# Majid Farzaneh

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

Master of Science.

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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...

ungefär ett år ago | 2

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...

mer än 2 år ago | 1

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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')

mer än 3 år ago | 1

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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...

mer än 3 år ago | 2

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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...

nästan 4 år ago | 1

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...

nästan 4 år ago | 1

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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';...

nästan 4 år ago | 1

My code is showing error " matrix dimension must agree".In line no -4 (2nd function:function [res_img]=Gray_trans_S_curve_uint16(xyz))-nrm_val= (xyz)- mn1;.output of the 1st function will be used in 2nd function.1st fn :function Res=Local_Process_uin

If your input is an image it's incorrect to use it like this: Res=Local_Process_uint16_mymod('mrimage.bmp',40,40) 'mrima...

nästan 4 år ago | 2

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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...

nästan 4 år ago | 1

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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)'; ...

nästan 4 år ago | 2

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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)...

nästan 4 år ago | 2

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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) ...

nästan 4 år ago | 1

How to use Num2str?

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

nästan 4 år ago | 1

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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...

ungefär 4 år ago | 2

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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,...

ungefär 4 år ago | 1

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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...

ungefär 4 år ago | 1

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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; ...

ungefär 4 år ago | 1

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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...

ungefär 4 år ago | 1

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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...

ungefär 4 år ago | 1

| accepted

How to train a time series dataset ?

The attached file may help you.

ungefär 4 år ago | 1

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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...

ungefär 4 år ago | 0

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...

ungefär 4 år ago | 1

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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; ...

ungefär 4 år ago | 2

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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...

ungefär 4 år ago | 3

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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...

ungefär 4 år ago | 2

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...

ungefär 4 år ago | 1

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)

ungefär 4 år ago | 1

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...

ungefär 4 år ago | 1

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...

ungefär 4 år ago | 1