Statistics
RANK
39
of 299,177
REPUTATION
5,270
CONTRIBUTIONS
1 Question
1,941 Answers
ANSWER ACCEPTANCE
100.0%
VOTES RECEIVED
495
RANK
17,589 of 20,647
REPUTATION
3
AVERAGE RATING
0.00
CONTRIBUTIONS
1 File
DOWNLOADS
2
ALL TIME DOWNLOADS
26
RANK
of 163,615
CONTRIBUTIONS
0 Problems
0 Solutions
SCORE
0
NUMBER OF BADGES
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
Feeds
Transforming graphs horizontally and vertically to properly compare
hello so I decided to do some x shift on your data based on the 3 major peaks x locs you can use the regular findpeaks but I...
12 hours ago | 0
Real Time System Identification Problem
hello again well this is only a first rapid trial... without big success unfortunetaly (and I wished you had also posted you...
14 hours ago | 0
How can I calculate the power spectral density of a gaussian pulse?
Gaussian Pulse - FFT & PSD in Matlab & Python - GaussianWaves
1 day ago | 1
How to have a same size of the image with out distortion in a subplot along with the graph?
hello there is a very detailled example here how to manage subplots dimensions (if you want to master it) How do you match t...
6 days ago | 1
| accepted
How to create a concave signal step/ramp in Simulink?
hello again attached a small demo simulink file in blue I highlighted the first order system based on a simple recursive equ...
6 days ago | 0
| accepted
Plotting level sets of a function on a triangulated surface.
hello this is maybe not yet the perfect solution, but ....you can get your curves as 3D points , isolated in separate clusters...
7 days ago | 0
| accepted
Annotation text box appears fuzzy
hello according to the doc TextBox - Text box appearance and behavior - MATLAB you can tweak the properties of the box , f...
8 days ago | 0
How do you match the width of figures in a tiledlayout when using axis equal?
hello well using axis equal will give you different tile widths according to your data range, so for me, there is a conflict be...
10 days ago | 2
imfindcircles doesn't work
hello let's try with your image AA = imread('circle.png'); AA = rgb2gray(AA); BW = imbinarize(AA); [B,L,N] = bwboundarie...
10 days ago | 0
Low frequency results using poctave
hello right, poctave does not go below 3 Hz in the best case and that's already low enough for acoustics (normally) unless y...
13 days ago | 0
How can I plot an impulse (sech(x)) consisting of 2002 points, where last 1001 point are zeros?
hello if you have a recent release (Since R2023b) you can use paddata : here we pad the four first non zero values (your first...
16 days ago | 1
| accepted
Avoiding zeros doesnt wrok while plotiing from a data file.
hello one method is to use interpolation to fill the voids (NaN) % Example data with NaN values x = 1:10; y = sin([1, 2, N...
16 days ago | 0
| accepted
Waterfall diagram and fft for a vibration of an electric motor
hello again this is a demo based on your previously posted data (could not load the one in this post) spectrogram + time plo...
19 days ago | 0
How can I extract the crack from the noise and human drawn grid lines?
the crack detection topic is not a new subject... maybe you should try one of these solutions (quick search) : Crack detection...
23 days ago | 1
How can I make the surface plot (surf) look less shifty between plotted distributions?
hello It took me some time to understand what causes these "slides" what was a bit annoying me is that your X data (dia matr...
27 days ago | 0
| accepted
Why the length of power spectrum is fixed at 4096 when the signal's length varies ?
hello in "auto" mode (i.e when you don't specify the frequency resoltion) , the fft is done with 4096 this is visible in the...
27 days ago | 0
| accepted
setting xaxis labels to only integers
hello using your data I tried to reproduce your plot in figure 1 the modified plot is figure 2 hope it helps ! x_mm = [-...
28 days ago | 0
| accepted
Blood vessel identification from an OCT image
let's try something with edge approach : nice but how do you then isolate the black thicker line as the identified blood vessel...
30 days ago | 0
Fit surface to curves
well , maybe with boundary (shrink factor = 1) and trisurf we have a simple solution - maybe not perfect but visually quite clo...
1 month ago | 2
| accepted
I must take this plot I have and adjust it so the line starts at different points within the plot and I'm not sure how to do so
hello @ryan maybe this ? Nb that Imodified quite a bit your original code for example as we assume the x axis is the reduce...
1 month ago | 0
Undefined function 'findpeak' for input arguments of type 'double'. Error in untitled4 (line 40) [peaks, t] = findpeak(pred);
it's findpeaks with an "s" at the end (missing in your code) findpeaks - Find local maxima - MATLAB
1 month ago | 0
How to integrate over a surface with non-uniform spherical coordinate?
hello seems to me in the first method you are applying sin(theta) twice (one only is needed) integrand = P.* sin(theta) weig...
2 months ago | 0
I have a .mat file that is a 2x1000 matrix. I want to get the 2 rows as data that I can imput into cftool. How would I go about this?
hello @Dakota FYI, a simple code that does not need any special toolbox : load('Data.mat') Time = mat(1,:); Data = mat(2,:)...
2 months ago | 0
Change order of Area and Constantline in the same plot
hello xi was missing so I created a dummy one maybe not the smartest solution, but it does the job : %% Parameters xi = li...
3 months ago | 1
How to improve spectrogram plot?
I played a bit with some parameters and changed from imagesc to surf (pcolor would also work) to allow for optionnal frequency d...
3 months ago | 0
| accepted
Settling time functionality - definition of duration
I could suggest this simple code to answer your last question the first plot shows where the data is within 2% tolerance band ...
3 months ago | 0
| accepted
Selecting which prominence to use with findpeaks
hello again @Henry I am 100% sure to have fully understood all the maths you want to do on your data but I have some suggestion...
3 months ago | 0
| accepted
Data extraction for figure
@Viswajit Talluru with Grabit GRABIT - File Exchange - MATLAB Central it was fairly easy to scan seperatly your 3 curves -...
3 months ago | 0
| accepted
Change colour on grid
hello Andrew one solution is to overlay two mesh plots and ask for the second to have a single bright color (here red) eithe...
3 months ago | 1
| accepted
Simulink Repeating Sequence giving unexpected Results
hello this is probably due to your choice of solver - what are your options ? I opted for a fixed (discrete) sampling with sa...
3 months ago | 0
| accepted
