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Matlab SVD & PCA - which singular values belongs to which variables?
assuming that *X* is your matrix : mu = mean(X);%average of each column Xmean = bsxfun(@minus, X ,mu);%data centered ...

거의 8년 전 | 2

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subtract rows under a condition
solution: dataA = [1 1 1 2 1 3 1 4 2 5 2 6 2 7 3 8 3 9 3 10 4 11 4 12 4 13 5 14 5...

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How to manually calculate a Neural Network output?
you missed several normalization parameters, here I leave the solution : [x, y] = crab_dataset; size(x) % 6 x 200 ...

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Convolutional Neural Networks and GPU GTX960m
I recommend that you change the size of the images, since it is not necessary to have a very large size, the convolutional neura...

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How do I make input/output in a function a vector?
one cycle is missing function gradesRounded = roundGrade(grades) gradesRounded=grades; for k=1:numel(grades) if gr...

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Line detection in an image!!
imo = rgb2gray(imread('white_3.jpg')); se = strel('line',17,5); sim = imdilate(imo, se); se2 = strel('disk', 1); s...

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MultiLayer Neural Network with inputs forwarded to each Layer
You can do this by code in the following way: trainFcn = 'trainlm'; % Levenberg-Marquardt backpropagation. hiddenLayerS...

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How to create a function with an algebraic input
you can do like this: function f=g(y, x0 , epsilon) y=str2func(['@(x) ' y]); %your code but your input "y" need ...

8년 초과 전 | 0

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How to create new folder for each iteraton
an example: for k=1:5 %for k=1,2,3,4,5 name=['folder' num2str(k)];%new folder name mkdir(name)%create new folder ...

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Executing two loops at the same time
you can do like this: n = input('Your number = '); i = 1; while n ~= 1 while rem(n,2) == 0 && n ~= 1 ...

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I am trying to build this code to where I can type either YES or NO when asked for the input in line 1, but whenever I type NO, an error pops up saying "Matrix dimensions must agree". I am not sure where I am going wrong.
for compare two strings use *strcmp* : if strcmp(tail_stinger,'YES')

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How to Create Image Input Layer using Neural Network Using JPG Images ?
You must take into account that an image is a matrix of pixels, if it's an colored imaged then its size is length*width*3 (which...

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How I can add more hidden layers on the nftool code that I exported from the nnstart GUI?
you can use : trainFcn = 'trainlm'; hiddenLayerSize = 23; numberhiddenlayers=2;%more hidden layers net = fitnet...

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find observations with nonconsecutive numbers
like this: A=[55; 56; 57; 58; 26; 27; 28]; observations=A([1; diff(A)]~=1);

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Neural network training Maximum mu reached
Hello, Matlab selects a default Mu value of 0.001, but you can change it using the command: Net.trainParam.Mu = 0.0001; With ...

8년 초과 전 | 2

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How to control the apperance of a "ui control" from another gui?
from gui2 : Since version R2014b : a=findall(groot, 'Name', 'myguide1'); %myguide1 is the file name for guide1 set(fin...

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Artificial Neural Network - Equations?
Neural networks are very complex models including a lot of parameters, so a neural network that gives an equation as an answer d...

8년 초과 전 | 1

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Use of sendmail function to send an email from a gmail account
solution: setpref('Internet','SMTP_Server','smtp.gmail.com'); setpref('Internet','E_mail','myemailaddress@gmail.com'); ...

8년 초과 전 | 6

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Negative output neural networks
the output of the neural network depends on the transfer function of the output layer, if the results are negative you probably ...

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Finding the cell indices of a cell contains a specific text
I can help you with what you need in this example, it will give you the indices you need : TEXT={'103.9685,10:27:37,2016-02...

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How to transpose a matrix
you can use this: A = [1 8 1 5 1 4 2 6 2 7 2 2 2 5 7 6 7 4 7 8 9 9 9 1 9 2 9 6 9...

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How do you extract certain rows from one matrix thats first column has specific values and create a new matrix containing those rows?
You can use the function "mod" M =[0.00023 1 2 3 4 5; 0.007 1 2 3 4 5; 0.01 1 2 3 4 5; 0.0127 1 2 3 4 5 0.02 1 ...

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Eulers Number Code and Questions
You Can use this: function [est,n ] = approximate_e( delta ) n=-1; est=0; while abs(exp(1)-est)>delta ...

대략 9년 전 | 1

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how to refer an element in a column to related a value in another cloumn?
fileID = fopen('text.txt'); C = textscan(fileID,'%s %s %s %s %s %s %s','Delimiter',','); fclose(fileID); C=[C{:}]; ...

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How to make the slider move while the audio file is playing ?
an example : load handel player = audioplayer(y,Fs); f=uicontrol('Style','slider'); % set(player,'TimerFcn',{@eje...

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how can I write a function file using FOR loop to find the sum: A + A^2 + A^3 +···+ A^n when A is a square matrix?
you can use ".^" function [s] = function1(A,n) s=zeros(size(A)); for i=1:n s=s+A.^n; end end

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Ayuda con grafico de matrices. Graficar solo un término que va a ir variando.
solo se agrega una variable dentro del for que vaya guardando el primer dato de esa última matriz y una vez termina el ciclo for...

9년 초과 전 | 1

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Metaheuristics vs exact method
Metaheuristic methods are mostly used in cases whether using an exact method has a very high computational cost or there is no p...

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how to remove that element from cell vector which is identical to given argument or contains the argument as a substring. And return cell vector without that argument.
str={'hi' 'me' 'if' {'yes' 'no' 'hi'} {'for' 'while' 'all'} 'hi'}; %example element='hi'; %remove 'hi' str(strcmp(str,el...

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