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badsykes
Joined: 14 Dec 2008
Posts: 1
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 Posted: December 14, 2008 7:55 AM Post subject: Can i multiply matrices that contain only variables? |
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Hello
I need to multiply some rotation matrices that contain no numbers.I typed them in my TI-89 titanium calculator and i get an error like: 'invalid matrix " when i wanted to store it.
The matrix was displayed correctly in the computer but for some reason he doesn't like it.
Thank you |
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DifEqRules
Joined: 29 Apr 2009
Posts: 7
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| Posted: April 29, 2009 10:00 AM Post subject: Variables are allowed |
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I've put variables in my matrices. No problems there.
Maybe you selected "new" for matrix and used a variable name that was already in use? Maybe the variables in your matrix were already in use?
I can't tell with the limited info you have supplied. |
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