MATLAB Simulation

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Questions related to MATLAB Simulation

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 5,341 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 6,451 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 2,410 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 5,779 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 781 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 9,225 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 6,670 3 View

How to make ida curve pga vs DM ?

i wanna ask that i have done IDA .i have done IDA , i have used 13 PGA ( 0.05,0.15,0.35, 0.55, 0.65,0.75,0.80,0.90,0.95,1,1.05,1.2,1.3).. and every PGA has 20 earthquake records . i also Get...

06 June 2016 4,760 1 View

Could anybody help me out in ode15s solver of MATLAB?

I am getting a problem to find the solution of DAE by stiff solver ode15s in MATLAB. The warning, reflected in command window is "Warning: Failure at t=2.100000e+000. Unable to meet integration...

06 June 2016 450 5 View

While using fuzzy logic tool box in MATLAB, is there any restriction in the number of rules and the membership functions that we define?

Is there any limitation for the number of rules and the number of membership functions that we define for a particular problem? The more the number of membership functions i define, the more...

06 June 2016 864 12 View

What does a complex value as power mean while doing a cross power spectral density?

Signal from two different points in space are used to compute the cross power spectral density. I used CPSD function in MATLAB. Command is [power,frequency] =...

06 June 2016 2,968 3 View

How can I simulate a CCD camera in Matlab for doing Double Random Phase Encoding?

Dear all, I am a starter in Double Random Phase Encoding (DRPE). According to what I understand from imaging through camera, if we have a signal like f(x,y)*exp(2pi*j*ph(x,y)) and we use a CCD...

06 June 2016 2,672 1 View

Which distribution simulator is best suitable for distribution automation which can be interfaced with MATLAB ?

The distribution simulators like Open DSS,GridLab-D,CYMDIST are available for analysis of distribution network and also some MATLAB based platforms like MATPOWER and PSAT are there in which...

06 June 2016 4,463 3 View

How can I use community detection algorithms popular in criteira NMI?

I would like to compare my algorithm (the improved LPA) with Louvain, infomap and CNM (fast greedy) algorithms (available in Mat lab toolbox community) that has been implemented on LFR dataset. I...

06 June 2016 4,744 2 View

How to measure accuracy in matlab?

Hello all, I just want to ask a question as I am new to matlab when I finished training the network, I want to measure network accuracy by comparing the target class and testing result how can i...

06 June 2016 4,574 3 View

What is the physical reason for negative J-integral in modeled specimens with compressive stress field?

I have applied a compressive stress field to a 3D FE model. According to the compressive stresses, the negative J-integral was obtained for the first 9 contours; and it was positive for the rest...

06 June 2016 8,954 14 View

What is the maximum number of generation size (iteration) in meta-heuristic algorithms such as GA?

As we know, evolutionary algorithms have some parameters. As a case in point, Mutation and cross over rate and population size in GA, etc. One of the most important parameters in such algorithms...

15 May 2016 9,482 12 View

Is there any matlab function to perform bit shifting a logical string? Problem is to apply shift on an array of 10-20000 bits. Any suitable solution?

I have an array containing thousands (may be lakhs) of binary values. Want to apply bit shifting operations on that. bitshift,bitsra etc. works on integer values in matlab and it is not possible...

05 May 2016 3,825 3 View

Modelling Breast Tissue ? Any idea how?

to test a new ultrasound array simulated with MATAB ,i need to model the breast with its acoustical properties ,but i don't know how to start? i read in some articles that FEM could help,so can...

05 May 2016 9,237 1 View

How to mitigate the randomness in a simulation?

I was performing a simulation of the BER of an experimental communication system while transmitting QPSK symbols. In the model I have been following, I have to introduce a random matrix (normal...

05 May 2016 8,760 3 View

How much is the resonable time to get steady-state speed at rated load and a less load in the switched reluctance motor?

Motor specification: 4Kw,1500 rpm, 25.4 N-M (rated load), rated current at rated load = 17.2 A Simulation environment : Matlab\simulation

05 May 2016 3,204 3 View

Which simulator is more accurate than MATLAB?

In my paper for design of loop filter instead of PID loop filter approach, I employed modern predictive control (MPC) in accordance to attached file. But reviewer of my paper declare “the novelty...

05 May 2016 1,374 4 View

How could I analysis a Tunnel in Matlab by finite element?

Hi every body I'm Beginner in Matlab Program however I have one hard project that I should model a tunnel in Matlab and analysis that by finite element, is there any person could help me? or...

05 May 2016 8,856 10 View

Using matlab to simulate ice formation and melting process?

A thin sheet of aluminum is cooled to -5 degree Celsius and keep constant. It is submersed into a container of water at 1 degree Celsius. How should i go about in solving this problem? In the end...

24 April 2016 3,865 5 View

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