Algebra
Enviado por Ricardo Guzman • 8 de Septiembre de 2015 • Prácticas o problemas • 528 Palabras (3 Páginas) • 101 Visitas
Cramer
2x | -y | +2z | =6 |
3x | +2y | -z | =4 |
8x | +3y | -3z | =1 |
2 | -1 | 2 |
3 | 2 | -1 |
8 | 3 | -3 |
= -21
- 1
6 | -1 | 2 |
4 | 2 | -1 |
1 | 3 | -3 |
= -9
- 2
2 | 6 | 2 |
3 | 4 | -1 |
8 | 1 | -3 |
=74
- 3
2 | -1 | 6 |
3 | 2 | -4 |
8 | 3 | 1 |
=91
X1== X2== X3 =[pic 1][pic 2][pic 3][pic 4][pic 5][pic 6]
GAUSIANA
x | -y/2 | +z | =3 |
8x | +3y | -3z | =1 |
6x | +4y | 2z | =8 |
1 | -1/2 | 1 | 3 |
3 | 2 | -1 | 1 |
8 | 3 | -3 | 8 |
1 | -1/2 | 1 | 3 |
0 | 7 | -11 | -23 |
6 | 4 | -2 | 8 |
-X-8
1 | -1/2 | 1 | 2 |
0 | 7 | -11 | 23 |
0 | 7 | -8 | 10 |
1 | -1/2 | 1 | 3 |
0 | 7 | -11 | -23 |
0 | 0 | 3 | 8 |
X-1
X1 X2+X3= 3[pic 7]
7XX2-11XX3= -23 (1) 3XX3= 13
3XX3=13, X3=[pic 8]
7XX2= 11X X3-23, 7XX2= 71 X(13/3)-23,X2= 74/21
X1=1/2X X2-X3+3, X1=1/2(74/21) -13/3+3, X1= 3/7
X1= 3/7
X2=24/21
X3=13/3
GAUSS
3x | +4Y | -2z | =7 |
x | +2y | -z | =4 |
3 | 4 | -2 | 7 |
1 | 2 | -1 | 4 |
0 | 0 | 0 | 0 |
1 | 4/3 | -2/3 | 7/3 |
1 | 2 | -1 | 4 |
0 | 0 | 0 | 0 |
1 | 4/3 | -2/3 | 7/3 |
0 | 7/3 | -1/3 | 5/3 |
0 | 0 | 0 | 0 |
1 | 4/3 | -2/3 | 7/5 |
0 | 1 | -.5 | 2.5 |
0 | 0 | 0 | 0 |
1 | 0 | 0 | -1 |
0 | 1 | -.5 | 2.5 |
0 | 0 | 0 | 0 |
X1=--1
X2= 2.5
GAUSS
2X | +4Y | -2Z | =8 |
8Y | -4Z | -7= | =6X |
2X | 4Y | -2Z | =8 |
6X | 8Y | -4Z | =7 |
2 | 4 | -2 | 8 |
6 | 8 | -4 | 7 |
0 | 0 | 0 | 0 |
1 | 2 | -1 | 4 |
6 | 8 | -4 | 7 |
0 | 0 | 0 | 0 |
1 | 2 | -1 | 4 |
0 | -4 | 2 | -17 |
0 | 0 | 0 | 0 |
1 | 2 | -1 | 4 |
0 | 1 | -.5 | 4.25 |
0 | 0 | 0 | 0 |
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