Practica 2 Elt 256.docx
This document was uploaded by user and they confirmed that they have the permission to share it. If you are author or own the copyright of this book, please report to us by using this DMCA report form. Report DMCA
Overview
Download & View Practica 2 Elt 256.docx as PDF for free.
More details
- Words: 358
- Pages: 6
LLEVAR A LA FORMA REDUCIDA:
1 𝐴=2 3
>> A=[1 2 -1;2 4 2;3 4 -7] A= 1
2 -1
2
4
3
4 -7
2
>> A(2,:)=A(2,:)-2*A(1,:) A= 1
2 -1
0
0
3
4 -7
4
>> A(3,:)=A(3,:)-3*A(1,:) A= 1
2 -1
0
0
4
0 -2 -4 >> A(3,:)=A(3,:)+A(2,:) A= 1
2 -1
0
0
4
0 -2
0
>> A(1,:)=A(1,:)+A(3,:)
2 −1 4 2 4 −7
1 2 3 𝐵 = 0 −3 1 4 1 −2
>> B=[1 2 3;0 -3 1;4 1 -2] B= 1
2
3
0 -3
1
4
1 -2
>> B(3,:)=B(3,:)-4*B(1,:) B= 1
2
3
0 -3
1
0 -7 -14 >> format rat >> B(2,:)=( -1/3)*B(2,:) B=
1
2
3
0
1
-1/3
0
-7
-14
>> B(3,:)=B(3,:)+7*B(2,:)
B= 1
2
3
0
1
-1/3
0
0
-49/3
>> B(3,:)=(-3/49)*B(3,:)
B= 1
2
3
0
1
-1/3
0
0
1
>> B(1,:)=B(1,:)-3*B(3,:)
B=
1
2
0
0
1
-1/3
0
0
1
>> B(2,:)=B(2,:)+(1/3)*B(3,:)
B= 1
2
0
0
1
0
0
0
1
>> B(1,:)=B(1,:)-2*B(2,:)
B= 1
0
0
0
1
0
0
0
1
2 −1 4 𝐶 = 1 2 −3 4 3 −2
>> C=[2 -1 4;1 2 -3;4 3 -2] C= 2
-1
4
1
2
-3
4
3
-2
>> C(1,:)=1/2*C(1,:) C=
1
-1/2
2
1
2
-3
4
3
-2
>> C(2,:)=C(2,:)-C(1,:) C= 1
-1/2
2
0
5/2
-5
4
3
-2
>> C(3,:)=C(3,:)-4*C(1,:) C= 1
-1/2
2
0
5/2
-5
0
5
-10
>> C(2,:)=2/5*C(2,:) C= 1
-1/2
2
0
1
-2
0
5
-10
>> C(1,:)=C(1,:)+1/2*C(2,:)
C=
1
0
1
0
1
-2
0
5
-10
>> C(3,:)=C(3,:)-5*C(2,:)
C=
1
0
1
0
1
-2
0
0
0
>> C(:,3)=C(:,3)+2*C(:,2)
C=
1
0
1
0
1
0
0
0
0
>> C(:,3)=C(:,3)-C(:,1)
C=
1
0
0
0
1
0
0
0
0
A=
1
0 -1
0
0
4
0 -2
0
>> A(:,3)=A(:,3)+A(:,1)
A=
1
0
0
0
0
4
0 -2
0
>> A(2,:)=1/4*A(2,:)
A=
1
0
0
0
0
1
0 -2
0
>> A(3,:)=(-1/2)*A(3,:)
A=
1
0
0
0
0
1
0
1
0
1 𝐴=2 3
>> A=[1 2 -1;2 4 2;3 4 -7] A= 1
2 -1
2
4
3
4 -7
2
>> A(2,:)=A(2,:)-2*A(1,:) A= 1
2 -1
0
0
3
4 -7
4
>> A(3,:)=A(3,:)-3*A(1,:) A= 1
2 -1
0
0
4
0 -2 -4 >> A(3,:)=A(3,:)+A(2,:) A= 1
2 -1
0
0
4
0 -2
0
>> A(1,:)=A(1,:)+A(3,:)
2 −1 4 2 4 −7
1 2 3 𝐵 = 0 −3 1 4 1 −2
>> B=[1 2 3;0 -3 1;4 1 -2] B= 1
2
3
0 -3
1
4
1 -2
>> B(3,:)=B(3,:)-4*B(1,:) B= 1
2
3
0 -3
1
0 -7 -14 >> format rat >> B(2,:)=( -1/3)*B(2,:) B=
1
2
3
0
1
-1/3
0
-7
-14
>> B(3,:)=B(3,:)+7*B(2,:)
B= 1
2
3
0
1
-1/3
0
0
-49/3
>> B(3,:)=(-3/49)*B(3,:)
B= 1
2
3
0
1
-1/3
0
0
1
>> B(1,:)=B(1,:)-3*B(3,:)
B=
1
2
0
0
1
-1/3
0
0
1
>> B(2,:)=B(2,:)+(1/3)*B(3,:)
B= 1
2
0
0
1
0
0
0
1
>> B(1,:)=B(1,:)-2*B(2,:)
B= 1
0
0
0
1
0
0
0
1
2 −1 4 𝐶 = 1 2 −3 4 3 −2
>> C=[2 -1 4;1 2 -3;4 3 -2] C= 2
-1
4
1
2
-3
4
3
-2
>> C(1,:)=1/2*C(1,:) C=
1
-1/2
2
1
2
-3
4
3
-2
>> C(2,:)=C(2,:)-C(1,:) C= 1
-1/2
2
0
5/2
-5
4
3
-2
>> C(3,:)=C(3,:)-4*C(1,:) C= 1
-1/2
2
0
5/2
-5
0
5
-10
>> C(2,:)=2/5*C(2,:) C= 1
-1/2
2
0
1
-2
0
5
-10
>> C(1,:)=C(1,:)+1/2*C(2,:)
C=
1
0
1
0
1
-2
0
5
-10
>> C(3,:)=C(3,:)-5*C(2,:)
C=
1
0
1
0
1
-2
0
0
0
>> C(:,3)=C(:,3)+2*C(:,2)
C=
1
0
1
0
1
0
0
0
0
>> C(:,3)=C(:,3)-C(:,1)
C=
1
0
0
0
1
0
0
0
0
A=
1
0 -1
0
0
4
0 -2
0
>> A(:,3)=A(:,3)+A(:,1)
A=
1
0
0
0
0
4
0 -2
0
>> A(2,:)=1/4*A(2,:)
A=
1
0
0
0
0
1
0 -2
0
>> A(3,:)=(-1/2)*A(3,:)
A=
1
0
0
0
0
1
0
1
0
Related Documents
Practica 2 Elt 256.docx
May 2020 1
Practica 2 Elt 256.docx
May 2020 2
Elt - Luminotecnia.docx
May 2020 29
Practica 2
May 2020 6
Practica 2
November 2019 12
Practica 2
June 2020 12More Documents from "you"
Tarea Piro 1.docx
June 2020 8
Laboratorio Qmc Q104lmm.docx
May 2020 5
Programacion.docx
May 2020 4
Libro1.xlsx
May 2020 8
Elt 206 1.docx
May 2020 13