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Werner_E
Werner_EAnswer
25-Diamond I
Jan 13, 2015 12:13 AM UTC

You may use a simple numeric solve block to do the job.

BTW, the way you tried to set up your matrices by matrix multiplication was awfully wrong! [3x3]*[3*1]=[3*1] and not a square matrix. You have to multiply by a diagonal matrix (see attached sheet).

1.png

Or you may define the matrix beforehand but then you must make it a function in all unknown variables:

2.png

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2 replies

Werner_E
Werner_E25-Diamond IAnswer
25-Diamond I
Jan 13, 2015 12:13 AM UTC

You may use a simple numeric solve block to do the job.

BTW, the way you tried to set up your matrices by matrix multiplication was awfully wrong! [3x3]*[3*1]=[3*1] and not a square matrix. You have to multiply by a diagonal matrix (see attached sheet).

1.png

Or you may define the matrix beforehand but then you must make it a function in all unknown variables:

2.png

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    SFares14-AlexandriteAuthor
    14-Alexandrite
    Jan 13, 2015 12:22 AM UTC

    Thank you Werner for the detailed explanation and help!

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