Casio CFX-9800G - Page 87

Execute the operation and display the transposed matrix...
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The display shows that transposing Matrix A produces ( :
inverting a Matrix
Matrices are inverted automatically according to the following rules, where A is a matrix
and A~' is its inverse. :
A matrix being inverted must satisfy the following ‘conditions °
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*The-: following shows the formula use to invert Matrix A, shown below, into inverse
matrix A-'.
ARE AU AE
Se eed
ad — be ( =e x)
In the above: ad — be + 0
© To invert a matrix
Example | To invert the following matrix (Matrix A).
( 12
304
Perform the following operation while in the Matrix Mode.
Specify the name of the matrix you want to invert. ~
(Mat) aaa
Specify matrix inversion.
asic) : Mat Act
Execute the operation and display the inverted matrix.” -
The display shows thet inverting Matrix A produces i be
*Note that a matrix cannot be inverted. if the determinant is zero. ‘Attempting to invert
such a matrix results in an.“"Ma ERROR. = |
*Note that you ‘can’ only-invert square- matrices, which have the same number of rows ‘
and columns. Attempting to invert a matrix that i is not square results in a “Dim ERROR.” "
Squaring a Matrix
Use the operations described below to square a matrix.
@To square a matrix
To square the. following matrix (Matrix. A). ©) 5
Perform the following operation while in the Matrix Mode.
Specify the name of the matrix you want to square.
(Mat) a)
Specify squaring.
@
[fat
Ae_
The display shows that squaring Matrix A produces ( ae is ) f
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