Created
July 14, 2019 15:22
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Matlab script for solving linear equations by conjugate gradient method.
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| function f=sol(a,x,b) | |
| %conjugate gradient method | |
| g=a*x-b; | |
| d=-g; | |
| while(1): | |
| alpha=(g'*g)/(d'*a*d); | |
| x=x+alpha*d | |
| beta=g'*g; | |
| g=g+alpha*a*d; | |
| beta=g'*g/beta; | |
| d=-g+beta*d; | |
| if alpha<0.00001 then | |
| break; | |
| end | |
| end |
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