Steven Lord
MathWorks
I joined The MathWorks in the Technical Support department during the summer of 2001 and transferred into the Quality Engineering department in March of 2004. I now work qualifying the core MATLAB numerical functions (PLUS, MINUS, LU, FFT, ODE45, etc.)
Professional Interests: mathematics, MATLAB
For assistance with MATLAB question please post to MATLAB Answers or contact Technical Support using the Contact Us link in the upper-right corner of the page instead of contacting me directly.
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Content Feed
I am a single person business; may I install Matlab on my laptop computer as well as my desktop computer on the same license?
For an official answer to licensing questions, please contact Customer Service and/or your sales representative. Depending on w...
약 16시간 전 | 0
how to plot each bin of data individually?
Can you tell us which of the thumbnail pictures for the plotting functions included in MATLAB look closest to what you want to p...
약 20시간 전 | 0
Please help me an error occur
Let's look at each of the terms you're trying to concatenate together. term1 = 1:5 term2 = 6:-0.2:5.2 term3 = [13 4 - 3 1 30]...
약 20시간 전 | 1
turn code into a class???
A function accepts input arguments and returns output arguments. What do you want your function to accept as inputs and what do ...
1일 전 | 0
How to use Comparison tags inside my class? or any other operators?
You haven't defined what it means to perform the == operator (whose function name is eq) on instances of your class. Did you in...
1일 전 | 1
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Convert Python time to Matlab datum
Don't convert to a datenum. Depending on how the Python timestamp represents the date and time, I suspect some of the values for...
4일 전 | 0
PSAT does not work
I suspect that toolbox has a settings.m file that is in conflict with the settings function included in MATLAB. You can check th...
5일 전 | 0
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Can someone explain to me line by line whats happening in this code? Im REALLY in need of help.
If you mean what each of the commands does, you'd probably get faster answers if you looked at the documentation for the functio...
6일 전 | 0
Maximizing along n-1 dimensions of an n-dimensional array without a for loop
VV=randi(1000, 5, 5, 5); [values, locations] = max(VV, [], 1:ndims(VV)-1, 'linear'); check = [reshape(values, [], 1), reshape(...
6일 전 | 1
How to show that calculation is going in MATLAB App
You could use a uiprogressdlg dialog.
7일 전 | 1
I cannot find function hRISelect for Matlab's 5G Toolbox example.
Try opening the example in MATLAB. When you do MATLAB will change directory to the one containing the example. Look in that dire...
7일 전 | 0
Multiplying a 2d matrix with each slice of 3d matrix
In release R2020b we introduced the pagemtimes function for this purpose.
8일 전 | 2
problem in unresolvedSymbols.txt: how to solve the undeployable problems?
Creation of symbolic variables using sym or syms is not supported with MATLAB Compiler. You may be able to perform your symbolic...
10일 전 | 0
Looking for the example dataset used in the tachorpm demonstration (to do a live demo for a class).
Check the output of the ver function. Do you have Signal Processing Toolbox installed? I suspect you do not.
10일 전 | 0
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Can I get the mathematical expression of an interpolation?
Are you looking for a mathematical expression for the fitted model or do you just want to be able to evaluate the fitted model a...
11일 전 | 0
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Splitting matrix and create new matrix
Can you create variables named B1, B2, ...? Yes. Should you do this? The general consensus is no. See that Answers post for an ...
11일 전 | 0
MATLAB online doesn't work
There was an outage between 2:01 AM and 6:50 AM EST according to the Application Status page. Were you trying to use MATLAB Onra...
11일 전 | 0
Unrecognize position() function
Looking at the documentation page it appears you're trying to use the "Define UAV Platform and Mount Sensor" section of the exam...
11일 전 | 1
An error occurred while establishing the MATLAB course session
There was an outage between 2:01 AM and 6:50 AM EST according to the Application Status page. Were you trying to use MATLAB Onra...
11일 전 | 0
How to create vectors out of (histogram) bins and take averages?
You can use groupsummary. x = rand(10, 1); y = rand(10, 1); data = table(x, y) % For display edges = 0:0.25:1; % Take the m...
11일 전 | 0
addVoid and addCell functions are not installed when installing PDE toolbox
The notes at the end of the documentation page for addVoid and the documentation page for addCell states that each of those func...
11일 전 | 0
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No MATLAB resources available
There was an outage between 2:01 AM and 6:50 AM EST according to the Application Status page. Were you trying to use MATLAB Onra...
11일 전 | 1
convert cell of 'True' and 'False' values to a numeric array of 1s and 0s
s = {'true', 'false'}; C = s(randi(numel(s), 5, 5)) L = matches(C, 'true') This same works if you wanted to use a string arra...
11일 전 | 0
해결됨
The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...
11일 전
How to average strings and numbers in the same table
Something like this? filename = {'A1B10'; 'A1B10'; 'A3B10'; 'A3B10'; 'A3B5'}; X = [60; 45; 70; 40; 38]; Y = [25; 21; 24; 23; ...
12일 전 | 1
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Find graph node names beginning with a few characters
Using a modified version of one of the documentation examples and splitting the code into multiple lines for ease of explanation...
12일 전 | 1
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Help in producing a Matlab code that simulates Sine and cosine from rotating vector in a circle
It probably wouldn't be too hard to do something like that using the techniques described in this section of the documentation.
12일 전 | 0
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Using F1 for help, gives help for wrong function
Does the variable p exist in the workspace when you ask for help? It's not sufficient that the code to create that variable as a...
12일 전 | 0
HOW DO I USE AVERAGEIF(excel) IN MATLAB?
Take a look at the |groupsummary| function.
12일 전 | 0
