HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 572)

100

101

An attempt to store an element to a row or column beyond the size of the matrix results in resizing the matrix

to allow the storage. Any intermediate cells will be lled with zeroes.

Matrix references

M1(1,2) returns the value in the rst row and second column of matrix M1. M1(1) returns the rst row of

M1 as a vector. In Home view,

M1(-1) returns the rst column of M1 as a vector. In CAS view, this command

cannot be used with negative arguments.

M1({1,2}) returns the rst two rows of M1. M1({1,1},{2,2}}) extracts a sub-matrix from the

element in the

rst row and column to the element in the second row and column. If M1 is a vector, then

M1({1,3}) extracts a sub-vector of the rst three elements.

Sending a matrix

You can send matrices between calculators just as you can send apps, programs, lists, and notes. See

“Sharing data” for instructions.

Matrix arithmetic

You can use the arithmetic functions (+, –, ×, ÷, and powers) with matrix arguments. Division left-multiplies

by the inverse of the divisor. You can enter the matrices themselves or enter the names of stored matrix

variables. The matrices can be real or complex.

For the next examples, store [[1,2],[3,4]] in M1 and [[5,6],[7,8]] in M2.

1. Select the rst matrix:

(Matrix)

2. Enter the matrix elements:

1 2 3 4

524 Chapter 26 Matrices

1 2 ... 567 568 569 570 571 572 573 574 575 576 577 ... 700 701

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HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 572

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