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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trainnet function - randomness and repeatability
What happens when you reset the state or seed of the random number generator before each attempt to train the network? Let's cho...
2 días hace | 0
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Trying to solve for a number of variables in a matrix. Getting a structfun error.
Let's look at what solution is after the call to solve. I just added in a few semicolons to suppress some of the output. E = 10...
16 días hace | 0
Financial Toolbox installed but bndprice function not found
According to the output of ver that you posted, you're using MATLAB Online (basic). According to the FAQ on the page describing ...
17 días hace | 0
Reading a string & sorting it into usable variables
Let's take a sample string. S = "Layup: [45/-45/0/90/90/0/-45/45]"; Get the text after the leading [ S2 = extractAfter(S, "["...
22 días hace | 0
I have downloaded this package, but can not seem to use the "readDistance' command.
Searching the documentation for functions named readDistance, I found two hits on the first page. The first one requires the MA...
23 días hace | 1
Confidence interval in fit
Use the confint function on the object returned by fit.
24 días hace | 0
Dialog box Unable to resolve the name 'matlab.io.internal.xlsreadSupportedExtensions' error prevents me from opening a file
The fact that the error occurs on line 5 of pad (which in my installation of release R2025b is completely blank) in a call to re...
29 días hace | 0
MATLAB standalone App Dynamic Class
From the documentation "MATLAB Runtime only works on MATLAB code that was encrypted when the deployable archive was built. Any f...
29 días hace | 0
Indexing behavior of table properties
In the former case, it is table's indexing code that is performing all the indexing steps. It knows how to index into the proper...
alrededor de 1 mes hace | 1
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pathdef and resulting path very long
If you have a lot of products and/or add-ons in your installation, the path may have a lot of entries. V = ver; S = split(path...
alrededor de 1 mes hace | 0
| aceptada
fread a double that's been broken up into four 16 bit words
Let's make four random 16 bit integers. A = randi([intmin('uint16'), intmax('uint16')], 1, 4, 'uint16') Now we can typecast th...
alrededor de 1 mes hace | 2
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How to read in m-files into a Matlab-generated-Exe
From the documentation "MATLAB Runtime only works on MATLAB code that was encrypted when the deployable archive was built. Any f...
alrededor de 1 mes hace | 0
Where can I download matlab/simulink example projects?
You're probably not going to be able to run the whole example without all the products listed in the box in the upper-right corn...
alrededor de 1 mes hace | 0
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How do I use 'intersection' to get the overlapping line between two polyshapes?
These two polyshapes touch but do not intersect. x1 = [1 4 4 1]; y1 = [1 1 4 4]; x2 = [4 6 6 4]; y2 = [2 2 3 3]; poly1 = po...
alrededor de 2 meses hace | 1
MATLAB crash during matrix multiplication in Matlab Function
Can you confirm that you've looked in the locations given in this Answers post and cannot find any crash log files created at th...
alrededor de 2 meses hace | 0
String to double conversion misunderstanding
The mistake is that you're using command form for calling the class function, not function form. These: class ACVoltageR class...
alrededor de 2 meses hace | 2
What is the proper way to clean up internal timers when deleting a MATLAB class object?
Depending on exactly how you're creating the timer object, if you're using release R2024b or later perhaps creating a weak refer...
alrededor de 2 meses hace | 0
Determine which delaunayTriangulation Constraints correspond to input constraints?
I have not looked at the spatialgraph2D tool Matt J suggested, but I suspect you can do the same thing using functionality inclu...
alrededor de 2 meses hace | 0
CAT12 fails in MATLAB R2025b due to WebGL/ANGLE OpenGL incompatibility, but works in R2023a
The Release Notes state, among other things: "Calling the opengl (R2025a) function has no effect. To query the graphics renderer...
2 meses hace | 0
does installing toolbox that has different version than your matlab program cause a problem
For MathWorks toolboxes, I believe the Installer and Add-Ons Manager ought to disallow you from "mixing and matching" releases. ...
2 meses hace | 0
Unbale to write scrips and program in MATLAB for application level
I suggest you start with the free MATLAB Onramp tutorial to quickly learn the essentials of MATLAB.
2 meses hace | 2
Mixing name/value pair syntax
Suppose I show you this call. How would you as a human interpret it, and how would MATLAB interpret it (were it syntactically le...
2 meses hace | 0
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I want to define inputs for the function quantized_signal
Are you asking in general about how to call functions in MATLAB? If so you probably want to look at this section of the Getting ...
2 meses hace | 0
Calculate mean and standard deviation from 30-years of global wind data
Consider using groupsummary, specifying the groupbins input argument to control how the data is discretized into bins.
2 meses hace | 0
can we give access to the external users
Please contact Customer Service directly using this link.
2 meses hace | 0
How to keep formatting when cutting and pasting to office
Try right-clicking in the email and selecting "Keep Source Formatting" under Paste Option in the context menu that comes up.
2 meses hace | 0
Timetables not fully supported by plot tools?
Let's say that with basic fitting, you wanted to fit a quadratic (y = a(1)*x^2+a(2)*x+a(3)) to your data. If the x data was doub...
3 meses hace | 0
Dealing with Duration format
Use detectImportOptions to see how MATLAB would decide to import the data by default based on the contents of the file. Once you...
3 meses hace | 0
Request to rehost MATLAB network license (1102419) to new server IP
Please contact Customer Service or Technical Support directly using this link.
3 meses hace | 0
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 ...
4 meses hace | 0
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