HP 15C Uživatelský manuál stáhnout pdf (Strana 175)

Section 12: Calculating with Matrices 175

Several matrix functions operate on the matrix specified in the X-register

only and store the result in the same matrix. For these operations the

contents of the stack (including the LAST X register) are not moved 

although the display changes to show the new dimensions if necessary.

For the > 7, > 8, and > 9 functions, the matrix

descriptor specified in the X-register is placed in the LAST X register and

the norm or (for > 9) the determinant is placed in the X-register. The

Y-, Z-, and T-registers aren't changed.

When you recall descriptors or matrix elements into the X-register (with the

stack enabled), other descriptors and numbers already in the stack move up

in the stack  and the contents of the T-register are lost. (The LAST X

stack (and the LAST X register) isn't changed.

In contrast to the operation described above, the O| and l|

functions do not affect the LAST X register and operate as shown on the

next page.

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HP 15C Uživatelský manuál Strana 175