Using Matrices to Solve Systems of Equations on the Graphing Calculator
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Uploader Comments (gdawgrapper)
All Comments (14)
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@gdawgrapper i found the problem, i think after i was done entering the numbers i would accidentally delete the last input for some reason. great video, and thanks for your help!
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Thank you so much for the assistance, very very helpful.
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This was the most helpful video on this topic I found here on YouTube. Thumbs up.
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Thank you i needed to remember how to do this,I have a test on it in SAT Math.
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i needed this for a math toolbox due tommorow, thank you so much
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Thank you so much! I was in math class today and wasn't really paying attention when my teacher was showing how to do this in class and I had no idea how to do it ...so I found your video on google and here i am now! Haha
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this was great, clear, and helpful. thanks a bunch.
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@BestUsernamePossible That's ok. On that review problem I didn't take the time to explain that very clearly, but in the first problem, I really took time on the process. You can check that part if you would like.
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im having some trouble. im doing everything in this video, but after i ask for the rref of the matrix, it wont solve it and tells me there is an error: invalid dim. any help? thanks
crazydawg807 6 days ago
@crazydawg807 Not seeing your calculator, it's hard for me to tell what's wrong, particularly since I haven't had that error message with matrices. However, I have seen that message associated with inputting points in lists. I would try looking at your originally installed matrix. If it's a 2 by 3, make sure there is a number entered in each space. Same for 3 by 4. If not, that's what could be causing the error message. Thanks for viewing and commenting.
gdawgrapper 6 days ago