TI-83 Plus
Matrices
256
Chapter 10:
Matrices
Getting Started: Systems of Linear
Equations
Getting Started is a fast-paced introduction. Read the chapter for details.
Find the solution of X + 2Y + 3Z = 3 and 2X + 3Y + 4Z = 3. On the
TI-83 Plus
, you
can solve a system of linear equations by entering the coefficients as elements in
a matrix, and then using
rref( to obtain the reduced row-echelon form.
1. Press
y
>
. Press
~
~
to display the
MATRX EDIT
menu. Press
1
to select
1: [A]
¸
2. Press
2
Í
4
Í
to define a 2×4 matrix.
The rectangular cursor indicates the current
element. Ellipses (
...
) indicate additional
columns beyond the screen.
3. Press
1
Í
to enter the first element. The
rectangular cursor moves to the second column
of the first row.
Содержание 83PL/CLM/1L1/V - 83 Plus Calc
Страница 228: ...TI 83 Plus Draw Instructions 225 DrawInv expression Note You cannot use a list in expression to draw a family of curves...
Страница 293: ...TI 83 Plus Lists 290 Using Lists in Graphing You can use lists to graph a family of curves Chapter 3...
Страница 407: ...TI 83 Plus Inferential Statistics and Distributions 404 Input Calculated results Drawn results...
Страница 412: ...TI 83 Plus Inferential Statistics and Distributions 409 Data Stats Input Calculated results...
Страница 446: ...TI 83 Plus Applications 443 3 Press to place the cursor on the prompt 4 Press to solve for the annual interest rate...
Страница 454: ...TI 83 Plus Applications 451 tvm_FV tvm_FV computes the future value tvm_FV PV PMT P Y C Y...