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trying to follow the convert-to-spiking example. load("DigitsDataTrain") does not work. I can't find a DOWNLOAD for this .mat file either. John
Open the example in MATLAB or in MATLAB Online. This will cause the current directory to change to the directory containing the ...

1 year ago | 0

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Problem with direct calculation on table with std and "omitnan"
This looks like a bug to me. It seems that std for table arrays assumes that if you're passing the missingflag input that you've...

1 year ago | 0

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Help Needed: Fixing Indexing Error in MATLAB Random Name Generator Code
Others have suggested using curly braces to extract the contents of a cell from the cell arrays firstNames and lastNames. Anothe...

1 year ago | 0

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Create and plot an oriented graph of a circuit from a netlist
Note that your list of sourceNodes and targetNodes only includes three unique entries: 0 (which I assume is ground), N001, and N...

1 year ago | 0

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Convert string of nested field names to variable without eval?
Use getfield. S.Data.Configuration.FieldofInterest = 42; fnlist = 'S.Data.Configuration.FieldofInterest'; Split the string re...

1 year ago | 1

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Answered
2024a seems to have a graphics bug
That suggests to me that you have defined or downloaded a function that shadows one of the built-in functions used inside hgrc.m...

1 year ago | 0

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Prevent error: "Unable to communicate with required MathWorks services (error 5001)"
What did Technical Support say when you contacted them as recommended in step 4 on the page to which you linked?

1 year ago | 0

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How can I implement this function in matlab?
To integrate a function numerically, see the integral function in MATLAB. To integrate a function symbolically, see the int fun...

1 year ago | 2

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Why isn't the numerical value assigned by matlab verified using == function.
This behavior is a consequence of floating point arithmetic. See this Answers post and the "Avoiding Common Problems with Floati...

1 year ago | 0

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Work Around for Convolution1DLayer
Are you certain that you're using release R2024a? It appears from the Release Notes that support for generating code from this l...

1 year ago | 0

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How to use FSOLVE with multiple variables?
That doesn't look like an error message that would come from MATLAB or Optimization Toolbox. In addition, your code is not synta...

1 year ago | 0

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Calling a function with no arguments
Outputs but no inputs To call a function with outputs but no inputs, you can omit the parentheses or just include the parenthes...

1 year ago | 2

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multiplying a function handle by a constant
You cannot directly multiply a function handle by a number. But you can multiple the value you receive by evaluating a function ...

1 year ago | 1

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Jacobian calculation of symbolic variables which are function of other variables.
I tried running your code but there are several variables that are not defined: rho, Kf, K, Km, mass, g, gam, J_yy. Specifying d...

1 year ago | 0

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Seasonal decomposition of a daily time series
Take a look at the trenddecomp function (introduced in release R2021b) and/or the Find and Remove Trends Live Editor Task (intro...

2 years ago | 0

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Unrecognized property Value for class Axes?
Why do you believe that hAxes.Parent.Children(2) is the handle to your slider? I would not assume that the handles of the childr...

2 years ago | 0

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wt is the Activation Key for activating MATLAB Simulink
If you're trying to use your company or educational institution's license, ask whoever maintains the organization's software lic...

2 years ago | 0

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Use of private method and properties from a MATLAB class to a MATLAB function
You can grant classes access to otherwise-private properties using the Access, GetAccess, and/or SetAccess property attributes a...

2 years ago | 0

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Managing custom classes, mat-files, and namespaces
For at least the first of those scenarios, class aliasing may be of use. That documentation page has a section "Renaming a Names...

2 years ago | 0

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VerifyEqual within a time interval
Yes, you can do this in the MATLAB unit testing framework. I assume the context is something along the lines of either A or E be...

2 years ago | 1

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Why does this technique not work?
Setup Let's generate a collection of possible rows. u = randi(10, 6, 3); Let's ensure that no row in u has the exact same val...

2 years ago | 1

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calling a c file to use ode45
You can pass a function handle to a MEX-file that you've created from a C or C++ file into ode45 as long as the signature of tha...

2 years ago | 0

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Compensate the vector with the last entry
If you were using release R2023b or later, you could use the paddata function with the Side name-value argument and either the F...

2 years ago | 0

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How can I open a PDF in a standalone application?
I would probably try calling the open function rather than using system. You might need to explicitly add the openpdf function ...

2 years ago | 1

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How to accelerate the speed of frequent interpolation？
How are you repeating your interpolation? Are you recreating the scatteredInterpolant object each time? If so, instead follow th...

2 years ago | 0

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Trying to update submodules of a project with a script.
Try wrapping the message in quotes in the command to be executed. commit_message = 'Moved submodule Standard to 2024R2'; Compa...

2 years ago | 0

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Referring to object names in App Designer as elements of an array
You can access properties of an object using a variable name using the syntax shown in the Reference Properties Using Variables ...

2 years ago | 1

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How to draw a square with specific plot points
Depending on what you want to do with those shapes, creating a polyshape array may be useful. x = [0 0 1 1]; y = [0 1 1 0]; ...

2 years ago | 1

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Code not displaying figure
The behavior you described is correct. While your script does define three functions, nowhere in the lines of code in the script...

2 years ago | 1

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Reading a text file using readtable, Matlab stubbornly refuses to accept dates in anything but US-format
The readtable function is very flexible, and that can sometimes make it a little more difficult to use than the lower-level file...

2 years ago | 0