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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...
5 years 前
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Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...
5 years 前
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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
5 years 前
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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
5 years 前
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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....
5 years 前
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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.
5 years 前
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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
5 years 前
提问
wavelet transform for multichanel EEG signal
Hi, I want to perform wavlet transform on 14 channel EEG data. I tried working with for loop but it resulted in an error when c...
6 years 前 | 0 个回答 | 0
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What is EEG sampling frequency
Hi, I came across a sentecnce in a pdf file- EEG_Sampling Rate = 128 Is this the sampling frequency? If not, what is the di...
6 years 前 | 0 个回答 | 0
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"Subscript indices must either be real positive integers or logicals". What does this mean?
Hi, I am trying to extract feaures from EEG signals using wavelets. The input signal is a 14 channel signal. But everytime i t...
6 years 前 | 2 个回答 | 0
2
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How do I extract features from a EEG signal using wavelet transform
I have an EEG signal (25472 x 14, 14 electrodes). I have to extract features from the signal using wavlet transform. How do I do...
6 years 前 | 0 个回答 | 0
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How to use column wise operations on nested cell arrays?
I have a cell array(1 x 23) where each element is again a cell array(18 x 1). Each element of this nested cell array is a matrix...
7 years 前 | 1 个回答 | 0
