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Steven Lord

MathWorks

Last seen: Today |  2002년부터 활동

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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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finding the value at a specific time from second-order ODE
You could call ode45 with just one output argument and then call deval, or you could call ode45 with the desired time as one ele...

2일 전 | 1

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Combine Two polyshape Objects Similar to addCell Functionality
p1 = nsidedpoly(4); p2 = nsidedpoly(5); The union function makes a polyshape with 1 region. P = union(p1, p2) Concatenation ...

3일 전 | 0

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how would one use logic commands to run separate function files with single-statement intput?
Use the input function with the 's' option to allow the user to type in a string, or you could use uigetfile to let the user sel...

5일 전 | 1

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Spacing correction in documentation.
The spacing looks correct to me in the version of the documentation online to which you linked. Could you state which browser yo...

7일 전 | 0

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Matlab Compiler: Is "userpath" always there and accessible?
I would probably try using the tempdir and/or tempname functions.

7일 전 | 0

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Using accumarray or a similar method for tables
This wasn't an option in the release the original poster was using (the two functions required were released in release R2016b, ...

8일 전 | 1

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Convert a Cell array to a timetable
If you have a set of row vectors in a cell array sampleCell = {1:10, 11:20, 21:30}; first to accomplish your stated goal you n...

8일 전 | 0

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Can the random function accommodate the randi function?
I would not position random as replacing the more specific pseudorandom number generation functions. See the Alternative Functio...

12일 전 | 2

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Input a variable into a plot title
With the introduction of the string array in release R2016b (and the ability to enclose text data in double quotes to create a s...

13일 전 | 25

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I want a Mathworks Polo Shirt
We have now opened the MathWorks Merch Shop. See this blog post for more information.

14일 전 | 1

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MATLab promotional items?
We have now opened the MathWorks Merch Shop. See this blog post for more information.

14일 전 | 0

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May I have some Matlab stickers?
We have now opened the MathWorks Merch Shop. See this blog post for more information.

14일 전 | 0

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Wondering if you have any merchandise for sale cause I'd love to look like a part of the MATLAB team 😀
We have now opened the MathWorks Merch Shop. See this blog post for more information.

14일 전 | 2

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How do I get MathWorks Promotional Items or Accessories?
We have now opened the MathWorks Merch Shop. See this blog post for more information.

14일 전 | 0

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how to calculate mape
The mape function was added to MATLAB in release R2022b.

14일 전 | 0

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"platform" error after copying Matlab example to a PC
Comparing the version of the example from release R2023a and the version from the most recent release (as I type this, release R...

15일 전 | 0

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when open MATLAB there is such error on command window Error using settings. Too many output arguments. how to solve it
If you've written your own settings.m file, it's likely conflicting with the settings function that's part of MATLAB. Rename you...

16일 전 | 0

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Error "gausswin requires Signal Processing Tool"
The gausswin function is part of Signal Processing Toolbox. Do you have this toolbox installed and licensed? To check if you hav...

16일 전 | 0

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What is wrong with my approach to building this histogram?
From the documentation for the polarhistogram function: "polarhistogram(theta) creates a histogram plot in polar coordinates by ...

16일 전 | 0

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If else statement now hanging up and error message Subscripting into a table using one subscript
If I remember correctly, indexing into a table array using parentheses and one subscript has never been supported. So if that wo...

16일 전 | 0

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Why don't I need a comment character after an (...) ellipsis?
Because that's what the ellipsis is documented to do. From that documentation page: "The ellipsis symbol (...) continues the cur...

20일 전 | 1

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Linear indices from colon operator
See sub2ind.

20일 전 | 1

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Multiple outputs from anonymous function
When you define an anonymous function, assign it to one output. f = @(x) svd(x, "econ") % Define f When you call an anonymous ...

21일 전 | 0

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null or NaN entries in image arrays?
If your images are stored in an integer data type, assigning a NaN value into that array will store a 0 in that location. There ...

22일 전 | 0

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Class property described, but not available for serialPort objects?
The Version History section on that documentation page states that there is a "New Tag Property" introduced in release R2024a. S...

22일 전 | 1

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Is there a way to define a callback function in Matlab that triggers on runtime errors?
Depending on what exactly you want to clean up, creating an onCleanup object may be of use to you. When this object is destroyed...

24일 전 | 0

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Unit testing of a script that requires a file as input
I would split your script into two pieces: An interface piece that calls input. This piece would not be used during automated t...

26일 전 | 0

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Constructing a string with several index requirements
r2 = [0 30 60 90 120 150 180 210]; ind = 0:numel(r2)-1; result = join("ScanArray(0)(" + ind + ")=" + r2, newl...

26일 전 | 1

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Changing values in an array with unknown dimension
You can use ind2sub as suggested in the answer posted by @Jaynik. But as they wrote that code, they hard-coded the number of dim...

27일 전 | 1

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Mesh error on my Matlab R2024a home edition
You have your own script named strings.m. MathWorks introduced a strings function in release R2016b and this function appears to...

대략 1개월 전 | 0

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