# Mohsen Davarynejad

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Professional Interests: Optimization, Evolutionary Computation

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Question

how to force Draggable points to move along a line?

Hi All. I would like to use impoint to generate a draggable point. But I want to force it to move along a line. I try to do so ...

ungefär 11 år ago | 1 answer | 0

### 1

answeroptimization routine for function that is not smooth and also has a lot of local minimum

All the algorithms suitable for black-box optimization can be used. These algorithms, including Genetic algorithms (GA) and Part...

ungefär 11 år ago | 0

Question

Wilcoxon rank sum test

I would like to check if my data is smaller than zero or not. Assume the following example. A = -1*ones(15,1); [p, h, S...

nästan 12 år ago | 1 answer | 2

### 1

answerhow to cyclically shift an array?

x = [1 : 1 : 10] for i = 1 : 5 x = [x(2:end) x(1)] end

mer än 12 år ago | 0

plotting lines

y = [0:.1:10] plot(5,y) xlabel('Re') ylabel('Im') http://en.wikipedia.org/wiki/Imaginary_number

mer än 12 år ago | 0

problem plotting complex function

The problem is that eps_compl is just a single number, and not an array. You compute eps_compl for every point, but you do not ...

mer än 12 år ago | 0

| accepted

A little help?

The Matrix of interest of poster is: A = [1,2,3;4,5,6;7,8,9]; and the soloution is the following: B = A - min(A(:)); C...

mer än 12 år ago | 0

can't add axis labels

xlabel('Frequency (Hz)'); ylabel('Surface Impedance');

mer än 12 år ago | 2

| accepted

ODE 45 intermediate value?

So the dynamics of your model changes based on the outcome of the model. Supose that when y(1) at time t1 gets above for instanc...

mer än 12 år ago | 1

Return coordinate of first nonzero element.

A=boolean(2*rand(10,10)>1) % Creating a random Matrix Row = 2; % Assumung you are looking for the first 0 of the row 2. Co...

mer än 12 år ago | 0

Question

Matrix position stored in a variable!

Suppose A=rand(10,10) and I need to access the following elements in A: A(2,3), A(4,5), A(6,7). If the positions are stored in a...

mer än 12 år ago | 1 answer | 0

### 1

answerode45

The only thing you have to do is to change plot(t,x(1),'red') to plot(t,x(:,1),'red') and so on for the rest o...

mer än 12 år ago | 0

| accepted

Question

ind2sub output dimension

My question is regarding the output of the ind2sub function. In my code, since the input dimention of ind2sub changes, i should ...

mer än 12 år ago | 2 answers | 0

### 2

answersWFDB - reading in ECG files

First you have to download the rdsign212.m and rdsign212.dll. To read the first N samples of an M-lead ECG (supposing that the d...

mer än 12 år ago | 0

Password protect my subsystem using a password

http://www.mathworks.com/matlabcentral/newsreader/view_thread/274895

mer än 12 år ago | 1

ploting graph.

x=linspace(0,10,100); y1 = 5*x.^2 + 9*x - 5; y2 = -2*x.^2 + 4*x + 10; plot(x,y1,'r'); hold on; plot(x,y2,'b'); ...

mer än 12 år ago | 0

minimum of an array

My guess is the the following scales better: B = A; %work on a copy, not the original B([2 5],:) = []; %remove the 2...

mer än 12 år ago | 0

Question

Accessing to the position stored in a variable

Suppose I have a matrix, A=rand(5,5) and an array, b=[2,3]. How can I extract the A(2,3) element? I know a simple solution is A(...

mer än 12 år ago | 1 answer | 0

### 1

answermppt by using pso method

Please provide your email address so that I can contact you directlly.

mer än 12 år ago | 0