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From: Arnaud Miege on 1 Jul 2010 11:53
"Filippo Malvezzi" <malpippo(a)yahoo.it> wrote in message <hq9j31$cbh$1(a)fred.mathworks.com>...
> I am trying to load a matrix from workspace to simulink with the simin block but I always get this error:
>
> "time values in matrix.mat must be monotonically non-decreasing"
>
> What can I do?

I assume that you are referring to the From Workspace block. In which case, I would point you to the block documentation:
http://www.mathworks.com/access/helpdesk/help/toolbox/simulink/slref/fromworkspace.html

in particular
"A two-dimensional matrix:
* The first element of each matrix row is a time stamp.
* The rest of each row is a scalar or vector of signal values. "

Is your matrix a parameter or a signal? If it is a parameter, then you are using the wrong block. What do you want to use your matrix for?

HTH,

Arnaud
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