Star Strider

Last seen: Today | 2012년부터 활동

Followers: 46 Following: 0

메시지

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)

통계

All

배지 보기

Feeds

답변 있음
Iam getting the following ERRO: Array indices must be positive integers or logical values on the following code.
You need to create the ‘q’ functions as Anonymous Functions and then call them as functions of ‘t’ in the plot calls. Try thi...

대략 8시간 전 | 0

답변 있음
IFFT of frequency dataset
‘(not starting at 0)’ That’s probably the problem. Essentially your data are then a sort of rectangular-window-bandpass-fil...

대략 10시간 전 | 0

답변 있음
Plotting around zero deg. Angle
Aside from not having any image to work with, I am not certain what you want. First use plot to see what the problem may be. ...

1일 전 | 0

답변 있음
MATLAB R2023b gui in ubuntu 24 is not opening files after launch. Displaying some errors and shutdown
According to MATLAB and Simulink Requirements 24.02 is supported. It would be best for you to Contact Support for installatio...

1일 전 | 0

답변 있음
Problems at start in ubuntu 24.04.2
According to MATLAB and Simulink Requirements 24.02 is supported. It would be best for you to Contact Support for installatio...

1일 전 | 0

답변 있음
xlabel and ylabel errors
This is instructive: when I run it brings the following error Index exceeds the number of array elements. Index must not ex...

1일 전 | 0

| 수락됨

답변 있음
Sending Multiple Data to Excel from MATLAB?
If you have R2013b or later, collect the data you want in a table, configure the table the way you want it, and then use the wri...

1일 전 | 0

답변 있음
How to code an equation with that integrates a vector.
Siince ‘u’ is also a vector — u = @(t) [sinh(t); cosh(t); tanh(t)] int_u = integral(u, 0, 1, ArrayValued=true) A = rand B =...

2일 전 | 0

답변 있음
update guess in fsolve
I am not certain what you are actually asking. If possible (if an equation can be plotted), I usually begin by plotting iit t...

2일 전 | 1

답변 있음
Feeding a variable in a set of ODEs from an external nested for loop
It is difficult for me to follow what you are doing. I would create the ‘q_T_values’ and ‘q_b_values’ calculation as a separa...

2일 전 | 0

답변 있음
I can't run wavedec2() - 'unrecognized function or variable'
You may be having path probleems. Run these: restoredefaultpath rehash toolboxcache from a script or your Command Windo...

2일 전 | 0

답변 있음
time series fitting to statistical moments
‘where a and sigma are unknown parameters’ Beyond that, I am clueless as to any appropriate way to do this parameter estimation...

4일 전 | 0

답변 있음
Distinguish the different curves and identify the points corresponding to each way
Another approach, using the stackedplot (introduced in R2018b) function — T1 = array2table(10*(rand(100,5)+(4:-1:0)), Variable...

4일 전 | 1

| 수락됨

답변 있음
Why i get error message when trying using lowpass?
Since it seems to be installed, you may be having path problems. Run these from a script or your Command Window: restoredef...

5일 전 | 0

답변 있음
Can I set a datetime locale for readtable in a script?
Note that "dd/MM/yyyy :hh:mm:ss" uses 12-hour format (using hh for the hours) without the AM/PM indicator. To use 24-hour forma...

6일 전 | 0

| 수락됨

답변 있음
Image Processing Toolbox not found despite being installed
Run these from a script or your Command Wiindow: restoredefaultpath rehash toolboxcache If that still does not solve tthe p...

6일 전 | 0

| 수락됨

답변 있음
3d lines plot
Peerhaps something like this — t = linspace(0, 1).'; x = sin(2*pi*t); y = cos(2*pi*t); z = x+y; figure plot3(x, y, z) ...

6일 전 | 0

| 수락됨

답변 있음
Potential flow past an airfoil
Check the File Exchange. When I did and searched on ‘airfoil’, I found: Plot Pressure Distribution (Cp) Over an Airfoil / Aer...

7일 전 | 0

답변 있음
Forcing robustfit to return an intercept
Note that ‘Y’ is single precision. MATLAB defaults to the lowest precision, so casting it as double produces a non-zero interce...

7일 전 | 0

| 수락됨

답변 있음
How can I extract specific weather data from a 3D grid?
Without even representative data, I’m not certain even how to simulate this. I would use the scatteredInterpolant function fi...

8일 전 | 1

| 수락됨

답변 있음
ODE time vector plot does not correspond to the time vector values
We don’t have your ‘ode_arm’ function, however it may be that ode23 is encountering a singularity () at about 0.9 time units, an...

8일 전 | 0

답변 있음
Alternative to ginput for finding curve intersections with unevenly spaced data in MATLAB
Another approach — x = [linspace(0, 2.4) linspace(5.2, 7, 8)].'*1E-3; y1 = [x(x<=2.4E-3)*580/2.4E-3; 500*ones(size(x(x>2.5E...

10일 전 | 1

답변 있음
Plot: Dots won't go higher than y=0
If you add: set(gca, 'YScale','log', 'YLim',[10 1E+8]) you will see that the green dots plot appropriately. The y-axis limit...

11일 전 | 0

답변 있음
Extracting number after a string in header of CSV file
One approach — C1 = readcell('DummyData.txt') str = {'Memory Length','Horizontal Scale','Sampling Period'}'; idx = cellfun(@...

11일 전 | 0

| 수락됨

답변 있음
Plot the function on graph
Consiider fplot. I have n o idea what ‘forina’ refers to, however the rest is straightforward — b = 2; y = @(x) sqrt(9*x +...

12일 전 | 0

답변 있음
Load data into the "System Identification Toolbox"
Since you have time-domain data, use the iddata function to prepare it for the identification function of your choice. (I prefe...

12일 전 | 0

| 수락됨

답변 있음
Extracting Zoomed in part of curve and finding rising Edges of data
Depending on the result you want, it might be easier to use islocalmax for this — T1 = readtable('DS0007_REDUCED.CSV') t = ...

14일 전 | 0

| 수락됨

답변 있음
How to print array value and it's undex?
It would be necessary to print the indices as well — data(6500:6503,:) = [100 105 10...

15일 전 | 0

| 수락됨

답변 있음
How to make color axis ticklabes with two end limits ([cmin cmax]) only?
One problem may be that your clim call (at least as posted) needs parentheses. This call to clim: cl = clim; should retur...

15일 전 | 0

답변 있음
Horizontal Freestream Flow Issues With Symbolic Math Toolbox
The ‘ZData’ matrix from the symbolic code appear to be transposed with respect to ‘psi_vals_fs’. This is likely due to the assu...

18일 전 | 0

| 수락됨

Star Strider

통계

Community

MATLAB Answers

MATLAB Answers

Cody

File Exchange

File Exchange

MATLAB Answers

MATLAB Answers

MATLAB Answers

File Exchange

MATLAB Answers

MATLAB Answers

Feeds