Steven Lord
MathWorks
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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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Why are the functions constSincNet and SincNetLayer absent in the "Speaker Identification Using Custom SincNet" example?
Please click on the "Copy Command" button in the upper-right corner of the example page then paste that command into MATLAB and ...
18 Tage vor | 0
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webread can't read the table of a website
Are you trying to read in the data sets? If so I'd look at the "Download Dataset" link in the upper-right corner. Once you have ...
20 Tage vor | 0
Add a datestr to duration data to get in datestr format
Rather than using date strings or serial date numbers, use datetime arrays. x = 1:10; dt = datetime(2025, 12, x); y = x.^2; ...
21 Tage vor | 1
| akzeptiert
Find position of cell array within another cell array or table or in a structure
Are you using a graph or digraph object? Do you have the additional struct information stored as a separate variable or have you...
21 Tage vor | 0
Why does uint64([9007199254740993]) results in 9007199254740992? What happens to the least significant bit?
MATLAB recognizes this: x = uint64(9007199254740993) as a literal constant being used to construct a uint64 variable. It doesn...
21 Tage vor | 2
Using fprintf for complex numbers
You may want to use + in the format specifier. A = [3+4i, 5, 6-7i] fprintf("%d%+di\t", [real(A); imag(A)])
23 Tage vor | 0
I want to suppress: useCS = logical 1 in command window
You can tell MATLAB to enter debug mode when unsuppressed output occurs. Use this to determine where the semicolon on the line t...
25 Tage vor | 0
what's my license number?
If you're asking how to find your license number inside MATLAB, call the license function. If you're trying to use your company...
etwa ein Monat vor | 1
Returning line before after searching for pattern
A is a logical array with the same number of rows as the string array readfile. So if you remove/ignore the first element of A, ...
etwa ein Monat vor | 0
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Why does having only one row in table, break dot indexing?
Let's make some sample data. C = cell(10, 1); actualHeights = zeros(size(C)); for k = 1:height(C) h = randi(10); ac...
etwa ein Monat vor | 0
Simulink closes without any warning, message, error or reason **Tons of hours of work lost every single day**
Searching the Bug Reports for Simulink in release R2024b for the word "crash" finds 42 hits. I recommend reading through the sum...
etwa ein Monat vor | 0
go back to previous if condition from an elseif in for loop
I would probably turn your disp calls (which I'm assuming are placeholders for what you're actually doing in those cases) into f...
etwa ein Monat vor | 0
Defining a function in one file and using it in a second file
Script files Inside of a script file, all functions defined inside it are local functions. That means they can only be called d...
etwa ein Monat vor | 0
Error getting in.
I'm guessing that you are receiving a licence manager error when you try to start MATLAB. If that's the case, add the license ma...
etwa ein Monat vor | 0
Sharpening a 2D histogram and finding peaks
You're not plotting a histogram using histogram or histogram2, but did you create the data that you passed into surf using one o...
etwa ein Monat vor | 0
How can I get the license key?
If you're trying to use your educational institution's license, ask whoever maintains the organization's software licenses (prob...
etwa ein Monat vor | 1
Is There a Way to Create a Sequence of Polar Plots in a Tiled Layout Using arrayfun with an Anonymous Function?
Using just an anonymous function alone? No, I don't think so. Probably the easiest way to do what you want is to define one gene...
etwa ein Monat vor | 0
It mandatorily requires “pretrained deep network for automated labeling” Task : How do we create a PreTrained Deep Network with the existing data?
What is "it" in this case? If it's a specific documentation page or example that you're referring to, please add a comment linki...
etwa 2 Monate vor | 0
First value of an array does not display with a decimal
The disp function doesn't let you control the format with which the values are displayed. Instead, use either fprintf or (what I...
etwa 2 Monate vor | 1
| akzeptiert
How to compute the middle part of a sorted eigenvalues of an extremely large sparse matrix
With the default options, eigs computes the largest eigenvalues and eigenvectors. But depending on what you specify as the sigma...
etwa 2 Monate vor | 1
how i can reprenst in matlab?
It's not clear to me what the question is, unless it's "How can I populate a vector with multiple copies of numbers without typi...
etwa 2 Monate vor | 0
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Anyway to make this more concise?
Rather than depending on users typing in the strings exactly as you're looking for them, if you know what variables will be in y...
etwa 2 Monate vor | 0
Add folder and subfolder to project path
From the documentation page's Version History section: "Starting in R2025a, the addPath function supports adding multiple folder...
etwa 2 Monate vor | 1
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whats wrong in this function?
Let's look at the signature of your function (with some line breaks added to avoid scrolling.) function [massetetthet_ZnBr2,mas...
etwa 2 Monate vor | 1
Include variable value when throwing exception
Why not just build up the appropriate string containing the message with the information you want it to include then call error ...
2 Monate vor | 0
In how many functions using the global variable, can a global variable be declared?
A variable in the global workspace is accessible from any workspace where it is declared as global. You may think this is good, ...
2 Monate vor | 1
ldpc_dataFormation function missing in documentation
Use the Copy Command button on that example documentation page, then run that command in MATLAB. Assuming you have the toolbox t...
2 Monate vor | 0
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Error using filterDesigner (line 85) Value must be a handle. macOS R2025b
Can you show us the output of these commands? which -all sigtools.fdatool which -all fdatool I suspect you've installed somet...
2 Monate vor | 0
Why do Nan values greatly increase the cost of sparse multiplication
Let's look at a sample sparse matrix. S = sprand(1e4, 1e4, 0.1); status = @(M) fprintf("The matrix has %d non-zero elements, a...
3 Monate vor | 0
How can I execute a function if it exist, otherwise use a custom function?
Are you trying to use MATLAB Compiler or MATLAB Coder? If the former, you should know that any code that you want the compiled a...
3 Monate vor | 0
