Question about Casio FX-115ES Scientific Calculator
The calculator barely handles matrices of up to 3X3. Matrices with complex coefficients are well beyond its capabilities.
Posted on Oct 13, 2013
Even powerful graphing calculator that have a Computer Algebra System do not handle matrices with comples coefficients. If matrices are not too large (4X4) you may do that by hand. You can also decompose the matrices into real and imaginary parts thus doubling the dimensions of your matrices) to solve a system of linear equations.
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Posted on Jan 02, 2017
SOURCE: Weather casio FX-115ES can solve 5*5 matrix
According to the manual for the Casio FX115ES, the largest matrix it solves is a 3x3.
Posted on Sep 11, 2008
SOURCE: cofactor matrix
the cofactor (C) of Matrix (A) = (det(a) times (A)^-1)t
Cof A=(detAxA^1)t
Enter a matrix for (MatA) AC
shift 4 7 gives det(_
shift 4 3 shows det(a )<-end Paren
= x shows ansx
shift 4 3 shows ansxMatA -1x
= you'll see a Matrix AC to get out
shift 4 8 gives Trn(
shift 4 6 shows Trn(MatAns) =
The Matrix graph shows all the Cofactors
Posted on Jun 20, 2009
SOURCE: How do I add/subtract/multiply/divide matrixes using fx-115ES
Here check the manual:
http://support.casio.com/manualfile.php?rgn=5&cid=004001004
Posted on Apr 16, 2010
SOURCE: how to input numbers to solve a matrix using a
Press MODE 6 to get into matrix mode. Note: do this only once. If you do it again, it will erase all your matrices. Pick the matrix, set its dimension, then the calculator will put up a screen allowing you to enter/edit the matrix elements. At any time you're in matrix mode, press SHIFT 4 to bring up the matrix menu.
All this is explained in the manual beginning on page E-57. If you've misplaced the manual, you can download a copy from
http://support.casio.com/manualfile.php?rgn=1&cid=004001004
Posted on Nov 08, 2010
SOURCE: How i do matrix
1. press mode 2. select the option matrix (6) 3.select matrix A,B or C 4 select (m x n) 5 input matrix 6 repeat steps1-5 if u are using more than 1 matrix. (select another matrix (A,B or C) in step 3) 7 press shift and 4 and select the required functions. (mat A x mat B or det mat A etc..)
Posted on Jan 09, 2011
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