MATLAB Simulation

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Questions related to MATLAB Simulation

MATLAB m file runs an error, what happened?

First, all the input variables of function are in the workspace. Then, I enter the function in the command window like this and I can get the results: However, directly running in the m file ,...

07 July 2016 9,310 6 View

How to use MATLAB to ignore the very small coefficient in a function ?

how to use MATLAB to ignore the very small coefficient in a function ? For example, there is a function f = - 5.55112*10^(-16)*t^5 + t, how can I get f = t ?

07 July 2016 3,960 2 View

How to plot multiple datasets onto one figure in curve fitting toolbox?

Hi everybody I'm using curve fitting tool of MATLAB for fitting a curve to my x-y data.I want to plot multiple data sets ((x1,y1),(x2,y2),(x3,y3),....) onto one figure after fitting a curve to...

07 July 2016 6,896 3 View

I wish to use neural network using nntool of matlab for Devnagari Numeral Recognition, but getting error - ".Out of memory...". Can anybody help me?

The objective is offline handwritten Devnagari numeral recognition for which some features are extracted. · Training Data: handwritten hindi numerals - 10 numerals with 200 samples for each...

07 July 2016 1,491 3 View

How to write Rule in Matlab for Sugeno FIS?

I have a dataset containing water physicochemical data of 59 location.I want to generate Interpolation surfaces for all parameters. my inputs are E and N of UTM coordinate system and output is...

07 July 2016 1,915 3 View

Error using iwgdx in matlab for Gams and matlab interface

Hello. Can anybody help me about using iwgdx inorder to linking matlab and Gams. matlab give me the error : 'Undefined function for input argument of type 'char' '. I can use wgdx and rgdx but...

07 July 2016 4,721 4 View

Can you help me? How to build a test system based on fact, for study power system?

reality test system

07 July 2016 7,341 3 View

Is it possible to feed the data output from MATLAB model or script files to ETAP simulation?

Dear all, I need to extract the data/ optimized parameters obtained from the optimization algorithm written as MATLAB script into ETAP simulation of power grid. is it possible in any simpler...

07 July 2016 6,416 3 View

How can i select equal distances points from a set of points using MATLAB ?

assume a list of points or nodes. each one of them has x and y coordinates . the distance between two points i and j equal D(i,j)= sqrt((xi-xj)^2+(yi-yj)^2). now, i want to select a set of these...

07 July 2016 9,815 3 View

Does anybody have good refrence for matlab simulation?

i want to simulating electrical circuits and Synchronous machine.

07 July 2016 9,820 12 View

Why ROC Curves developed by MATLAB tools are not completely consistent with ROC curves plot from "Principles of underwater sound" (Urick, 1983)?

The mean processed signal to noise ratio was calculated to be 30 dB for the Raytheon sonar, and 13 dB for the Klein sonar. Using the Receiver Operating Characteristic (ROC) curve displayed (figure...

07 July 2016 5,549 2 View

How to use Epanet in matlab??

hi there,I am working on water distribution system,To implement the simulation i need check the nodes pressure with Epanet, but i don't know how to use it in matlab I will be thankful if you help...

07 July 2016 5,742 5 View

How to decode unequal energy symbols in a SFBC OFDM system?

I am simulating a SFBC OFDM system in MATLAB for 4 transmit antennas and one receive antenna system (G4 code with rate 1/2) using 16 QAM as baseband modulation technique. The code works well for...

07 July 2016 9,256 3 View

In Waves to freq spectrum using fast Fourier transform- Wats the role of zero padding & Nyquist theorm? why not freq domain length=time domain length?

I am trying to convert random wave into number of uniform sine waves (frequency spectrum) using FFT in MATALB. My concern is to optimize the selection of the best 3-5 sine waves and create the...

07 July 2016 7,635 6 View

How to decode unequal energy symbols in a SFBC OFDM system?

I am simulating a SFBC OFDM system in MATLAB for 4 transmit antennas and one receive antenna system (G4 code with rate 1/2) using 16 QAM as baseband modulation technique. The code works well for...

07 July 2016 1,290 3 View

Error using iwgdx in matlab for Gams and matlab interface

Hello. Can anybody help me about using iwgdx inorder to linking matlab and Gams. matlab give me the error : 'Undefined function for input argument of type 'char' '. I can use wgdx and rgdx but...

06 July 2016 4,541 4 View

Helping to find transfer function for stepper motor 2-phase to use it in MatLAB/Simulink?

i build electro-mechanical system and i used stepper motor to move this system so i need to get transfer function for stepper motor to control the position of the shaft motor.

01 July 2016 6,429 5 View

How to identify the distribution of the data set in matlab?

Given a data set (.mat file). How can I identify the distribution (Normal, Gaussian, etc) of the data in matlab? Is there any built-in function that helps to do this? For example, I'd like to...

30 June 2016 5,213 3 View

Modeling adsorption cooling with Thermolib module for MATLAB Simulink?

Hello, Is it possible to use Thermolib to model an adsorption cooling / adsorption air conditioning process? I know that Thermolib has pre-built blocks for evaporator and condenser, and can be...

23 June 2016 6,336 3 View

In MATLAB simulink I tried to connect 3-phase voltage source to Induction motor to study the starting characteristics but following error is coming?

The following two blocks cannot be connected in series: Block 1: 'A_stator: Asynchronous Machine pu Units'Block 2: 'phase_A: Three-Phase Source' The first block, modeled as a current source,...

22 June 2016 2,289 6 View

How to define the sampling time in a system of Simscape Power System Blocks without accuracy lost important with a reasonoable speed?

Hi my fellows, I'm trying to simulate a subsystem during a time around a whole day (3600*24) in Simscape Power System of Matlab/Simulink, but i don't know what is the best way to do it without...

20 June 2016 5,630 7 View

How to use binary variables in MATLAB?

Trying to solve an MINLP optimization problem which needs defining two disjunctive, semi continuous, and unrestricted in sign variables. As far as I know I have to be able to use binary variables...

06 June 2016 687 3 View

Eigenvalues of random cases in matlab?

I am calculating eigen values and eigen function with eig function in matlab ,but it is giving wrong answers ,means accuracy wise, is there any other function in matlab ,like in numerical recipes...

06 June 2016 9,034 11 View

How to use Neural Networks tool in MATLAB for application in Internal Combustion Engines?

In MATLAB we generally give Inputs and Target output values corresponding to target input values. For example, I have given values Load, Speed as Input and NOx, Smoke as output. Input Speed is...

06 June 2016 6,557 3 View

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