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Equality operator error with exact same value
This is not a bug. See the section "Avoiding Common Problems with Floating-Point Arithmetic" on this documentation page.

4 years ago | 0

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Answered
Minimize a function under several constraints
Any values that satisfy your first two constraints are a solution to the problem since your objective function is constant. Subs...

4 years ago | 0

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How to create a function that checks if a word is a palindrome?
A recursive approach, like you've tried to implement, can work but one important aspect of recursion is the base case. This is t...

4 years ago | 0

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Transformation of attached C++ code to MATLAB code.
Are you required to convert this code or would being able to call it from within MATLAB be sufficient for your needs? If the lat...

4 years ago | 0

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If I have a matrix, how can I find the minimum5 values in it?
Use the mink function.

4 years ago | 0

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NEWPR and NEWFF .
They are extremely old functions in Deep Learning Toolbox (when they were marked as obsolete in release R2010b, the toolbox was ...

4 years ago | 0

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Randomness is lost in parfor loop on GPU?
What I'm doing is to copy this code and change the value of the seed. For example, the "my_code_seed1.m" uses "seed = 1", and "m...

4 years ago | 0

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CVE-2022-23307 vulnerability
Please contact Technical Support with this question to receive an official answer.

4 years ago | 0

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Making a moving average filter without looking in to the future. So forecasting the data, how do you do it?
Use the movmean function with the M = movmean(A, [kb kf]) syntax given on its documentation page. Choose kf = 0 to include 0 ele...

4 years ago | 0

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Highlighting of function call in editor
See the first item in the table in the Editor/Debugger Display Preferences section on this documentation page.

4 years ago | 0

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Nonscalar arrays of function handles are not allowed; use cell arrays instead.
You need to evaluate the function handles in your fsolve call. Alternately you could skip converting the symbolic expressions in...

4 years ago | 0

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Answered
How to find the source code of the guide examples？
If you have Stateflow installed on your machine or if you have a license to access Stateflow in Simulink Online, open the exampl...

4 years ago | 0

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Evaluate the surface area of the solid of revolution generated by revolving the graph of (𝑥) around the 𝑥-axis between −2𝜋 and 2𝜋.
Neither diff nor * are defined for function handles. try diff(@sin) catch ME fprintf("The error was: %s\n", ME.messa...

4 years ago | 0

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Unrecognized function (iforest) even though the toolbox is installed
According to its documentation page the iforest function was "Introduced in R2021b". If you're using an older release of Statist...

4 years ago | 1

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Answered
Toolboxes installed and licensed, but not in use
I'm not entirely certain what your concern is. Are you wondering why license inuse doesn't list all of the products that appear ...

4 years ago | 0

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Answered
How do I convert a vector into an Nx1 cell array of varying-length vectors?
Use mat2cell (with a transpose call if you need an N-by-1 instead of a 1-by-N.) V = [1 2 3 4 5 6 7 8 9 10] R = mat2cell(V, 1, ...

4 years ago | 0

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Get old Find & Replace window back?
Open the Preferences using the button in the Environment section on the Home tab of the Toolstrip. Under MATLAB, expand the Key...

4 years ago | 1

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Answered
How would I prevent access to classes that shouldn't be publicly available in my toolkit?
The way I'd probably do this is to make the class constructor for the "private" classes have Access='protected' (so only accessi...

4 years ago | 0

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Creating few columns of the Vandermonde matrix without using vander
You could do this pretty easily if you know the powers to which you want to raise the data used to create the Vandermonde matrix...

4 years ago | 0

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Histogram plot by equal time intervals
Rather than specifying the number of bins you could specify the bin edges explicitly. minutesPerDay = minutes(days(1)); T = da...

4 years ago | 0

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Add NaN values in a timetable based on missing datetimes
Here's some sample data. MeasurementTime = datetime({'2015-12-18 08:03:05'; ... '2015-12-18 10:03:...

4 years ago | 0

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Answered
Too many inputs to CFIT/SUBSREF.error when using a for loop
As long as there is a variable named fit it takes precedence over the function named fit, preventing you from calling the functi...

4 years ago | 0

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Access variables in parallel computing
The functionality in MATLAB to perform background processing may be of use to you.

4 years ago | 0

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Changing the variable used in a loop
Can you iterate over numbered variables like tube_L1, tube_L2, tube_L3, etc? Yes. Should you do this? The general consensus is ...

4 years ago | 0

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divide text into smaller blocks text by . or enter
S = "Today is a good day. Mom cooks breakfast for us." + newline + ... "But I find out only my sister is served." T = split(S,...

4 years ago | 0

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Answered
How can i write infinite symble in matlab using keyboard shortcut
It depends. What's the context in which you want to use this symbol? If you want to use it as the name of a variable in your co...

4 years ago | 0

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randsample not working in matlab 2022a release , is there any alternative?
The randsample function is part of Statistics and Machine Learning Toolbox. Check the output of the ver function to determine if...

4 years ago | 1

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Answered
How to extract an element from a ''vector'' of function handle
If you've already created your f function you could do this using one helper function. I vectorized your f function. f = @(x1,x...

4 years ago | 0

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Answered
Append apostrophe as a text in a function for a searching tool
Instead of calling mat2str repeatedly I'd use the + operator for string arrays to build up the filename. x = 1; y = 2; z = 3;...

4 years ago | 0

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Anonymous function arguments and parameters extrction
As written, as long as you know how long either one of the inputs was, yes. P = @(x, y) [x, y]; x1 = 1:5; y1 = 6:10; z = P(x...

4 years ago | 0