Posts by Wellington Silva • 68 points
6 posts
-
2
votes1
answer545
viewsA: I cannot install matplotlib, Python 3.9
Hello, I was with same problem that you, I was able to heal using the binary file of matplotlib, see the command: pip install wheel \ python -m pip install -U matplotlib --prefer-binary If you have…
-
1
votes1
answer40
viewsQ: How to calculate the ROC curve using only confusion matrix
I would like to know how to find the ROC curve having only the confusion matrix. tp = 55922 fp = 1221 fn = 1035 tn = 41812
-
0
votes2
answers621
viewsA: Put bar in Bootstrap menu
<!DOCTYPE html> <html lang="pt"> <head> <title>Bootstrap Example</title> <meta…
-
1
votes2
answers619
viewsA: standard deviation of all elements of a matrix in MATLAB?
soma = 0; soma = a(:,:) + soma; %Basta informar as dimensões da matriz n = size(a); media = (soma / n); s = 0; % a fórmula de desvio padrão deve ser conferida e…
matlabanswered Wellington Silva 68 -
0
votes2
answers12986
viewsA: how to import data in excel format to Matlab
Export by excel in csv format, can be separated by comma or space The reading process only needs to use the csvread(filename) Example of use: arq = csvread(arqExcel.csv) Source:…
matlabanswered Wellington Silva 68 -
1
votes1
answer69
viewsA: output function giving error syntax
Avoid Latin words, as display, if you want to keep the name display without the accent, remember that the English language does not have such graphic signs. Also, you forgot to close relatives, as a…