Matrix and Vector TI89 App with Step by Step Solutions

Version 5.0

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Option	F1 Exit	F2 Vectors	F3 Stepwise	F4 Apply	F5 Do1	F6 Do2	F7 Edit/View
1	Play Yahtzee	Read Intro to Vectors	Find Inverse(A)	Solve any 2x2 system, show steps, graph solution	Read Intro to Matrices	Find Norm of each  Row of A	Enter Matrix A ( row-wise entry)
2	About the Author	Graph vectors A or A+B	Find Determinant(A)	Solve any nxn system using Matrices A and B.	Find k*A	Find RowEchelonForm of A , show steps if desired.	Enter Matrix B (row-wise entry)
3	Exit	Given 2 points	Rule of Sarrus(A)	Analyze System A	Find A+B	Find Reversed RowEchelonForm of A, show steps if desired.	View Matrix A
4		Find Length of A	RowEchelon(A)	Solve A*X=B	Find A-B	QR Factorization of A	View Matrix B
5		Find UnitVector of A: A/|A|	ReverseRef(A)	Solve AX=B containing a Parameter. Checks solutions for each case. Steps	Find A*B	Lower Upper  Factorization of A	Swap Matrix  A with B
6		Find Angle between Vector A and x-axis.	A=LU Decomposition Factorization	Solve AX=B containing 2 Parameters. Checks solutions for each case. Steps	Find B*A	Find OrthoNormal Basis of A	View AT
7		Convert Vector to Polar Coordinates	Cramer Rule	Simplex Algorithm (A)	Find Determinant(A)	Nullity of A	Save AT as A
8		Find Angle between Vectors A and B	Solve any 2x2 system, show steps, graph solution	Show Magic Squares (3x3 and 4x4)	Find A-1	NullSpace of A	View BT
9		Find DotProduct of A and B	Solve any nxn system using Matrices A and B.	Rotate Points (x,y) N degrees using Rotation matrix.	Find rank(A)	NullSpace Basis of A	Save BT as B
A		Test Orthogonality	Find OrthoNormal Basis of A		Find  An	RowSpace Basis of A	Create Random Matrix A
B		Find CrossProduct of A and B	Gram Schmidt(A)		Find Trace of A	Col. Space Basis of A	Create Random Matrix B
C		Find Orthogonal Vector	Diagonalization (A)		Multiply Row of A	Find Max of each column of A	Swap 2 rows(A)
D		Test Independence	Solve AX=B containing 1 Parameter. Checks solutions for each case. Steps		Multiply Row of A and add to other row	Find Mean of each column of A	Swap 2 rows(B)
E		Distance A to B	Solve AX=B containing 2 Parameters. Checks solutions for each case. Steps		Multiply Row of A and subtract other row	Find Median of each column of A	Augment A
F		Project A onto B	Simplex Algorithm (A)		Find Conjugate of A	Find Sum of each column of A	Augment B
G		Find Distance from Point to Plane	Find Eigenvalue of A		Find Eigenvalue of A	Find cumulative  column sum of A	Select SubMatrix  of A
H		Find Plane	Find Eigenvector of A		Find Eigenvector of A	Round(A)	Select SubMatrix  of B
I		Vector Differentiation	Find Square Root (A)		Diagonalization(A) = P*A*P-1	Round Up(A)	View Diagonal of A
J		Vector Integration	Analytic Geometry		Find Norm of A	Round Down(A)	View Diagonal of B
K		Circle/Sphere Equation			Find Norm of each  Column of A		Show Row Dimensions of A
L					Find Square Root (A)		Show Column Dimensions of A
M							Show Row  Dimensions of B
N							Show Column  Dimensions of B
O							View A as list
P							View B as list
Q							View A in Binaries
R							View B in Binaries
S							View A in Hexadecimals
T							View B in Hexadecimals

2.12  Analytic Geometry 

The following gives an overview of all functions in the Analytic Geometry Module:  

ANALYTIC GEOMETRY