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Domanda
Segment data into overlapping windows
Hi! I have a vector of time series data (1x300), that I would like to segment into 20 segments that are 100 ms in duration and ...
quasi 2 anni fa | 1 risposta | 1
1
rispostaDomanda
Group values in a vector
Hi, I have a long column vector ('trialnr', attached), whose elements are integer numbers from 1 to 55 (they index events in t...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Sort elements in cell array in descending order
Hi! I hava a cell containing three row vectors and I would like to sort each vector in descending order. Other than using a ...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Signal auto-correlation in matlab (xcorr function)
Hi! I am working on an EEG-electrophysiology dataset ('csd'). It is structured as a 3D array (channels x time x trials). The d...
oltre 2 anni fa | 2 risposte | 0
2
risposteDomanda
Arrange column vetors into table
Hi! I used the findpeaks function in matlab to find local maxima ('peaks') in a vector and their indices ('locs'). I would li...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Attach first column with names to matrix with coordinates
Hi! I have a matrix ('positions') with 3 columns (x,y,z coordinates) and 200 rows (intracranial electodes). I also have a cha...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Plot legend labels using loop
I am plotting the power spectrum from 16 channels. PSD was calculated using the pwelch function and its output has 3 dimensions:...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Bar plot of categorical data
Hi! I have a small column vector (46x1). Each row has a number (0-7), where each number encodes a specific electrode location. ...
oltre 2 anni fa | 1 risposta | 0
1
rispostaRisolto
Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...
quasi 3 anni fa
Risolto
Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...
quasi 3 anni fa
Risolto
Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...
quasi 3 anni fa
Risolto
Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.
quasi 3 anni fa
Risolto
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]
quasi 3 anni fa
Risolto
Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...
quasi 3 anni fa
Risolto
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...
quasi 3 anni fa
Risolto
Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...
quasi 3 anni fa
Risolto
Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
quasi 3 anni fa
Risolto
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:...
quasi 3 anni fa
Risolto
Return a list sorted by number of occurrences
Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...
quasi 3 anni fa
Domanda
MATLAB Problem. How to design matrix from eigenvalues
This is a previously posted problem that I am working on but I can't find any solutions online. Here is the description: Write...
quasi 3 anni fa | 2 risposte | 0
2
risposteDomanda
Make loop more efficient
Hi! I am new to Matlab and I am currently going through coding exerices to become more skilled at it. I would appreciate any h...
quasi 3 anni fa | 1 risposta | 0
1
rispostaRisolto
Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...
quasi 3 anni fa
Risolto
Create a vector whose elements depend on the previous element
The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...
quasi 3 anni fa
Risolto
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...
quasi 3 anni fa
Risolto
Find the mean of two vectors
Take two vectors, and output the mean of them (bonus if you don't use the in-built mean function)
quasi 3 anni fa
Risolto
Replace 0 indices in array with 1's
Take a incoming vector, and replace 0's with ones
quasi 3 anni fa
Risolto
Simple Vector Addition
Take two incoming vectors and output the sum of the two vectors
quasi 3 anni fa
Risolto
Rescale Scores
Each column (except last) of matrix X contains students' scores in a course assignment or a test. The last column has a weighted...
quasi 3 anni fa
Risolto
Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...
quasi 3 anni fa
Risolto
Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...
quasi 3 anni fa
