Steven Lord
MathWorks
Followers: 10 Following: 0
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.
Feeds
已回答
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. ...
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. ...
10 hours 前 | 0
已回答
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.
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 days 前 | 2
已回答
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...
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...
6 days 前 | 0
| 已接受
已回答
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 ...
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 ...
7 days 前 | 0
已回答
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.
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.
7 days 前 | 0
已回答
can we give access to the external users
Please contact Customer Service directly using this link.
can we give access to the external users
Please contact Customer Service directly using this link.
8 days 前 | 0
已回答
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.
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.
9 days 前 | 0
已回答
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...
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...
12 days 前 | 0
已回答
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...
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...
13 days 前 | 0
已回答
Request to rehost MATLAB network license (1102419) to new server IP
Please contact Customer Service or Technical Support directly using this link.
Request to rehost MATLAB network license (1102419) to new server IP
Please contact Customer Service or Technical Support directly using this link.
23 days 前 | 0
已回答
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 ...
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 ...
2 months 前 | 0
| 已接受
已回答
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 ...
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 ...
2 months 前 | 0
已回答
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; ...
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; ...
2 months 前 | 1
| 已接受
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 2
已回答
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)])
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)])
2 months 前 | 0
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 1
已回答
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, ...
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, ...
2 months 前 | 0
| 已接受
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 1
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 0
已回答
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...
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...
2 months 前 | 1
| 已接受
已回答
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...
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...
3 months 前 | 1
