photo

Panos Kerezoudis


Last seen: 1 month 前 |  自 2023 起处于活动状态

Followers: 0   Following: 0

Programming Languages:
MATLAB
Spoken Languages:
English

统计学

All
  • Thankful Level 3
  • Solver

查看徽章

Feeds

排序方式:

提问


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 ...

1 year 前 | 1 个回答 | 1

1

个回答

提问


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...

1 year 前 | 1 个回答 | 0

1

个回答

提问


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 ...

2 years 前 | 1 个回答 | 0

1

个回答

提问


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...

2 years 前 | 2 个回答 | 0

2

个回答

提问


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...

2 years 前 | 1 个回答 | 0

1

个回答

提问


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...

2 years 前 | 1 个回答 | 0

1

个回答

提问


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:...

2 years 前 | 1 个回答 | 0

1

个回答

提问


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. ...

2 years 前 | 1 个回答 | 0

1

个回答

已解决


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]; ...

2 years 前

已解决


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

2 years 前

已解决


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,...

2 years 前

已解决


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.

2 years 前

已解决


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]

2 years 前

已解决


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 ...

2 years 前

已解决


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...

2 years 前

已解决


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 ...

2 years 前

已解决


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...

2 years 前

已解决


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:...

2 years 前

已解决


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 ...

2 years 前

提问


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...

2 years 前 | 2 个回答 | 0

2

个回答

提问


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...

2 years 前 | 1 个回答 | 0

1

个回答

已解决


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...

2 years 前

已解决


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...

2 years 前

已解决


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...

2 years 前

已解决


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)

2 years 前

已解决


Replace 0 indices in array with 1's
Take a incoming vector, and replace 0's with ones

2 years 前

已解决


Simple Vector Addition
Take two incoming vectors and output the sum of the two vectors

2 years 前

已解决


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...

2 years 前

已解决


Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

2 years 前

已解决


Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

2 years 前

加载更多