Sebastian Daneli
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Accept 20 answers given by other contributors
Awarded to Sebastian Daneli on 15 Nov 2021
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Domanda
Diagonal between two random positions in matrix
Hi I have a Matrix, and two random positions in it. Now I want all the positions of the matrix that is on the line that passes ...
10 giorni fa | 1 risposta | 0
1
rispostaDomanda
How to create a symmetric 2D distribution from a novel distribution
Hi I have a distribution, lets call it , represented as a vector. Essentially I would like to turn this into a point spread fun...
circa un mese fa | 1 risposta | 0
1
rispostaDomanda
Optimization: Capacitated Facility Location Problem
Am tasked to solve the capacitated facility location problem, i.e., subject to I've looked at i...
quasi 2 anni fa | 2 risposte | 0
2
risposteDomanda
Getting Chi-Squared Statistic
Hi How can i use Matlab to find for example the following chi-squared statistic? I can't make sense of the various commands....
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Simple vector question.
Say that I have the vectors v1=[1 2 3] v2=[4 3 8] how can I, by using these two, create the following vector v3=[4 3 3 8 8 8...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Question regarding matrix with NaN.
I have the following matrix: X=[9 6 9; 0 2 nan; 3 1 2] and from this one, I would like the following matrix new=[3 3 3 2 2 3 ...
oltre 2 anni fa | 2 risposte | 0
2
risposteDomanda
Using mat2cell
This is the third time that I'm forced to write a question about mat2cell since the explanation Matlab gives about said command ...
quasi 3 anni fa | 2 risposte | 0
2
risposteDomanda
Scale on x-axis
I have a vector of 256 data points which is equal to 0.8 ms in total. How do I set the scale from 0 to 0.8, with steps for examp...
quasi 3 anni fa | 2 risposte | 0
2
risposteDomanda
using mat2cell
I'm sorry for asking this question again, but I really, really don't understand how mat2cell works. I have a matrix of size 1001...
quasi 3 anni fa | 2 risposte | 0
2
risposteDomanda
Using mat2cell
I'm sorry, but I can't seem to understand how to use this function. I have a datamatrix of size 1000x512, and a want to store t...
quasi 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Sliding function in window?
I have data from recorded brain activity before and after injection of a drug, and I would like to examine the data visually. S...
quasi 3 anni fa | 2 risposte | 0
2
risposteDomanda
Storing individual elements of vector in cell.
Say that i have this vector x=[2 45 13] and I want to store these elements in a cell, where each element is stored individual...
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Takin the mean of data in tables
I have his table X1=[9 6 9;3 2 7]; X2=[0 2;4 0]; X3=[3 1 2; 8 9 7]; X=table(X1,X2,X3) And I need to take the mean of the ...
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Creating a table with only headers
I would like to create an empty table with the headers 'Observations', 'Mean', 'Treatment' and 'Residual'. I would also like the...
circa 3 anni fa | 2 risposte | 0
2
risposteDomanda
Questions about data types and tables
Data types is not strong side in Matlab, so i'm hoping that someone can help me. See comments in code %% I'm storing data type...
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Replacing element in table
I have this table X1=[9 6 9;3 2 7]; X2=[0 2;4 0]; X3=[3 1; 8 9]; X=table(X1,X2,X3) How do I replace X3 with X1 so that i...
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Finding largest data from table
Lets say that I have a table containing three matricies of different lengths. X1=[9 6 9 0;3 2 7 0]; X2=[0 2;4 0]; X3=[3 1 2;...
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Question about matricies in Matlab
Let's say that I have these three vectors: x1=[9 6 9]'; x2=[0 2]'; x3=[3 1 2]' Is it possitble to work with these in Matlab ...
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
How to do Multivariate Regression Analysis in Matlab
Let's say that I have the model and the data X=[1 1 1 1 1; 0 1 2 3 4]'; Y=[1 4 3 8 9; -1 -1 2 3 2]'; How can I fit and eva...
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Issue with FFT/Power Spectral Density
Can someone explain what I'm doing wrong here? I wanna evaluate the PSD of ECG data (electrocardiogram), but I end up with this ...
circa 3 anni fa | 2 risposte | 0
2
risposteDomanda
Change of basis, rotating an ellipse
I though I knew how to do this, apperently i did not. I'm supposted to draw a confidence ellips aroud a cluster of data centered...
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Naming cells in for loop
I can't figure this out, how to I name 10 cells in a for loop? A loop that looks something like this for i=1:10 c(insert s...
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Highlighting different part of graph
I have this graph, represented as a vector I am analyzing this signol for regions of interest, and I'm saving these positions...
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Finding certain numbers in vectors
Lets say that I have these vectors v1=[2 4 1 4] v2=[1 3 3 4] v3=[2 6 9 5] and I wan't to find all the vectors th...
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Filling area between lines with color
I have this figure: And I wish to fill the area between the two straight lines with a color. I've looked around and tried fil...
oltre 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Find order of increasing integers
I have a vector [3,4,8,9,10,13] How can I sort this into [3,4]; [8,9,10]; [13]; in an efficient way? I.e., split the parts o...
oltre 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Searching for structures in signal
I have a filtered signal were the base line is zero. I wish to search this signal for structures, i.e., find all the values in b...
oltre 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Scanning signal/Storing anything other then zeros
Hi I have a filtered signal where the base line is zero that looks in principle like this: [0 0 0 -1 2 -2 0 0 0 2 1 -1 0 0 0 2...
oltre 3 anni fa | 1 risposta | 0
1
rispostaDomanda
Smoothing signals with windows
Hi, I need to write a code to smooth out my estimated power spectral density. This is what i got so far Simulating white noise ...
circa 4 anni fa | 1 risposta | 0
1
rispostaDomanda
Creating a function with varying numbers of input parameters
Hi I am writing a function to plot data for me in different ways. I would like to decide in which way to plot the data when i c...
circa 4 anni fa | 1 risposta | 0
1
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