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problem with elementary transformation for matrix

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  • Subject: [mg131375] problem with elementary transformation for matrix
  • From: chris zheng <zslylc at>
  • Date: Tue, 2 Jul 2013 00:45:42 -0400 (EDT)
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Hi, All,

I used a series of elementary transformation to reduce a matrix to a tridiagonal matrix. when I wrote the program in notebook, I run step by step. everything ran well and it give me explicitly the result of a matrix.

but after I save this notebook and open it after a day, I run the whole notebook and print out the product of these elementary transformation, Mathematica does not give me explicit result of matrix, it gives me a product of these elementary transformation. do not know why. I print out Print[V] and here is  my result:


please help me and it is urgent for me.

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