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Matrix of complex numbers - Casio ClassPad 330 Graphing Calculator

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What is the Question?
To be able to manipulate complex matrices, open the Setup basic Format. Under the Advanced heading in the middle of the window check Complex Format.
See the screen captures below.

matrix of complex numbers - b3c12bdd-808e-4061-ba6d-53c56350a9aa.png
779ebea0-390e-4ceb-ad70-5ba60d1e6fd4.png

Posted on Nov 25, 2013

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1 Answer

How to use complex numbers in a matrix using casio calculator


Sorry, you cannot do that. If matrix is small split it in imaginary part and real part . This will double the dimensions. But this family of calculators you can have matrices with dimensions at most equal to three. Do the calculation by hand.

Dec 30, 2015 | Casio Scientific Calculator Fx-570 Fx570...

1 Answer

Complex matrix


Is it complex or matrix? You can have only one mode at a time.What kind of equations? The solve function uses real-valued equations.
Complex numbers: You can add, subtract, multiply and divide. You can convert a number from rectangular to polar forms and vice-versa; you can calculate the absolute value of a complex number, or a conjugate.
All the operations are done in the Mode CMPLX.

Feb 04, 2014 | Casio FX991MS Scientific Calculator

1 Answer

Is fx 115ES supports matrix with complex numbers as elements..if not please suggest one...


The calculator barely handles matrices of up to 3X3. Matrices with complex coefficients are well beyond its capabilities.

Oct 13, 2013 | Casio FX-115ES Scientific Calculator

1 Answer

Complex matrix


Please consult your calculator's manual. You will find out that it does not perform complex number calculations nor matrix calculations. Thus there is no way to do complex matrix calculations.

Aug 24, 2013 | Casio fx-300ES Calculator

1 Answer

Solve complex matrix


This calculator can do some arithmetic with complex numbers, and it can do some operations with matrices. Unfortunately the two do not intersect. You cannot do complex matrix operations with this calculator.
Sorry if that wasn't the answer you wanted to see. That's just the way the calculator works.

Apr 28, 2012 | Casio FX-115ES Scientific Calculator

1 Answer

I want to know how to solve a matrix with complex numbers in a TI-84 plus calculator!


The TI-84 allows only real numbers in a matrix.

You can write programs to deal with complex numbers in lists, simulating matrices. One such program is at http://www.ticalc.org/archives/files/fileinfo/250/25081.html

Feb 02, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

Im trying to multiply matrices on my calculator and it always says "dim mismatch"


Dimensions of matrices involved in operations must match.

Here is a short summary

You can only add and subtract matrices that have the same dimensions: the numbers of rows must be equal, and the number of columns must be equal.

The multiplication of structured mathematical entities (vectors, complex numbers, matrices, etc.) is different from the multiplication of unstructured (scalar) mathematical entities (regular umbers). As you well know matrix multiplication is not commutative> This has to do with the dimensions.

An mXn matrix has m rows and n columns. To perform multiplication of an kXl matrix by an mXn matrix you multiply each element in one row of the first matrix by a specific element in a column of the second matrix. This imposes a condition, namely that the number of columns of the first matrix be equal to the number of rows of the second.
Thus, to be able to multiply a kXl matrix by am mXn matrix, the number of columns of the first (l) must be equal to the number of rows of the second (m).
Let there be two matrices MatA and MatB. The dimensions are indicated as mXn where m and n are natural numbers (1,2,3...)
The product MatA(kXl) * MatB(mXn) is possible only if l=m
MatA(kX3) * MatB(3Xn) is possible and meaningful, but
MatA(kX3) * MatB(nX3) may not be possible.

To get back to your calculation, make sure that the number of columns of the first matrix is equal to the number of rows of the second. If this condition is not satisfied, the calculator returns a dimension error. The order of the matrices in the multiplication is, shall we say, vital.

Oct 30, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How to multiply two matricies?


Let me explain how to create matrices. (If you know how to do it, skip to the operations on matricies, at the end.)

First you must set Matrix calculation
[MODE][6:Matrix]. 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]. Once finished entering the matrix you clear the screen.
The operations on matrices are available by pressing [Shift][Matrix]
[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

To add matrices MatA+MatB
To subtract MatA-MatB
To multiply MatAxMatB
To raise a matrixe to a power 2 [x2], cube [x3]
To obtain inverse of MatA already defined MatA[x-1] [x-1] is the x to the power -1 key
Dimensions of matrices involved in operations must match.
Here is a short summary

The multiplication of structured mathematical entities (vectors, complex numbers, matrices, etc.) is different from the multiplication of unstructured (scalar) mathematical entities (regular umbers). As you well know matrix multiplication is not commutative> This has to do with the dimensions.

An mXn matrix has m rows and n columns. To perform multiplication of an kXl matrice by an mXn matrix you multiply each element in one row of the first matrix by a specific element in a column of the second matrix. This imposes a condition, namely that the number of columns of the first matrix be equal to the number of rows of the second.
Thus, to be able to multiply a kXl matrix by am mXn matrix, the number of columns of the first (l) must be equal to the number of rows of the second (m).

So MatA(kXl) * MatB(mXn) is possible only if l=m
MatA(kX3) * Mat(3Xn) is possible and meaningful, but
Mat(kX3) * Mat(nX3) may not be possible.

To get back to your calculation, make sure that the number of columns of the first matrix is equal to the number of rows of the second. If this condition is not satisfied, the calculator returns a dimension error. The order of the matrices in the multiplication is, shall we say, vital.

Mar 06, 2010 | Casio FX-115ES Scientific Calculator

2 Answers

I put my MatA and MatB but when I multiply them it displays a dimension erreor


I know this is a long time ago, but i am sure someone might ask eventually this same question.For the Casio fx-115es here are the instructions:go to mode, matrix, and pick the matrix you want to you.. you only have 3 options.create your matrix and press AC.Here is the tricky part, DO NOT go to mode again, that will reset your matrices that you have entered. Instead, press shift and the number 4 key, which is also matrix, go to press 1 (DIM), chose the other matrix to enter, and you can start mult, adding, etc.Any time you want to use the entered matrices, go through the matrix function, not the mode function.

Dec 12, 2009 | Casio FX-115ES Scientific Calculator

2 Answers

Using imaginary numbers in a matrix


Press MODE and select one of the two complex modes.

Mar 30, 2009 | Texas Instruments TI-84 Plus Calculator

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