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ameen


University of Southampton

Active since 2013

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what is fixed-point in a simulink model? how to do it?
It should be used to improve performance of generated code. You can find more information here: http://uk.mathworks.com/he...

9 years ago | 0

Question


How to use Haar wavelet decomposition to do sress analysis ??
Many Thanks in advance. In an article I read about electric aircraft emergency power system, the stress analysis is performed...

9 years ago | 0 answers | 0

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answers

Question


polynomials summation equation solving
Hi There, I want to write a code to solve the following two polynomials to write them in Simulink block] <</matlabcentral/an...

9 years ago | 1 answer | 0

1

answer

Question


Matlab Code into Simulink Help
I want to put the following code into Simulink. I tried MATLAB Function block but it gives me many errors. May be a S-Function b...

9 years ago | 0 answers | 0

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answers

Question


How to decide time step of a Simulink model contains different sub-models with different time step
If i have different sub-models with different time steps, the global simulation time of the overall model should be defined by t...

9 years ago | 1 answer | 0

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answer

Question


How to decide time step for simulink model contains submodels with different response time ?
I made a Simulink model to represent Ship performance which contains submodels. Each submodel represents a certain component of ...

9 years ago | 1 answer | 0

1

answer

Question


how to convert 18 digits timestamp to readable date and time in MATLAB
I have data with a time step consists of 18 digits such as 634019142119225390. This date should be in February 2010 by the way. ...

9 years ago | 3 answers | 0

3

answers

Question


import constants to simulink
I want to import some constants values from workspace to simulink. For example i will write A=10, B=7, C=8 in an m.file then ...

9 years ago | 3 answers | 1

3

answers

Answered
Difference between Integrator and accumulator
I want to ask the same question.

10 years ago | 0

Question


variable in if statement is undefined on some execution paths
function RA = fcn(density, V, L, Cb, Tf, Abt, B, T, hB, S) if (Tf/L) <= 0.04 c4=Tf/L; elseif Tf/L>0.04 c...

10 years ago | 2 answers | 0

2

answers

Question


Simulink DC motor model units confusion
Hi there In the DC motor simulink model in the following link, there are two versions one for simulink and the other for Sims...

10 years ago | 1 answer | 0

1

answer

Question


How MATLAB move between discrete measurements
Hi there when we have discrete measurements of speed or temperature, based on what MATLAB draw a scatter curve between these ...

10 years ago | 2 answers | 0

2

answers

Question


change the output gradually over the time step
Hi There I am using this code in simulink to randomly generate numbers from 1 to 10 based on its probability and it works fin...

10 years ago | 0 answers | 0

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answers

Question


output variable size matrix, while its specified type is something else.
Hi There I want to generate random number based on its probability and i found the following code online for time1=0:10:1...

10 years ago | 1 answer | 0

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answer

Answered
How can I form equation from my data?
You should think about regression to get a relation between these 4 variables and the rate of reaction. If you don't know about ...

10 years ago | 0

| accepted

Answered
how to plot a graph of three parameter??
i am not sure what is your question exactly but you may find your answer in this link http://www2.math.umd.edu/~jmr/241/surf...

10 years ago | 0

| accepted

Question


How to read Simulink inputs from Matlab ?
Hi all I am trying to model some mathematical equation in Simulink where some of the inputs are constant number, some are var...

10 years ago | 1 answer | 0

1

answer

Question


simulation takes so long and memory problem at the end
Hi all, I am trying to simulate the performance of a motor and a battery. in the first model i attached the motor directly...

10 years ago | 1 answer | 0

1

answer

Question


obtain different results for the same Simulink model between 2012 and 2013
Hi all i am trying to simulate this electrical model but i have different results between 2012 and 2013. for the same input a...

10 years ago | 1 answer | 0

1

answer

Question


Simulink- Battery discharge constant load
Dear All, i want to apply a constant load on a battery in a Simulink model. for example, i have a load of 45 watt and a l...

10 years ago | 1 answer | 0

1

answer

Question


Not enough input arguments
i want to calculate rpm when two values approximately the same TT and T this is the code function rpm =zzzzzz(modelspeed...

11 years ago | 2 answers | 0

2

answers

Question


what is wrong with my 'For' loop
this is my FOR loop code clear all clc close all v=0.5; d=0.1; density=1000; w=0.446; t=0.2; rr=30.494*v^5-86.479*v...

11 years ago | 2 answers | 0

2

answers

Answered
what is wrong with my 'While' function
Thank you all very much for your help and replys

11 years ago | 0

Question


what is wrong with my 'While' function
i want to increase (n) until TT=s v=0.5; d=0.1; density=1000; w=0.446; ...

11 years ago | 5 answers | 0

5

answers

Question


Nonlinear least square regression
i have (x , y) data the function between x and y is y = 0.392* (1 - (x / b1) .^ b2 i want to use nonlinear least square re...

11 years ago | 1 answer | 0

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Question


Nonlinear least square regression
Hi all i have 17 observation (x and y) the relation between them as follows y = 0.392 * (1 - (x / J)) ^ i i want to use ...

11 years ago | 1 answer | 0

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