photo

Star Strider


Last seen: Today Actif depuis 2012

Followers: 22   Following: 0

Message

Hic sunt dracones! PROFESSIONAL: Physician (M.D.): Diplomate of the American Board of Internal Medicine; M.Sc. Biomedical Engineering: Instrumentation, Signal Processing, Control, System Identification, Parameter Estimation NON-PROFESSIONAL: Amateur Extra Class Amateur Radio Operator; Private Pilot, Airplane Single Engine Land, Instrument Rating Airplane; Gamer NOTE: I do not respond to emails or personal messages, unless they are about my File Exchange contributions. Time Zone: UTC-7 (Standard); UTC-6 (Daylight Savings/Summer)

Statistiques

All
  • Scavenger Finisher
  • Most Accepted 2023
  • Most Accepted 2022
  • Solver
  • Personal Best Downloads Level 2
  • 5-Star Galaxy Level 3
  • Most Accepted 2021
  • Revival Level 3
  • First Submission
  • Grand Master
  • 36 Month Streak
  • Thankful Level 4

Afficher les badges

Feeds

Afficher par

Réponse apportée
I don't know what this means
I always use unzip by unzipping it into a variable. That would be : uz = unzip('MerchData.zip') for this file, and then pr...

environ 5 heures il y a | 0

Réponse apportée
trying to call a function from a function file in a script file
If ‘afunction’ is tthe same as in your previous questtion, then this syntax should work — x = linspace(-6, 0, 250); figure ...

environ 16 heures il y a | 0

Réponse apportée
I'm just trying to make a function file with the function f(x)=e^cosx -x^3+2x^2+5x-3
I am not certain how you want the function to parse its arguments, so make appropriate changes to it here so it does what you w...

environ 19 heures il y a | 0

Réponse apportée
scale x,y and z axis to match JPL Database
I’m not certain how to use that site, so I don’t know what the plots look like. Probably the function that will best do what ...

environ 19 heures il y a | 0

Réponse apportée
Representation of Gabriel's Horn
If you want it to look more like the image you posted in your question, one option is to use the daspect function.. It allows yo...

environ 19 heures il y a | 0

| A accepté

Réponse apportée
Running a large array
See the documentation section on Tall Arrays (introduced in R2016b). I have rarely needed to use them, so I have little exper...

1 jour il y a | 0

Réponse apportée
How to make bar plot with group mean and add scatter plot on top to demonstrate samples within group?
Apparently the group means are the heights of the bars. Try this — MC1 = randn(50,2)*10 + [80 81]; ...

1 jour il y a | 1

| A accepté

Réponse apportée
how to do a contour plot using function handle?
Provide arguments to ‘M’ and it works — T=linspace(0,2*pi,100); d = linspace(0,2*pi,100) ; [X,Y] = meshgrid(T,d);...

1 jour il y a | 1

| A accepté

Réponse apportée
Eliminate the long number appearing in symbolic calculations
You can conttrol the number of digits displayed by including a second argument (here 7) to your vpa call — syms J1 term = ...

4 jours il y a | 1

| A accepté

Réponse apportée
Finding a a path between two points on a 3d surface that proceeds through lowest value points.
I am not certain what you wantt, and I doubt there is a way to impoose the energy constraints on the path. (The shortestpath fu...

4 jours il y a | 0

Réponse apportée
function find() sometimes doesn't work properly
With Floating-Point Numbers you need to use a tolerance, so with find, usually one of the approaches in tthe second loop will wo...

5 jours il y a | 1

| A accepté

Réponse apportée
Problem of rotation of surface on xy plane
I am not certain what you want. Yopur data do not appear to define a surface, instead they appear almost linear. An alternat...

5 jours il y a | 0

Réponse apportée
How do I pass a dynamic number of output variables to a function?
You can define as many outputs to a function as you want. In the call to the function, you can selectt specific outputs using ...

5 jours il y a | 0

Réponse apportée
how can solve this problem : Conversion to cell from double is not possible.
Perhaps — X = fillmissing(X(:), 'nearest'); .

6 jours il y a | 0

Réponse apportée
Help me generate better spectrogram data using Matlab?
I am not certain what problem you’re having. What information do you want to display? There are actually two Signal Processi...

6 jours il y a | 0

Réponse apportée
How can I plot a matrix using pcolor and colorscale as log?
According to the ColorScale documentation, that property should set the colorbar scale as well. I would not use pcolor. The...

7 jours il y a | 0

Réponse apportée
Interpolate y and y using a 3D vector with similar length
To do the relatively simple first interpolation, use the interp2 function. Tto draw the surface plot, the best option is the ...

8 jours il y a | 0

| A accepté

Réponse apportée
Genetic Algorithm with a graph
I am not certaiin what you want, however creating an options structure using optimoptions and including the name-value pair 'Plo...

8 jours il y a | 0

Réponse apportée
Derivation of noisy signal through Savitzky-Golay
The displayed signal has high-frequency noise that (were you to calculate its Fourier transform) would be sufficiently distant f...

9 jours il y a | 0

Réponse apportée
I enabled fft function in oscillioscope and it saved the data as FFT amplitude (dBV) and frequency domain how ever I want my time domain and ampltude signals original data.
You cannot reliably invert a Fourier transforom unless you also have the phase information. Lacking the phase information, you ...

9 jours il y a | 2

| A accepté

Réponse apportée
I want to plot RMSE from mat file but it gives error
One option is to use the cellfun function (keeping ‘two’ as a cell array). The other option is to use the cell2mat function to ...

10 jours il y a | 0

| A accepté

Réponse apportée
Rotating a line plot to obtain a 360-degree color map
Itt would help to have the data. It also appears that the line is not the same everywhere (it may be part of a matrix), altho...

11 jours il y a | 0

Réponse apportée
How to manually edit located peaks using findpeaks function?
I (almost) always use the 'MinPeakProminence' name-value pair for this sort of problem. Only in the case of significant hyperka...

12 jours il y a | 0

Réponse apportée
Match columns and fill datasets
Using the accumarray function tthis can be done in one line — File_1 = [1 1 1 1 1 ...

12 jours il y a | 0

Réponse apportée
Difference in computational time
It appears to work correctly. What else needs to be done? (W.R.T. ‘Miscellaneous’, you can use the daspect funciton or diffe...

14 jours il y a | 0

| A accepté

Réponse apportée
How to use contourf to plot a mesh not generated in matlab, i.e. imported mesh coordinates from abaqus. The issue is that coordinates are not sequential.
It would help tto have your data. Since there are (x,y,z) coordinates (there can be duplicates), I would use the scatteredInt...

16 jours il y a | 1

Réponse apportée
Coloring area between two graphs in specific interval
It would help to have the code, or at least a file thtat I can get the information from. Lacking that, a bit of creativity ...

17 jours il y a | 0

| A accepté

Réponse apportée
Problem with legend: colors don't match value of variable
I can’t run this since ‘fn’ is missing. n = 101; x = linspace(-100, 100, n); y = linspace(-100, 100, n); [X, Y] = meshgrid(...

17 jours il y a | 0

| A accepté

Réponse apportée
Hello, I would like to know how to draw a shaded region like this?
Perhaps something like this — x = linspace(0, 5, 25).'; y = 5*exp(-0.5*x) + randn(size(x)); fcn = @(b,x) b(1).*exp(b(2).*x...

18 jours il y a | 0

| A accepté

Réponse apportée
I want to access multiple parameters that I have defined in a function
Since the ODE integration funcitons only use the first output of the ODE functiton, one option is to add them as outputs, then w...

18 jours il y a | 0

| A accepté

Charger plus