Steven Lord

MathWorks

Last seen: Today | 自 2002 起处于活动状态

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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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Solve DAEs using IDASolve function of SUNDIALS 2.6.2 version
Since you're using release R2024b, you have access to three of the SUNDIALS solvers via the ode object. This functionality was a...

2 hours 前 | 0

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saveLearnerForCoder and loadLearnerForCoder does not work in R2018a
The saveLearnerForCoder function is part of Statistics and Machine Learning Toolbox and was introduced in release R2019b. Even i...

2 hours 前 | 0

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Storing values in a vector using a loop
Edit: Is there a way to run a function line by line like a live script? Yes, the Debugger.

2 days 前 | 1

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Polyfit built-in function not supported
I suspect that's not the full and exact text of the error message. Please show us all the text displayed in red in the Command W...

6 days 前 | 0

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Max/Min Values in a table
As of release R2023a, you can directly call min on a table or timetable array as long as all the variables are of a data type th...

7 days 前 | 0

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While I run the lsqnonlin on linux, the matlab editor is closed and the message appears on terminal as 'Killed'
the ram executes at full memory and goes out of memory. and everything is crashed. That sounds like MATLAB got killed by the Ou...

7 days 前 | 0

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I am getting error messages when starting MatLab
It seems like that software included a function (an app) named settings. That conflicts with the settings function in MATLAB int...

9 days 前 | 0

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How to sync the location in the editor with the command screen's pwd
See the "Files and Folders MATLAB Accesses" documentation page for a fuller description, but basically if you want your file to ...

11 days 前 | 0

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Callback function after addlistener for National Instruments board
The only place where a search of the MathWorks website finds that function name is this post. Can you tell us where you found th...

11 days 前 | 0

已回答
parfeval evaluation is slow
Have you compared the time of your parfeval call to the time required for a call to the pageeig function?

11 days 前 | 0

已回答
Ignoring Octave-specific code in Matlab 2024b
That error occurs before the code is executed, when MATLAB parses it. That is not syntactically valid MATLAB code and MATLAB can...

11 days 前 | 1

已回答
parpool sometimes errors in compiled application
I'm not certain but I'm wondering if this could be a different manifestation of Bug Report 3324846. Are you using release R2024b...

11 days 前 | 0

已回答
subset enumeration class of an enumeration class
You cannot inherit from an enumeration class as stated on the documentation page listing restrictions on enumerations. They are ...

12 days 前 | 0

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how to access value of edge weight in a biograph?
Since the biograph class was removed from Bioinformatics Toolbox in release R2022b, in order to access the weight of an edge usi...

19 days 前 | 0

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Dynamically name a TextArea
While you can access property names dynamically as stated in the "Reference Properties Using Variables" section of this document...

20 days 前 | 0

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vpasolve only shows 5 significant figures
Let's make sure you're using the functions from Symbolic Math Toolbox. What do these commands display? which -all syms which -...

21 days 前 | 1

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How to arrange elements in one array to match the position of elements in a second array?
Here's your sample data. A = [1 5 3 2 4 4 2 2 3 5 2 1 1 2 0 1 ...

21 days 前 | 1

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change numbers 9.95 and 11.32 to strings '09.95' and '11.32'
m = 2; s = 3.54; d1 = duration(0, m, s) % or d2 = minutes(m)+seconds(s) str1 = string(d1) % or str2a = string(d2) % or str...

25 days 前 | 1

已回答
App designer Line Number jumps, hiding Code
Try one of the "Expand" shortcuts in the Cold Folding Shortcuts subsection in the Code View Shortcuts section on this documentat...

27 days 前 | 0

已回答
Executable Generated not Working when .m File is
See the section titled "Handle Input Arguments in MATLAB" on this documentation page. Those inputs are being passed into the app...

29 days 前 | 1

已回答
How can i use GPU for mathlab2024b version training please, i need steps
Have you reviewed the documentation pages in this category in the Deep Learning Toolbox documentation? If you have, do you have ...

29 days 前 | 0

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How to determine which of several vectors is larger?
Do you want to determine the longest of the vectors, or do you want to interpolate them to a set of "common times"? If so perhap...

29 days 前 | 0

已回答
Error using Mex Command
If you're using release R2024a or later the ability to use SUNDIALS solvers is now available as part of MATLAB. You don't need t...

29 days 前 | 0

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Error using save, too many output arguments - don’t know how to fix.
None of the syntaxes listed in the Syntax section of the documentation page of the save function indicate it returns any output....

30 days 前 | 0

已回答
Catch error with assertError in test case
Remember, you must pass a matlab.unittest.TestCase Class object into assertError as an input argument. You also need to call it ...

30 days 前 | 0

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已回答
Fittype that calls a subfunction and integration with appdesigner
Try specifying the input to fittype not as a text expression but as an anonymous function that calls the local function inside t...

1 month 前 | 0

| 已接受

已回答
Matlab gave me a right value for PA< PB< PZa ,PZb, Pzc but they said the wrong thing about conclusion, they said " does not equl. However, it will equal
I was going to execute this code so we could see what your fprintf statements displayed, but you did not define the variables I ...

1 month 前 | 0

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Hierarchy Parent/Child from same class
I would like to add Parents and Childs between object of the same class. Do you mean you're writing a class and you want each ...

1 month 前 | 0

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how to find my activatin key number
If you're trying to use your company or educational institution's license, ask whoever maintains the organization's software lic...

2 months 前 | 0

已回答
deactivate old coimputer in order to activate new coimputer
See the instructions in this Answers post.

2 months 前 | 0

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