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Domanda

Genetic algorithm initial popuplation
I use GA to minimize an objective function with 20 variables. I noticed that ga always produces initial population with small di...

quasi 13 anni fa | 2 risposte | 0

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Domanda

Sensitivity of a timer
I use a timer block and observed that if the time values are too close, they do not appear in the scope. For example if time is ...

quasi 13 anni fa | 0 risposte | 0

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Domanda

Speeding up exhaustive search
I need to find the global minimum of a function using exhaustive search. I have 10 function variables x1,x2,x3,...,x10 ∈ [0,10]...

quasi 13 anni fa | 2 risposte | 0

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Risposto
I want to determine whether the user wishes to work with their angles in degrees or radians
type= input('Enter D to work angle in degrees or R for radians') V= input('Enter velocity '); a= input('Enter angle ')...

circa 13 anni fa | 0

Risposto
Warnings and error produced by simulink
The solution is to disable the zero crossing detection for the whole system.

circa 13 anni fa | 0

| accettato

Risposto
variables in Simulink Workspace
Simulink resolves variables from base workspace, so if you use simout from a function it wont be able to 'see' it because functi...

circa 13 anni fa | 0

Domanda

Warnings and error produced by simulink
I try to optimize a measurement from simulink model using the ga function. The optimization runs well for some generations excep...

circa 13 anni fa | 2 risposte | 0

2

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Domanda

About termination of genetic algorithm
I have set the options of the ga as shown: options=gaoptimset(options,'Generations',100); The algorithm terminates after...

oltre 13 anni fa | 2 risposte | 0

2

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Domanda

How to measure the phase difference between two signals in simulink?
I have two signals in my circuit and i would like to measure the phase difference between them. Is there a block i could use? If...

oltre 13 anni fa | 3 risposte | 0

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Domanda

How to hide warnings ?
I do not want warnings to appear when i execute my code but i do not want to turn them off as well. Is this possible?

oltre 13 anni fa | 3 risposte | 0

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Risposto
Problem
You pass an argument of type "char" to function tc_cmdq and this function does not take input of this type.

oltre 13 anni fa | 0

Domanda

Genetic algorithm: child out of constraints
I have set the linear inequality constraints of the GA in a way that each gene is smaller than the next one, eg x1<x2<x3...<xn b...

oltre 13 anni fa | 1 risposta | 0

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Domanda

Time values must be monotonically increasing error
In my simulink model i use a from workspace block to read some time values and alhough those values are increasing i get the err...

oltre 13 anni fa | 1 risposta | 1

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Risposto
Problem with sim command
If i understood what you mean, your problem is that for some values you get an error. In this case you can set your constraints ...

oltre 13 anni fa | 0

Domanda

From workspace block error
I run the following code : wave.time=t; wave.signals.values = val; wave.signals.dimensions=1; where t and val are vectors. I...

oltre 13 anni fa | 1 risposta | 1

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Domanda

Simulink and linux
When i try to open a simulink model i get the error: MATLAB:dispatcher:loadLibrary Can't load ~/Matlab2011bu/bin/glnxa64/libm...

quasi 14 anni fa | 1 risposta | 1

1

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Domanda

Problem with gaoptimset in unix
I have a problem runing my code in unix although the same code is running in windows. The error i get is the following: "Undefin...

quasi 14 anni fa | 1 risposta | 0

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Domanda

Problem with matlab function block.
I use a matlab function block in my simulink model and when i read a variable(for example N) from a file i get an error, but if ...

quasi 14 anni fa | 2 risposte | 0

2

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Domanda

What does '@' mean in a matlab expression?
For example [x,y] = foo1(@(x) foo2(x),z); Thank you in advance for your help.

quasi 14 anni fa | 1 risposta | 2

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Domanda

Steady state?
I am building a circuit with simulink and i was wondering if the results i take are in steady state. Are the elements in simulin...

circa 14 anni fa | 1 risposta | 0

1

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Domanda

How i choose the best solver ?
How i choose the best solver for my simulink model and why i get different results if i use a different solver?

circa 14 anni fa | 1 risposta | 0

1

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Domanda

mxArray problem
In a simulink model I use a matlab function block in which i open a file(fopen), read some numbers(fscanf) and put them in an ar...

circa 14 anni fa | 3 risposte | 0

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