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Majid Farzaneh


Media Engineering Department, I.R.I.B. University

Last seen: 21 days ago Active since 2018

Master of Science.

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Answered
Having error: 'emlc:compilationError' when using command('coder.checkGpuInstall('gpu','codegen','cudnn','quiet');')
I just solved the problem. You need to first install visual studio 2015 or later (including C++). Then type this in the comma...

10 months ago | 1

Answered
how use immse between two color images
Hi Yusuf, You can calculate MSE and PSNR between 2 rgb images A and B like this: MeanSquareError=immse(A,B) PeakSignaltoNoise...

2 years ago | 1

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Answered
how to make a plot
Hi, you can use this: figure, plot(V,Fa,'-o') hold on plot(V,Fb,'-*') plot(V,Fc,'-^') legend('Fa','Fb','Fc')

3 years ago | 1

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Answered
how can save all variables which are in function without deleting previous one ?
Hi. You can make a string in each run for your function and then use the string for your file name. for example you may use a g...

3 years ago | 2

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Answered
Error in following code while converting cell to matrix
Hi, you can do it like this: V = {load('db1.mat'),load('db2.mat'),load('db3.mat'),load('db4.mat')}; n = cellfun(@field...

3 years ago | 1

Answered
How to crop only selected part of an image automatically?
Hi It works. But you have used imresize and have changed the segments. Also your threshold for segments sizes (200) may be larg...

3 years ago | 1

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Answered
matlab read only first letter from string
Hi, You should use a function to read your data like: M = csvread(filename) In your code formatspec = 'f%dK.csv';...

3 years ago | 1

Answered
Saving a value from matrix B, indexed by matrix A
Hi, you can use a *for loop* for B like this: for i=1:numel(B) ... end Then, determine the index by A, like this...

3 years ago | 1

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Answered
Artificial Neural Network code for this dataset?
Hi, you can use something like this: I=xlsread('forneuralnetworkdataset.xls'); inputs=I(:,1:3)'; targets=I(:,4)'; ...

3 years ago | 2

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Answered
how to plot a factorial with variable please help!
Hi, This will work: syms n; f(n) = 1-factorial(3000-n)./factorial(2990-n)./(3000^10); range = linspace(1,2990,2990)...

3 years ago | 2

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Answered
How to change input size of neural network from 3d to 2d?
Hi, You can use the gray-scale image instead of RGB image. Use this command to make gray-scale from RGB: Ig=rgb2gray(I) ...

3 years ago | 1

Answered
How to use Num2str?
Hi, Don't use space between num2str and '('. This will work: disp (['Iteration ' num2str(it) ': Best cost = ' num2str(Bes...

3 years ago | 1

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Answered
How to dynamically create and update a legend ?
Hi, You don't have to create legend dynamically, Do it out of loop like this: for h=1:5; filename = sprintf('file...

3 years ago | 2

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Answered
Matrix number of rows reduction to a smaller number of rows.
Use this: % A is your input matrix and B is squeezed matrix for i=1:n idx=find(i==A(:,1)); B(i,:)=mean(A(idx,...

3 years ago | 1

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Answered
In a FeedForward NNet, what exactly is one iteration?
Hello, In every neural network there is an optimization algorithm to set optimum weights and biases; and optimization algorithm...

3 years ago | 1

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Answered
How to fix this loop to get the desired output ?
Hi, New_Td = [4,1,1] for t = New_Td duplicate=[]; for b = 1:t duplicate(b) = 0; ...

3 years ago | 1

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Answered
Index exceeded matrix dimensions
Hi, _[filename = sprintf('%s_%d', 'Month', i);]_ makes a string like this: _Month_1_ Then you have used _filename(:,12)_ a...

3 years ago | 1

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Answered
How do I minimize a function
Hi, You can use genetic algorithm (ga) like this: [x, Fval]=ga(@(x) your_fcn(x), N) N is number of variables in your f...

3 years ago | 1

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Answered
How to train a time series dataset ?
The attached file may help you.

3 years ago | 1

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Answered
How to train a time series dataset ?
Hi, what's your purpose for training this data? A neural network can predict something for you. For example you can train the n...

3 years ago | 0

Answered
Generating discrete values in simulink
Hi, You can use Constant block and set the constant value to 0:0.001:1 but if c is time for you and you want to show the output...

3 years ago | 1

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Answered
How can i group some vectors by the last value ?
Hi, it's all you want: data = [-3 1 0; -3 3 1; -2 1 0; -2 4 1; -1 3 1; ...

3 years ago | 2

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Answered
how to read multiple sheets (Tab) data and save it in a single matrix?
Hi, I hope this can help you: [~,SheetNames] = xlsfinfo('Yr00.xlsx'); nSheets = length(SheetNames); Data=[]; fo...

3 years ago | 3

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Answered
2 different for loops at the same time ?
Hi, It's better use size(A,1) _[for number of rows]_ or size(A,2) _[for number of columns]_ instead of length(A). Because it's...

3 years ago | 2

Answered
finding the index of row
Hi. Use this: index=find(y==37.7495) Your result is null because you have only one row and you are searching in all row...

3 years ago | 1

Answered
Numerically stable implementation of sin(y*atan(x))/x
Hi, You can easily add an epsilon to x like this: sin(y*atan(x+eps))/(x+eps)

3 years ago | 1

Answered
How to display MR image of type double with Matlab ?
Hello, You can use this for resize image as [384,384]: I=imresize(inputImage,[384,384]); imshow(I); but if your imag...

3 years ago | 1

Answered
How can I define f for 0=<x=<1000? I know that we can say x=[0:increment:1000], but I am looking for something that can be defined as continuous form of f rather than discrete points.
Hi, There is no way to define something continues in computer. All the signals store as discrete. Because a continues signal has...

3 years ago | 1