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Matrix Calculations; Addition; Multiplication; Inverting - HP Mathematics II User Manual

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Matrix calculations
Some operations on symbolic matrices are done (not cove-
gjr
red by the 48SX intrinsic functions). The matrices are put into
the SYMBOLIC MATRIX WRITER and the matrix is put
*"**
on the stack by pushing ENTER.
Addition
Both matices are put into the matrix writer and added. An er-
ror message is given for wrong dimension.
Multiplication
Both matrices are put into the matrix writer and multiplied.
An error message is given for wrong dimensions. The first
matrix has to have the same number of columns as the sec-
ond has rows. Be aware of the order of the matrices.
Inverting
The mark is put into the matrix writer and inverted. An er-
^
ror message is given if its not quadratic.
Determinant
^T
The determinant of a symbolic matrix is calculated. The ma-
~~
trix is put into the matrix writer. An error message is given if
its not quadratic.
2. Linear algebra
16

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