7/24/2019 tecnica de pivoteo en matlab

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clc

format rat

a=input('escribe una matriz de 3*3 aumentada: ')

fila1=[a(1,1)./a(1,1),a(1,2)./a(1,1),a(1,3)./a(1,1),a(1,)./a(1,1),a(1,!)

./a(1,1),a(1,")./a(1,1)#$

a=[fila1$a(2,:)$a(3,:)#

a(2,2)=(a(2,2))%a(2,1).*a(1,2)$

a(2,3)=(a(2,3))%a(2,1).*a(1,3)$a(2,)=(a(2,))%a(2,1).*a(1,)$

a(2,!)=(a(2,!))%a(2,1).*a(1,!)$

a(2,")=(a(2,"))%a(2,1).*a(1,")$

fila2=[&,a(2,2),a(2,3),a(2,),a(2,!),a(2,")#$

a(3,2)=(a(3,2))%a(3,1).*a(1,2)$

a(3,3)=(a(3,3))%a(3,1).*a(1,3)$

a(3,)=(a(3,))%a(3,1).*a(1,)$

a(3,!)=(a(3,!))%a(3,1).*a(1,!)$

a(3,")=(a(3,"))%a(3,1).*a(1,")$

fila3=[&,a(3,2),a(3,3),a(3,),a(3,!),a(3,")#$

a=[fila1$fila2$fila3#

fila2=

[&,a(2,2)./a(2,2),a(2,3)./a(2,2),a(2,)./a(2,2),a(2,!)./a(2,2),a(2,")./a(2,2)#$

a=[fila1$fila2$fila3#

a(1,3)=(a(1,3))%a(1,2).*a(2,3)$

a(1,)=(a(1,))%a(1,2).*a(2,)$

a(1,!)=(a(1,!))%a(1,2).*a(2,!)$

a(1,")=(a(1,"))%a(1,2).*a(2,")$

fila1=[1,&,a(1,3),a(1,),a(1,!),a(1,")#$

a(3,3)=(a(3,3))%a(3,2).*a(2,3)$

a(3,)=(a(3,))%a(3,2).*a(2,)$

a(3,!)=(a(3,!))%a(3,2).*a(2,!)$

a(3,")=(a(3,"))%a(3,2).*a(2,")$

fila3=[&,&,a(3,3),a(3,),a(3,!),a(3,")#$

a=[fila1$fila2$fila3#

fila3= [&,&,a(3,3)./a(3,3),a(3,)./a(3,3),a(3,!)./a(3,3),a(3,")./a(3,3)#$

a=[fila1$fila2$fila3#

a(1,)=(a(1,))%a(1,3).*a(3,)$

a(1,!)=(a(1,!))%a(1,3).*a(3,!)$

a(1,")=(a(1,"))%a(1,3).*a(3,")$

fila1=[1,&,&,a(1,),a(1,!),a(1,")#$

a(2,)=(a(2,))%a(2,3).*a(3,)$

a(2,!)=(a(2,!))%a(2,3).*a(3,!)$

a(2,")=(a(2,"))%a(2,3).*a(3,")$

fila2=[&,1,&,a(2,),a(2,!),a(2,")#$

a=[fila1$fila2$fila3#

7/24/2019 tecnica de pivoteo en matlab

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7/24/2019 tecnica de pivoteo en matlab

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