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Fx 5800 find eigenvalue

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SOURCE: I want to calculate eigenvalue by Algebra fx

Only FX 2 Plus can calculate Eigenvalue and Eigenvector
On main menu num 9 (CAS)

Posted on Oct 31, 2010


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How do I Calculate eigenvalues?

Let [A] be the square matrix (n*n)
The eigenvalues (call a generic one lambda) are such that
[A][X]=lambda[X] where [X] is some n-vector. Let [I] be the n*n identity matrix. Then lambda [X]= lambda [I][X] and the eigenvalues verify the matrix equation
[A-lambda I][X]=0
The eigenvalues are the roots of the polynomial equation obtained by setting det([A-lambda I])=0. Solving this n-degree polynomial equation will give you the eigenvalues.

Jun 22, 2014 | Office Equipment & Supplies

1 Answer


I am sorry to disappoint you but the Casio FX-986G does not handle the calculations of the eigenvalues and eigenvectors of matrices. Maybe the newer OS versions can do that.
The Graph 100+ sold in Europe (I forgot the equivalent model in North America, maybe the FX9860GII Plus) can find eigenvalues and eigenvectors. Here is how it does it. See screen capture below. Compare with your calculator to see if you have the EigVl( and EigVc( commands in the catalog.


Jan 23, 2014 | Casio FX-9860G Graphic Calculator

1 Answer

Matrix casio fx9750giihow can I find eigenvalues and eiginvectors for a matrix in my calculator? :)

This calculator cannot find eigenvalues and eigenvectors of matrices for you. The calculator does have many row and column operation that you can use to solve your problem. You need to know the theory of matrices, determinants, and some eigenvalue and eigenvector finding algorithms.

Dec 13, 2013 | Office Equipment & Supplies

1 Answer

Fx calculator algebra eigenvector casio

You cannot calculate eigenvalues or eigenvectors with this calculator. But here is a bit of the theory of the eigenvalues .

Nov 14, 2013 | Casio FX991MS Scientific Calculator

1 Answer

Calculators fx algebra

The FX-991ES Plus barely handles simple operations on matrices of dimensions up to 3X3. It cannot find eigenvalues or eigenvectors.

Oct 24, 2013 | Casio Brand New-Fx-991es Plus - Scientific...

1 Answer

Obtain eigen value 1 equation

Use the Command rFactor or factor. See screen capture, it being understood you want to factor polynomials. Read the manual for additional information.

Sep 11, 2013 | Casio Algebra FX 2.0 Calculator

1 Answer

How i can find eigenvalue whit algebra calculator

In answering your other question I did make a mistake: I looked at the wrong version of the manual. The Algebra FX 2 Plus does solve for eigenvalues. Under the CAS. Here is a screen capture to help you.


Jun 30, 2011 | Casio Algebra FX 2.0 Calculator

1 Answer

Finding eigenvalue whit algebra

I do not own that calculator so I checked the manual. In the chapter Manual calculations it explains the use of matrices but not a single reference to eigenvalues or eigenvectors. I looked also in the advanced functions chapter but nothing on eigenvalues. I believe you will have to use the general algebraic methods for calculating eigenvalues: characteristic polynomial and its solutions. Set up the equation det (Mat A -lambda Mat I)=0 where A is your original matrix and I is the Identity matrix with same dimensions as A. The determinant will give you a polynomial equation in the eigenvalue lambda. the degree of the polynomial will be equal to the dimension of the matrix. You might want to feed the equation to the polynomial solver to find some eigenvalues.

Jun 30, 2011 | Casio Algebra FX 2.0 Calculator

1 Answer

I want to calculate eigenvalue by Algebra fx can I do that? thanks

Only FX 2 Plus can calculate Eigenvalue and Eigenvector
On main menu num 9 (CAS)

Jul 08, 2010 | Casio Algebra FX 2.0 Calculator

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