20021201
2-7-30
Using the Action Menu
u
u
u
u
u
eigVl
Function: Returns a list that contains the eigenvalue(s) of a square matrix.
Syntax: eigVl (Mat [ ) ]
Example: To obtain the eigenvalue(s) of the matrix [[3,4] [1,3]]
Menu Item: [Action][Matrix-Calculation][eigVl]
u
u
u
u
u
eigVc
Function: Returns a matrix in which each column represents an eigenvector of a square
matrix.
• Since an eigenvector usually cannot be determined uniquely, it is standardized as
follows to its norm, which is 1:
When V = [
x
1,
x
2, ...,
xn
], (
x
1
2
+
x
2
2
+ .... +
xn
2
) = 1.
Syntax: eigVc (Mat [ ) ]
Example: To obtain the eigenvector(s) of the matrix [[3,4] [1,3]]
Menu Item: [Action][Matrix-Calculation][eigVc]
u
u
u
u
u
rref
Function: Returns the reduced row echelon form of a matrix.
Syntax: rref (Mat [ ) ]
Example: To obtain the reduced row echelon form of the matrix [[2,–1,3,19] [1,1, –5,–21]
[0,4,3,0]]
Menu Item: [Action]
[Matrix-Calculation][rref]
u
u
u
u
u
ref
Function: Returns the row echelon form of a matrix.
Syntax: ref (Mat [ ) ]
Example: To obtain the row echelon form of the matrix [[1,2,3] [4,5,6]]
Menu Item: [Action][Matrix-Calculation][ref]
