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Subject: LARGE roundoff error in matrixvector multiplication? From: Henry Wolkowicz Date: 5 Nov, 2010 20:39:04 Message: 1 of 7 
I get the following relatively large roundoff error on matrixvector multiplication 
Subject: LARGE roundoff error in matrixvector multiplication? From: Bruno Luong Date: 5 Nov, 2010 22:16:03 Message: 2 of 7 
"Henry Wolkowicz" <hwolkowicz@uwaterloo.ca> wrote in message <ib1q18$51r$1@fred.mathworks.com>... 
Subject: LARGE roundoff error in matrixvector multiplication? From: Henry Wolkowicz Date: 5 Nov, 2010 23:04:04 Message: 3 of 7 
Bruno ... your reply does not make sense to me. I am doing matrixvector multiplication. What does an illconditioned matrix (if it is or not) have anything to do with matrix multiplication? 
Subject: LARGE roundoff error in matrixvector multiplication? From: Bruno Luong Date: 5 Nov, 2010 23:26:04 Message: 4 of 7 
"Henry Wolkowicz" <hwolkowicz@uwaterloo.ca> wrote in message <ib22h4$9bp$1@fred.mathworks.com>... 
Subject: LARGE roundoff error in matrixvector multiplication? From: James Tursa Date: 5 Nov, 2010 23:48:05 Message: 5 of 7 
"Henry Wolkowicz" <hwolkowicz@uwaterloo.ca> wrote in message <ib22h4$9bp$1@fred.mathworks.com>... 
Subject: LARGE roundoff error in matrixvector multiplication? From: Roger Stafford Date: 6 Nov, 2010 00:25:05 Message: 6 of 7 
"Henry Wolkowicz" <hwolkowicz@uwaterloo.ca> wrote in message <ib1q18$51r$1@fred.mathworks.com>... 
Subject: LARGE roundoff error in matrixvector multiplication? From: Bruno Luong Date: 6 Nov, 2010 07:42:03 Message: 7 of 7 
Please see an old thread about sum, order, and multithreading: 
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