Matrix Operations on the TI-89 - homepagesmathuicedu
(rref): Press [2nd][MATH] select [4:Matrix] Select the desired form followed by the name of the matrix and press enter For example: Inverse Matrices: Select the name of the matrix and raise it to the –1 power The matrix A above is not invertible so we consider If you want your results in fractions select [Exact/Approx] after pressing [MODE]
Matrix and Vector Commands on the TI89
Matrix and Vector Commands on the TI89 I Defining matrices and vectors: A From the keyboard: 1 The format for an m x n matrix is [ [r 1] [r 2] [r m]], where each r i is a list of the n entries in the ith row Note that there are no commas between the rows Example: The 2x3 matrix is entered as [[2, 1, 0][1, 2,3]]
Linear Algebra and TI 89 - Illinois Institute of Technology
adjacency matrix The adjacency matrix is defined as the matrix A= aij , where 1, {}, is an edge of the graph 0, otherwise ij ij if v v a = For the complete graph on four vertices, the adjacency matrix is given by We enter this matrix as a and evaluate det(a) to get as the determinant of the graph and evaluate eigvl(a) to get
Augmented Matrix Solutions on the TI-89 - Wrean
The material shown below demonstrates how to use the TI-89 to use the augmented matrix method of solving linear systems and to put matrices in reduced row-echelon Example Solve the given system of equations Using Reduced row-echelon form (rref) to Solve Linear Systems It is often easier to store the matrix you are working on in a memory location
CALCULATOR QUICK REFERENCE GUIDE and INSTRUCTIONS TI-89
TI-89: Green diamond, F2 Voyage: Green diamond, E Note: If the resolution (xres) accidentally gets erased or changed, default is 2 3 To make sure the curve will actually graph: In y =, make sure there is a check mark beside your equation F4 is on/off toggle 4 Graph Equation TI-89: Green diamond, F3 Voyage: Green diamond, R 5 Zooming
TI-89 Titanium
Use the TI-Presenter video adapter to connect the TI-89 Ti tanium to video display/recording devices, such as TVs, VCRs, video cameras, and computer projectors The TI ViewScreen overhead panel lets you project an enlarged image of the TI-89 Titanium display so an entire class can view it How to use this guidebook
Calculating Mean and Standard Deviation – Ti-89
Calculating Mean and Standard Deviation – Ti-89 (You can use the Ti-89 to calculate the mean and standard deviation of either lists or matrices You’ll be learning about matrices later in Math 185, so I’ll just show you how to do them for
Effectuer un calcul matriciel TI Matrices 89-Titanium Calcul
TI 89-Titanium? On donne 2 3 1 3 A et 367 154 B 1 Calculer 5A, A3, A B 2 Calculer A-1 3 Calculer At? Saisir une matrice Accéder à l'application Data/Matrix Editor (touche APPS) Sélectionner 3 : New Compléter la boite de dialogue comme ci-contre Variable désigne le nom de la matrice choisie Rowdimension désigne le nombre de lignes
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Matrix Operations on the TI-89 Written by Jeff O'Connell - joconnell@ohlone.edu Ohlone College http://www2.ohlone.edu/people2/joconnell/ti/ Entering a Matrix: Press [APPS] and select [Data/Matrix Editor]. Select either 1:Current, 2:Open..., or 3, New where appropriate. Selecting New and entering the information about the matrix as follows: Press[HOME] to return to the Home screen. Now pressing a and [ENTER] will show you the matrix. Row Operations: The Row operations can be found by pressing [2nd][MATH] selecting [4: Matrix] and selecting [J: Row ops]. Row ops is far enough down the list that moving up the list is faster. Here are examples of row operations: Swap rows 1 and 2 R
1 !R 2Multiply row 3 by 4 4R
3 !R 3Add -4 times row 1 to row 2 !4R
1 +R 2 "R 2Note: If you are doing many row operations on the same matrix you should use [ANS] instead of the name of the matrix after the first row operation. Row Echelon Form (ref) and Reduced Row Echelon Form (rref): Press [2nd][MATH] select [4:Matrix]. Select the desired form followed by the name of the matrix and press enter. For example: Inverse Matrices: Select the name of the matrix and raise it to the -1 power. The matrix A above is not invertible so we consider If you want your results in fractions select [Exact/Approx] after pressing [MODE]. Set the calculator to [2: EXACT] then all computations will come out in fractions. Addition and Multiplication: These operations are done with the regular multiplication and addition keys along with the names of the matrices. For example consider the matrices B and C shown on the left with the computations shown on the right.
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