Using Math Functions With Matrices - Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book

Using Math Functions with Matrices

Using Math Functions with Matrices
You can use many of the math functions on the TI-84 Plus keypad, the
menu, and the
MATH TEST
Each of the functions below creates a new matrix; the original matrix remains the same.
Addition, Subtraction, Multiplication
To add or subtract 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
of .
matrixB
matrixA matrixB
...
Multiplying a by a
matrix
is multiplied by .
value
matrix ... value
value ... matrix
menu with matrices. However, the dimensions must be appropriate.
or a by a
value value matrix
MATH
must match the row dimension
matrixA
returns a matrix in which each element of
Chapter 10: Matrices
menu, the
MATH NUM
matrix
151