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SungJun Cho

Last seen: 5 månader ago Active since 2021

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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...

mer än ett år ago | 0 answers | 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 ...

mer än ett år ago | 0

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Question

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...

mer än ett år ago | 1 answer | 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...

mer än ett år ago | 0

Solved

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...

mer än ett år ago

Solved

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...

mer än ett år ago

Solved

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:...

mer än ett år ago

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...

mer än ett år ago | 0

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...

mer än ett år ago | 0

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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 ...

mer än ett år ago | 0

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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...

mer än ett år ago | 0

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...

mer än ett år ago | 0

| accepted