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Last seen: 10 jours ago Active since 2019

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convolution of multiple images with multiple filters
Let's assume I have a set of images in one variable X, where the size of this variable is 4D [width, height, channels, number of...

environ un mois ago | 1 answer | 0

1

answer

Question


a simple vector to a matrix
Hello everyone, I am trying to write a code that convert a vector like the following for example: X=[1 2 3]; to a matrix l...

2 mois ago | 2 answers | 0

2

answers

Question


Multiplication of very large matrix
Hello everyone, Could anyone help me in re-writing the following equation to make the processing faster. N here is the number ...

12 mois ago | 1 answer | 0

1

answer

Question


generalized eignvalues/eignvectors
I want to solve the following generalized eignvalues/eignvector problem: A*w=D*B*w Where A is my first square matrix and B my...

plus d'un an ago | 1 answer | 0

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answer

Question


accuracy of two methods to solve eignvalues/eignvector problem
I am trying to solve an eignvalue/eignvector problem related to the multi-class LDA. The equation is inv(Sw)*Sb. I have two solu...

plus d'un an ago | 1 answer | 0

1

answer

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combine each 8 matrices in a cell array
I have a cell array that contain matrices of the same dimentions. I want an effictive way to combine each 8 matrices together in...

presque 2 ans ago | 1 answer | 0

1

answer

Answered
sample from data according to a class with no replacement
I just solve it. So, for anyone who is looking for an answer, it is the following: new_sample= datasample(X(T==L,:),K,'replace...

environ 2 ans ago | 0

| accepted

Question


sample from data according to a class with no replacement
Lets say that I have a matrix n*m where n represented the instances while m representing the attributes. I have another column v...

environ 2 ans ago | 1 answer | 0

1

answer

Answered
Create variable from an excel entry
% you may need something like the following Plot.Shift=xlsread('filename.xlsx',1,'B1'); %file name, row number, column numb...

environ 2 ans ago | 0

Answered
find all elements (cells) of a single element (cell) in cell array
I found the answer if anyone is looking for something similar for i=2:size(c,1) if (isequal(c{1,1},cell2mat(c(i,:)))) index=...

plus de 2 ans ago | 0

| accepted

Question


find all elements (cells) of a single element (cell) in cell array
I have the following cell array (c) which is 3*2. Now I want to find all elements of lets say c{1,1} which is [3,2]. The answer ...

plus de 2 ans ago | 2 answers | 0

2

answers

Question


avoid for loop in a specific code
Could anyone help me if there is any way to avoid for loop in the following code: Both Target and predicted_target are vectors w...

plus de 2 ans ago | 1 answer | 0

1

answer