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Error using vertcat Dimensions of arrays being concatenated are not consistent.
In the RRTSS1 script, "dist" is defined inside an "if" statement without any "else" for "dist" value. So if Reach=0, then ans =...

circa 6 anni fa | 0

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How to divide data into train/valid/test sets such that one sample from every class is selected?
Set 'Stratify' option to 'True'. cv = cvpartition(data(:,1),'KFold',5,'Stratify',true);

circa 6 anni fa | 0

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Determine first and second derivatives, without using builtin diff function, using forward differencing with 0 dx error
dfdx = zeros(size(f)); d2fdx2 = zeros(size(f)); dfdx(2:end) = f(2:end)-f(1:end-1); d2fdx2(2:end) = dfdx(2:end) - dfdx(1:e...

circa 6 anni fa | 0

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How to calculate the optimal thickness
Assuming, optimal thickness yields maximum refraction, m = find(R==max(R)) optimal_thickness = d(m) % ans = % 1.9192e-07...

circa 6 anni fa | 0

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Problem with the TreeBagger Command
The Training_Output variable has to be a vector of size 6768X1 instead of a matrix.

circa 6 anni fa | 0

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how i can use confusion_matrix for result of image classification using knn?
yhat = predict(model,x); C = confusionmat(y,yhat)

circa 6 anni fa | 0

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How do I improve my result of KNN classification using confusion matrix?
yhat = predict(model,x); [C,order] = confusionmat(y,yhat); Use this help file to understand how to use C and order: https://w...

circa 6 anni fa | 0

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Convolution of two piecewise signals returning zero (exercise 2 in attachment)
t = -10:1/10:10; x = zeros(1,length(t)); h = zeros(1,length(t)); for i=1:numel(t) if t(i)<0 || t(i)>2 x(i) = 0;...

circa 6 anni fa | 0

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transform column and row data of logical matrix to vector(N X 2)
logical_matrix = [0 0 0 0; 0 1 0 0; 0 0 0 0; 0 0 1 0; 0 1 0 1]; [i,j] = find(logical_matrix); vector_matrix = [...

circa 6 anni fa | 0

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