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How to do gauss jordan - Texas Instruments TI-30 XIIS Calculator

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You should consult a Linear Algebra book. Besides, these calculator cannot handle matrices of dimensions 4x4 or higher . With matrices of dimension 3x3 and less it is probably easier to use the Cramer rules directly.

Posted on Nov 07, 2012


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Posted on Jan 02, 2017


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The screen is green all around and the middle is purple.

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How do i use my ti 84 plus to solve problems with the gauss jordan method, to obtain the cofactors of a matrix, and many oder operations with matrices

The matrix Math tools, are accessed by pressing [2nd][MATRIX] ->>[MATH]. Scroll the list to find all row permutations, etc.
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Top portion of the screen is some what green. Every thing else is OK

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Picture has a a klidescope like picture to it.. is this the picture tube and can it be fixed

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My Dell monitor gives sharp noise when started without connecting to the CPU.When system has started it works fine.Can I know how to solve it please ?

I used to have a monitor similar to yours, from the noise you are describing is it like a crack? or an high voltage electrical spark/arc? (Mini lightening flash sound).
The Monitor I had De-gaussed each time it was switched on this is a weird thing that lines up the colour guns. If done whilst in use it gives the brief appearance of a shimmy/shake to the screen.
Have you a menu bar on or near the power on/ off switch? if you do try looking for De-gausse it may inadvertently become switched on to auto. You can De-gausse manually.
I do hope this helps.
Paul 'W'

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