Project 1 Solutions

Project 1 Solutions - PROJECT #1 Team Name: The Unknowns...

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Unformatted text preview: PROJECT #1 Team Name: The Unknowns Members: Hristian Divya Sofia Annon #1 function B=badgauss(A) m=size(A,1); B=A; for i=1:m-1 for j=i+1:m a= -B(j,i)/B(i,i); B(j,:)= a*B(i,:)+B(j,:); end end MATLAB .... >> A=rand(5) A = 0.9501 0.7621 0.6154 0.4057 0.0579 0.2311 0.4565 0.7919 0.9355 0.3529 0.6068 0.0185 0.9218 0.9169 0.8132 0.4860 0.8214 0.7382 0.4103 0.0099 0.8913 0.4447 0.1763 0.8936 0.1389 >> B=badgauss(A) B = 0.9501 0.7621 0.6154 0.4057 0.0579 0 0.2711 0.6422 0.8368 0.3388 0 0 1.6381 2.1032 1.3614-0.0000 0 0 -0.3603 -0.0612-0.0000 0 -0.0000 0 0.0468 _________________________________________________________________________________________________ #2 function x=backsub(A,b) n=size(A,2); x=zeros(n,1); for i=n:-1:1 x(i)= (b(i)-A(i,:)*x)/A(i,i); end MATLAB .... >> A=triu(rand(5)) A = 0.2028 0.0153 0.4186 0.8381 0.5028 0 0.7468 0.8462 0.0196 0.7095 0 0 0.5252 0.6813 0.4289 0 0 0 0.3795 0.3046 0 0 0 0 0.1897 >> b=rand(5,1) b = 0.1934 0.6822 0.3028 0.5417 0.1509 >> x=backsub(A,b) x =-2.1193 1.3796-1.0965 0.7888 0.7955 >> A\b ans =-2.1193 1.3796-1.0965 0.7888 0.7955 ________________________________________________________________________________________________...
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Project 1 Solutions - PROJECT #1 Team Name: The Unknowns...

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