solving a Matrix

September 3, 2006, 08:07

Hello friends.

I'm working on a very larg 2-D zone. I have to divide it to 3000*500 nodes at least. I need a simple method to solve this problem with an acceptable convergence. My computer CPU is a 3GHZ Intel procesor. I'm eagerly waiting for your suggestions.

Best regards. Goodbye.

September 3, 2006, 14:20

HELLO I am SAEED MAHLOO,Aerospace(Propulsion) engineer.If your matrix is a tridiagonal you should use TDMA method(THOMAS ALGORITHM) ,If your matrix is 5 diagonal you should use ADI method.Please explain more or Email me? WITH BEST REGARDS GOOOD LUCK

bye

September 6, 2006, 11:05

Nothing simpler than Jacoby/Gauss seidel iterative methods.

September 10, 2006, 00:14

Thank you very much. Unfortunately the matrix is so big (3000*500) that by this method solving the matrix needs a lot of time. Besides, it's a subroutine in a program and this matrix has to be solved 50 000 time during the specefic period of time. I'm seeking for a faster method to solve big matrices. Goodbye.

September 3, 2006, 08:07	solving a Matrix	#1
Behafarid Guest Posts: n/a	Hello friends. I'm working on a very larg 2-D zone. I have to divide it to 3000*500 nodes at least. I need a simple method to solve this problem with an acceptable convergence. My computer CPU is a 3GHZ Intel procesor. I'm eagerly waiting for your suggestions. Best regards. Goodbye.

September 3, 2006, 14:20	Re: solving a Matrix	#2
SAEED MAHLOO Guest Posts: n/a	HELLO I am SAEED MAHLOO,Aerospace(Propulsion) engineer.If your matrix is a tridiagonal you should use TDMA method(THOMAS ALGORITHM) ,If your matrix is 5 diagonal you should use ADI method.Please explain more or Email me? WITH BEST REGARDS GOOOD LUCK bye

September 6, 2006, 11:05	Re: solving a Matrix	#3
Nico Guest Posts: n/a	Nothing simpler than Jacoby/Gauss seidel iterative methods.

September 10, 2006, 00:14	Re: solving a Matrix	#4
Behafarid Guest Posts: n/a	Thank you very much. Unfortunately the matrix is so big (3000*500) that by this method solving the matrix needs a lot of time. Besides, it's a subroutine in a program and this matrix has to be solved 50 000 time during the specefic period of time. I'm seeking for a faster method to solve big matrices. Goodbye.

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