anonymous
  • anonymous
I need help with LU factorization
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
|dw:1328685001683:dw|
anonymous
  • anonymous
are so saying, how to simplify this and find the discriminant?
anonymous
  • anonymous
matrix problem right?

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More answers

anonymous
  • anonymous
umm no A=LU the matrix A = to the lower traingle matrix multiplies by the upper triangle matrix
anonymous
  • anonymous
LU?
anonymous
  • anonymous
L=lower triangle matrix U= uppertriangle matrix
anonymous
  • anonymous
|dw:1328686708737:dw|
anonymous
  • anonymous
you are welcome . first one lower .. second one upper...
anonymous
  • anonymous
Yay thanks waleed :D
anonymous
  • anonymous
thnx for medal ... the smartest . cute est ... humblest :P
anonymous
  • anonymous
hehe the prettiest
anonymous
  • anonymous
miltiply |dw:1328686872400:dw| minus|dw:1328686938018:dw|. is this the process you've made waleed kha?
anonymous
  • anonymous
No.
anonymous
  • anonymous
That is to find the determinanat
anonymous
  • anonymous
wanna to explain it ?
anonymous
  • anonymous
plz explain :D
anonymous
  • anonymous
first row by first column. must be equal the first no in given Matrix
anonymous
  • anonymous
|dw:1328687221393:dw|
anonymous
  • anonymous
|dw:1328687327575:dw| 2 times 1 + zero + zero = 2 same as give matrix
anonymous
  • anonymous
|dw:1328687391301:dw| 2 times 0.5 + zero times x + zero = 1
anonymous
  • anonymous
|dw:1328687471716:dw| 2 times 2 + zero times x + zero times y = 4 dont worry for x and y .. we just show that we dont care for its value.
anonymous
  • anonymous
do you have any attachment that i could refer to?
anonymous
  • anonymous
http://en.wikipedia.org/wiki/LU_decomposition
anonymous
  • anonymous
|dw:1328687756969:dw| -1 times 1 + zero + zero = -1
anonymous
  • anonymous
|dw:1328687791184:dw| -1 times 0.5 + 4.5 times 1 = 4 here it is i mistake in my answer up in first replay.
anonymous
  • anonymous
|dw:1328687926717:dw| \[\huge {-1 \times 4 + 4.5\times x= -2} \] \[x= \frac {1}{2.25} \]
anonymous
  • anonymous
I never learnt this method
anonymous
  • anonymous
|dw:1328688188380:dw| as long as the answer should be zero
anonymous
  • anonymous
|dw:1328688226631:dw| zero times 0.5 + 5 times 1 + unknown times zero = 5
anonymous
  • anonymous
|dw:1328688305904:dw| solve for x y zero times 4 + 5 times 1/2.25 + x times y = 2 x times y = 1/4.5 let x = 1 y = 1/4.5
anonymous
  • anonymous
This is it . . its simple, hope you get it . thnx for your listening time
anonymous
  • anonymous
lol thank you :D

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