Question about Casio FX-115ES Scientific Calculator

# How to compute a matrix - Casio FX-115ES Scientific Calculator

Posted by on

### k24674

• Level 3:

An expert who has achieved level 3 by getting 1000 points

Superstar:

An expert that gotÂ 20 achievements.

All-Star:

An expert that gotÂ 10 achievements.

MVP:

An expert that gotÂ 5 achievements.

• Casio Master

1. First you must set Matrix calculation: Press [MODE][6:Matrix].
2. Then by entering one of the numbers [1:MatA] or [2:Matb] or [3:MatC] you get to choose the dimensions of the matrix (mxn].
3. Once finished entering the matrix you clear the screen.
4. The operations on A SINGLE matrix are available by pressing [Shift][Matrix].
5. The choices are
• [1:Dim] to change the dimension of a matrix (in fact redefining the matrix)
• [2:Data] enter values in a matrix
• [3:MatA] access Matrix A
• [4:MatB] access Matrix B
• [5:MatC] access matrix C
• [6:MatAns] access the Answer Matrix (the last matrix calculated)
• [7:det] Calculate the determinant of a matrix already defined
• [8:Trn] The transpose of a matrix already defined

Once you have created a square matrix, for example matA.
You press
[Shift][Matrix] [7:det] [SHIFT][MATRIX][3:MatA], close the parenthesis and press [ENTER].

If you have defined two similar matrices (same number of row and same number of columns) you can ADD them or subtract them. The operation keys are Plus and Minus as for any number.
To multiply you use the multiplication sign. The matrices must be compatible (mxn) multiplied by (nxk).

Posted on Aug 11, 2011

×

my-video-file.mp4

×

## Related Questions:

### Casio fx 191es

Use the Matrix Computational mode.
Select a Matrix label A, B or C Press EXE
Select the dimension (mXn)
A template opens to allow you to enter the coefficients.
You need to read about what kind of operations you can perform on matrices (addition, multiplication, raising to a power, etc.)

Nov 29, 2013 | Office Equipment & Supplies

### My toyota matrix is shifting hard and the check engine light is on?

You need to have the computer scanned for trouble codes to proceed.
Most auto parts stores can scan for free in hopes of selling you some parts.
Once you have the codes you can research them online.

Dec 11, 2012 | 2006 Toyota Matrix

### How do you compute a matrix on a ti-34

The TI-34 doesn't work with matrices.

Even if it did, you'd have to define what you mean by "compute." There are a lot of things that can be computed from a matrix, such as determinant, row and column norms, inverse, and eigenvalues.

Nov 21, 2012 | Texas Instruments TI-34 Scientific...

### How do I connect my Matrix m1 mobile phone to the internet?

How to Use the Pantech Matrix for the Internet1.Press the "Menu" key on your Pantech Matrix and click "Settings.

Jul 21, 2011 | Pantech Matrix Cell Phone

### How to find rank of matrix using casio991 es??

The FX-991ES offers simple matrix operations like basic arithmetic, plus the slightly more complex operations determinant and inversion. Furthermore, it is limited to matrices with a maximum size of three rows and three columns.

The rank of a matrix is defined as the number of linearly independent row or column vectors. You can perform a simple partial test for square matrices by calculating the determinant of the matrix:
1. Enter the matrix into matrix variable MatA.
2. Press [SHIFT] [4] [7] [SHIFT] [4] [3] [)] [=]
The display now should show det(MatA) and the determinant of the matrix in the result. If the determinant is not 0, the rank of the matrix equals the dimension of the matrix, otherwise the rank is less than the dimension.

Unfortunately, this is all support the calculator offers. For small matrices (i.e. 4x4 or smaller), you should familiarize yourself with the Gau? Elimination Method algorithm for solving linear equation systems. It is a two-step procedure where a matrix first is converted to its row echelon form, and second to row canonical form to solve the LES.
You need to follow the algorithm only through the first part, the number of non-zero rows after this step equals the rank of the matrix. With a little exercise you will be able to do it faster on paper than trying to do it with your calculator only.

For larger matrices I suggest to use a PC with more powerful math software (Maple, Mathematica, ...) or, if you know some basic computer programming, just write the necessary program yourself, which is also a very good exercise both in programming and understanding the algorithm.

Jan 16, 2011 | Casio FX-115ES Scientific Calculator

### My computer doesnot identify by epson dotmatrix printer

Dot Matrix printers were never made 'Plug and Play"

You have to hard install them with the driver disk, most setups for dot Matrix can be downloaded from epson and the L300 is definitely there in support download drivers

please rate my help++++Thanks for using FIXYA

Jun 23, 2010 | Epson LX-300 Matrix Printer

### I have installed my Matrix webcam but the

Skype have a very good audio set up to follow -on how to set up your mic from the control panel

Vista:
http://www.skype.com/intl/en-us/support/user-guides/sound-setup-vista/

Windows XP:
http://www.skype.com/intl/en-us/support/user-guides/sound-setup-xp/

The only thing I would add is to restart your computer before configuring the mic to your chat program

Jun 20, 2010 | Computers & Internet

### Set the Battery Date on a Matrix 3000 UPS

According to the user manual (available here: http://www.refurbups.com/KB-M-Matrix) this can only be reset by using the PowerChute software available from www.apc.com and requires the unit to be connected to a computer.

Mar 06, 2010 | APC Matrix-UPS 3000VA UPS System

### Toyota matrix how do I get the maint required

A plug in computer reader is needed to reset the computer. Did a shop do the work? - they should know better. Take it back and have'em reset it. If you did it, then you could buy the reader (expensive) or go the way of the shop option

Mar 05, 2010 | 2006 Toyota Matrix

2,851 views

Level 3 Expert

Level 3 Expert