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PEDRO ALEXANDRE Fernandes


Last seen: 11 months ago |  Active since 2022

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Regular expressions to find if I won a game
Hi But I need a regular expression

12 months ago | 0

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Regular expressions to find if I won a game
Hi all I'm having trouble finding the regular expression for a problem. The problem is: Consider a game in which you have a b...

12 months ago | 1 answer | 0

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I wanted to apply the chi-squared function with the return of the p-value, but matlab's chi2cdf function only returns zero.
% Example data matrix (2000 rows and 9 columns) data_matrix = randi([0, 10], 2000, 9); % Replace this with your actual data ...

1 year ago | 1 answer | 0

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Remove negative digits from a cell array
Hi all. If I have a number like that 1 1 4 1 5 6 4 2 -2 3 -2 3 6 1 1 -2 -2 -2 -2 9. If I don't want the negative digi...

1 year ago | 1 answer | 0

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Assign a set of weights to digits
Good afternoon, everyone. Unfortunately, from time to time I block. Here's the thing. I have a set of digits where I have calc...

1 year ago | 2 answers | 0

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I want to extract digits from a cell array but not the digit zero
Hi.. I have a problem. I have a cell array and want to extract digits from each cell without the zeros. For example: fi...

2 years ago | 2 answers | 0

2

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A file does not appear
I have a code that fetches the files about images from a folder. However, if I put two files it only returns 1 and not both. If ...

2 years ago | 0 answers | 0

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fitglm and ROC curves
Good afternoon everyone. I have a problem. I want to create a ROC curve. I have a table with 560 rows and 1 column, where are 0...

2 years ago | 1 answer | 0

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Count the number of equal and different occurrences in an array
Good Morning. In case I have an array with 200 or more rows. In this matrix, I have 3 columns but I need to count the number of...

2 years ago | 1 answer | 0

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Multiple plots with a several of variables
Hello again. I have more than 200 variables, and i need to plot all at the same time. I use stackedplot(), but this function h...

2 years ago | 1 answer | 0

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Extract the first two digits from a cell number
Hello! I have a cell array, and i need to extract the first two digits. 946210.887239541 5834.79659950033 2331.48462622471 10...

2 years ago | 1 answer | 0

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Digits that repeat in an n by m matrix
If I have a multidimensional array of n by m and I want to count the number of digits that repeat in each row of the array. Ex:...

2 years ago | 3 answers | 0

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