Push_Identity_Mat - Texas Instruments TI-89 Developer's Manual

Appendix A: System Routines — Lists and Matrices

push_identity_mat

Declaration: void push_identity_mat (EStackIndex size )
Category(ies): Lists and Matrices, Math
Description: Pushes onto the estack the identity matrix using the expression indexed by
size to specify the size.
size — Indexes the expression specifying the size of the identity matrix
Inputs:
Outputs: None
Assumptions: The input expression must be a positive integer.
Side Effects: None
Availability: On AMS 2.00 and higher.
TI-89 / TI-92 Plus
Differences: None
See Also: None
Example: This example augments a matrix with the identity matrix.
EStackIndex mat;
.
.
.
/* Assume matrix already on estack */
mat = top_estack;
push_rowdim( mat );
push_identity_mat ( top_estack );
push_augment( mat, top_estack );
TI-89 / TI-92 Plus Developer Guide
to push on the estack.
Not for Distribution
693
Beta Version January 26, 2001