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SungJun Cho


Last seen: más de 2 años hace |  Con actividad desde 2021

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Estadística

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Clarifications on Dunn-Sidak Approach in multcompare.m
Hi all, I am trying to perform the Dunn's test as a non-parametric post hoc multiple comparison test based on the statistical r...

más de 3 años hace | 0 respuestas | 0

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Define a variable?
The red underline occurs when you have not preallocated your array (or matrix). You can just do k = zeros(1,n); for i = 1:n ...

más de 3 años hace | 0

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Pregunta


Understanding CWT Morlet: Time and frequency resolution
Hello all, I have been using a continuous 1-D wavelet transform (MATLAB cwt function) to compute and plot wavelet scalograms. F...

más de 3 años hace | 1 respuesta | 0

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how to count the number of occurrences of these numbers (with some conditions)
Hi, The code below should solve your problem. A(1,:) = [1,2,5,2,1,2]; A(2,:) = [0,1,1,0,1,0]; uA = unique(A(1,:)); answ...

más de 3 años hace | 0

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Find last zero for each column
Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...

más de 3 años hace

Resuelto


Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

más de 3 años hace

Resuelto


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

más de 3 años hace

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Pre-allocation issue non existent before
First of all, when I ran your code, Avg_saving outputs 1 x 200 double array, so you might want to preallocate the arrays in righ...

más de 3 años hace | 0

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how do I put arrays into a for loop
To calculate the mean of the first N elements of an array, you can use mean_y1 = mean(y1(1:N)); However, you may import a .ma...

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Changing a a value in table column dependent on another column.
You can just do e = [ 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 78 78 78 78 78 78 78 78 78 78]; e = e'; d = [ 2 2 2 2 2 2 2 2 2 2 2 2 2 ...

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Find the index range of ones/trues?
I made a brief function that gives you a two-column matrix of the start and end indices when a logical vector is given as an inp...

más de 3 años hace | 0

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how to extract data from .mat file?
If you want to extract first 10000 elements from the x, you can just do extracted_x = x(:,:,1:10000); % Or if you want specifi...

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How to know which loop is being calculated?
Hello, To find out which step the loop is processing, you can always click pause and check "k" and "j". However, you can also ...

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Morlet wavelet: what is the difference between 'morl' and 'amor' wavelets?
Hi Maja, It seems quite late to answer your question, but to simply put, the difference between 'morl' and 'amor' wavelets lies...

más de 3 años hace | 1