Question about Casio FX-9860G Graphic Calculator
Here is enough to get you started and a little more.
Read the post ant consult your calculator manual.
How to calculate the determinant of a (square, non-singular) matrix is described in part B
A. Define a matrix (Create it)
B Operations on matrices
Once you have one matrix, you can do operations on it: Calculate the determinant (if matrix is square), calculate its inverse, transpose, augment it, fill it, etc..
[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]
D. Product of two compatible matrices MatAXMatB
[OPTN][F2:MAT] (MAT) [Alpha] A [*] (MAT) [ALPHA] B [EXE]
Part E Invert a (square, non singular) matrix that was already defined.
Press [OPTN] [F2:Mat] to open a screen similar to the one in capture above
Press [F1:Mat] to have identifier Mat displayed.
Enter the name of the matrix by pressing [ALPHA] A, for example.
Press [SHIFT] [ ) ] activate the (x^-1) key.
This is what you might see (with parentheses and without).
Press [EXE] button to calculate the inverse.
Posted on Apr 09, 2011
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Posted on Jan 02, 2017
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