(a) Compute |||| ||||1, and ||||2 for x = [-3.2,5,-0.5,3] using MATLAB. (b) Find A-1.for A=...

 

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(a) Compute |||| ||||1, and ||||2 for x = [-3.2,5,-0.5,3] using MATLAB. (b) Find A-1.for A= - [1 2 3] 4 1 2 015 by hand using Gauss-Jordan elimination (show all your steps!) and compute the condition number of A first using the ||- || norm, then using the || | norm. Compare your result to the MATLAB result obtained using the cond routine in MATLAB. (a) Compute |||| ||||1, and ||||2 for x = [-3.2,5,-0.5,3] using MATLAB. (b) Find A-1.for A= - [1 2 3] 4 1 2 015 by hand using Gauss-Jordan elimination (show all your steps!) and compute the condition number of A first using the ||- || norm, then using the || | norm. Compare your result to the MATLAB result obtained using the cond routine in MATLAB.