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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Download the example for “Estimate Battery Model Parameters from HPPC Data” does not work. Is it possible to get access to it?
According to that example's page in the online documentation, that example was introduced in release R2025a. Looking at the Rele...
Download the example for “Estimate Battery Model Parameters from HPPC Data” does not work. Is it possible to get access to it?
According to that example's page in the online documentation, that example was introduced in release R2025a. Looking at the Rele...
4 hours 前 | 0
已回答
Display data in a while loop as a table
Rather than building a new table each time, I'd create one before your loop and add to it then display it at the end. f=@(x) x^...
Display data in a while loop as a table
Rather than building a new table each time, I'd create one before your loop and add to it then display it at the end. f=@(x) x^...
1 day 前 | 0
| 已接受
已回答
2019b download installer
For information on how to check if you can download previous releases of MATLAB, see the instructions in this Answers post.
2019b download installer
For information on how to check if you can download previous releases of MATLAB, see the instructions in this Answers post.
1 day 前 | 0
已回答
No slrealtime.Instrument.LineStyle in R2020b:
slrealtime.instrument.LineStyle is not the same as slrealtime.Instrument.LineStyle. From the error message you're using a capita...
No slrealtime.Instrument.LineStyle in R2020b:
slrealtime.instrument.LineStyle is not the same as slrealtime.Instrument.LineStyle. From the error message you're using a capita...
3 days 前 | 1
| 已接受
已回答
Unrecognized method, property, or field 'AudioFileName' for class 'Denoising_Audio_Signals'.
If you open the app from that example in MATLAB, it defines a private property named AudioFileName (line 29.) Where in your app...
Unrecognized method, property, or field 'AudioFileName' for class 'Denoising_Audio_Signals'.
If you open the app from that example in MATLAB, it defines a private property named AudioFileName (line 29.) Where in your app...
3 days 前 | 0
| 已接受
已回答
Code generation for polybuffer
Can you confirm which release of MATLAB you're using? It appears that the C/C++ code generation support for polybuffer was added...
Code generation for polybuffer
Can you confirm which release of MATLAB you're using? It appears that the C/C++ code generation support for polybuffer was added...
4 days 前 | 0
| 已接受
已回答
Creation of a standalone executable app
You will need to use Simulink Coder (product information page) for that workflow. See the Simulink Coder documentation for more ...
Creation of a standalone executable app
You will need to use Simulink Coder (product information page) for that workflow. See the Simulink Coder documentation for more ...
4 days 前 | 0
已回答
Does Matlab 2023b support Classification learner like what I got trainned in ML Module?
There are 44 items in the Release Notes for Statistics and Machine Learning Toolbox listing new features introduced in Classific...
Does Matlab 2023b support Classification learner like what I got trainned in ML Module?
There are 44 items in the Release Notes for Statistics and Machine Learning Toolbox listing new features introduced in Classific...
5 days 前 | 0
| 已接受
已回答
Unsuccessful use of anonymous function for time-varying boundary condition
When you run this line of code (commented out so I can run one line of code later in this answer): %{ applyBoundaryCondition(t...
Unsuccessful use of anonymous function for time-varying boundary condition
When you run this line of code (commented out so I can run one line of code later in this answer): %{ applyBoundaryCondition(t...
8 days 前 | 0
| 已接受
已回答
use rescale with matrix
From the rescale documentation page: "R = rescale(A,l,u) scales all elements in A to the interval [l u]." The second input argu...
use rescale with matrix
From the rescale documentation page: "R = rescale(A,l,u) scales all elements in A to the interval [l u]." The second input argu...
8 days 前 | 0
| 已接受
已回答
fmincon returning to initial values not true
It's likely going to be difficult to offer any concrete guidance without seeing or knowing more about newcostfunc. Does it call ...
fmincon returning to initial values not true
It's likely going to be difficult to offer any concrete guidance without seeing or knowing more about newcostfunc. Does it call ...
8 days 前 | 0
已回答
Custom Colours of a Pie Chart Sections
This wasn't an option when the question was originally asked, but if you're using release R2023b or later you could use the piec...
Custom Colours of a Pie Chart Sections
This wasn't an option when the question was originally asked, but if you're using release R2023b or later you could use the piec...
9 days 前 | 1
已回答
Problem with computeInitialWeights function
Open the example in MATLAB or MATLAB Online using the appropriate button in the upper-right corner of the example. [To open in d...
Problem with computeInitialWeights function
Open the example in MATLAB or MATLAB Online using the appropriate button in the upper-right corner of the example. [To open in d...
10 days 前 | 0
已回答
Using a config file to specify model set-up (.json or .env??)
MATLAB has functions for reading in data from JSON files, see this documentation page for a list. It also has functions for rea...
Using a config file to specify model set-up (.json or .env??)
MATLAB has functions for reading in data from JSON files, see this documentation page for a list. It also has functions for rea...
11 days 前 | 1
| 已接受
已回答
Could you show me what is the formula Matlab has used to calculate the Formatpoints - WorstAndBestScores?
I recommend reading through the Algorithms section on the documentation page. If it doesn't provide enough information, I would ...
Could you show me what is the formula Matlab has used to calculate the Formatpoints - WorstAndBestScores?
I recommend reading through the Algorithms section on the documentation page. If it doesn't provide enough information, I would ...
11 days 前 | 0
已回答
Is there a way to suppress command outputs to command window?
If you're using a sufficiently recent release of MATLAB, create a codeIssues object for the file then call fix with the object a...
Is there a way to suppress command outputs to command window?
If you're using a sufficiently recent release of MATLAB, create a codeIssues object for the file then call fix with the object a...
14 days 前 | 1
已回答
logarithmic binning of "x" values
Use histogram, histcounts, discretize, and/or groupsummary. Since your application is that you want to perform an operation summ...
logarithmic binning of "x" values
Use histogram, histcounts, discretize, and/or groupsummary. Since your application is that you want to perform an operation summ...
15 days 前 | 2
已回答
Generate n random numbers between 0.1 and 0.9 without repetition
When you compute: lower_limit = 0.1; %define the upper limit higher_limit = 0.9; x = lower_limit:higher_limit The vector x ...
Generate n random numbers between 0.1 and 0.9 without repetition
When you compute: lower_limit = 0.1; %define the upper limit higher_limit = 0.9; x = lower_limit:higher_limit The vector x ...
15 days 前 | 0
| 已接受
已回答
Remove outliers but be careful with end points
Do you want to remove the outliers or do you want to fill them in? If the latter, see the filloutliers function.
Remove outliers but be careful with end points
Do you want to remove the outliers or do you want to fill them in? If the latter, see the filloutliers function.
15 days 前 | 1
已回答
How can we see yticks below zero as positive and keep labels updated when zooming in?
You could use the zoom mode object returned from the zoom function to specify an ActionPostCallback that will be called after MA...
How can we see yticks below zero as positive and keep labels updated when zooming in?
You could use the zoom mode object returned from the zoom function to specify an ActionPostCallback that will be called after MA...
16 days 前 | 0
已回答
Convert Variable Name to Text and Use in Plot Title
In this simple case, just writing: Plot_Title = 'My_Table'; % or Plot_Title = "My_Table"; would do the trick. If you want th...
Convert Variable Name to Text and Use in Plot Title
In this simple case, just writing: Plot_Title = 'My_Table'; % or Plot_Title = "My_Table"; would do the trick. If you want th...
18 days 前 | 0
| 已接受
已回答
How can i use pre-installed matlab when i don't have a network connection
What does "broken" mean in this context? Do you receive warning and/or error messages? If so the full and exact text of those m...
How can i use pre-installed matlab when i don't have a network connection
What does "broken" mean in this context? Do you receive warning and/or error messages? If so the full and exact text of those m...
18 days 前 | 0
已回答
Using Summary on a table to access just the last 2 column stats
As shown on this documentation page, one of the ways to extract a sub-table from a table is numeric indices. M = magic(5); sam...
Using Summary on a table to access just the last 2 column stats
As shown on this documentation page, one of the ways to extract a sub-table from a table is numeric indices. M = magic(5); sam...
23 days 前 | 0
已回答
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...
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...
25 days 前 | 0
| 已接受
已回答
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...
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...
25 days 前 | 0
已回答
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.
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.
28 days 前 | 1
已回答
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...
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...
1 month 前 | 0
已回答
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...
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...
1 month 前 | 0
已回答
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...
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...
1 month 前 | 0
已回答
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...
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...
1 month 前 | 0
