TI -86 用户手册
Chapter 20: A to Z Function and Instruction Reference
281
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 281 of 118
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 281 of 118
det
MATRX MATH menu
det
squareMatrix
Returns the determinant of squareMatrix. The result is
real for a real matrix, complex for a complex matrix.
real for a real matrix, complex for a complex matrix.
[[1,2][3,4]]¶MAT b
[[1 2]
[3 4]]
det MAT b
L
2
DifEq
† mode screen
DifEq
Sets differential equation graphing mode.
dim
MATRX OPS menu
VECTR OPS menu
dim
matrix
Returns a list containing the dimensions (number of
rows and columns) of a real or complex matrix.
rows and columns) of a real or complex matrix.
dim
vector
Returns the length (number of elements) of a real or
complex vector.
complex vector.
[[2,7,1][
L
8,0,1]]¶MAT b
[[2 7 1]
[
L
8 0 1]]
dim MAT b
{2 3}
dim [
L
8,0,1] b
3
¶
dim
X
, then MATRX OPS
menu
X
, then VECTR OPS
menu
{
rows
,
columns
}
¶
dim
matrixName
If matrixName does not exist, creates a new matrix
with the specified dimensions and fills it with zeros.
with the specified dimensions and fills it with zeros.
If matrixName exists, redimensions that matrix to the
specified dimensions. Existing elements within the new
dimensions are not changed; elements outside the new
dimensions are deleted. If additional elements are
created, they are filled with zeros.
specified dimensions. Existing elements within the new
dimensions are not changed; elements outside the new
dimensions are deleted. If additional elements are
created, they are filled with zeros.
[[2,7][
L
8,0]]¶MAT b
[[2 7]
[
L
8 0]]
{3,3}¶dim MAT b
{3 3}
MAT b
[[2 7 0]
[
L
8 0 0]
[0 0 0]]