dt dy dt (a) Write this system of differential equations in matrix form (b) Find the general solution of the system (c) Solve the initial value problem given (0) 3 and y(0)-4 (d) Verify the calculations with MATLAB Question 3 Consider the following linear system of differential equations dx: = 2x-3y dt dy dt (a) Write this system of differential equations in matrix form (b) Find the...
consider the linear system A^Tx =b where A^-1=[2,-1;3,4], b=[3;-1].then the solution vector x is 8. Consider the linear system ATX = b, where 4= 6'), =(-1) Then the solution vector x is (A) (15/11)
3. Given the following system of linear equation: (5x + 6y + 72 = 18 10x + 12y + 3z = 25 (20x + 17y + 192 = 56 (a) Solve the system using only Cramer's rule. (6) Solve the system using only Inverse Matrix Method. (c) Solve the system using only Gaussian Elimination.