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Malwande
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HP12C PROGRAM

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HP12C

I do not know how to program my HP12C calculator to multiply matrices. 

Thanks

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cyrille
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Hello,

The 12C is not the most appropriate calculator for such a task.

 

Among the older calculators, the 15C is matrix multiplication capable if I remember well... this would be your best bet honestly (more modern calculators also have it of course)...

 

It is possible to program the 12C to multiply 2 2*2 matrices. 3*3 is probably possible but using a lot of tricks to store the data as the 12C is limited 20 storage registers. You might be able to use the stack and the financial registers, or the IRR registers to store the extra data...

 

But, multiplying such small matrices by "hand" (with the help of the calc to do the multiply and adds) is not that hard and probably as good as trying to shoehorn a convoluted program in the 12C.

 

Cyrille

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