Using math functions with matrices, Addition, subtraction, multiplication – Texas Instruments TI-84 User Manual
Page 234
Chapter 10: Matrices
231
[matrix](row,column)
Using Math Functions with Matrices
Using Math Functions with Matrices
Using Math Functions with Matrices
Using Math Functions with Matrices
Using Math Functions with Matrices
Using Math Functions with Matrices
Using Math Functions with Matrices
Using Math Functions with Matrices
You can use many of the math functions on the TI-84 Plus keyboard, the
MATH
menu, the
MATH NUM
menu, and the
MATH TEST
menu with matrices. However, the dimensions
must be appropriate. Each of the functions below creates a new matrix; the original matrix
remains the same.
Addition, Subtraction,
Addition, Subtraction,
Addition, Subtraction,
Addition, Subtraction, Multiplication
Multiplication
Multiplication
Multiplication
To add (
Ã) or subtract (¹) matrices, the dimensions must be the same. The answer is a
matrix in which the elements are the sum or difference of the individual corresponding
elements.
matrixA+matrixB
matrixA
N
matrixB
To multiply (
¯) two matrices together, the column dimension of
matrixA
must match the
row dimension of
matrixB
.