Answered
Finding strings with common character
Read the data into MATLAB, split it into separate words if necessary, then use startsWith to determine which words start with yo...

2 years ago | 1

Answered
Add variable names to figure legends
So do you have variables named beats_Local_var1_W1, beats_Local_var1_W2, beats_Local_var1_W3, etc.? If so can you dynamically c...

2 years ago | 0

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can we apply ode45 on .mat file
Okay, so based on the keywords in the comment a quick Google search found this page. So is this your x matrix or your matrix, u...

2 years ago | 0

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Answered
Generating Phase Portrait of ODE system
I would specify an OutputFcn in your call to the ODE solver, as described on this documentation page for the odeset function. Th...

2 years ago | 0

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When calling a class (say, to convert types), are we calling a function?
For example, what is the behind-the-scenes difference between calling sin as a function, and calling logical as a function? N...

2 years ago | 3

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Answered
The function is debugging too long...
if(xold-(xold-1)<=tolx), break, end%&(abs(y)<=toly Assuming that xold is "nice" (no infinities, not large enough for xold-1 to ...

2 years ago | 1

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Point array to generate meshgrid
I don't believe pcolor allows you to create elements with more or fewer than 4 sides. What I think you want to do is either crea...

2 years ago | 0

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How to perform elementwise multiplication between two matrices with different size or summation between two matrices with the same size
Let's look at the sizes of the arrays in question. f = 1:10; x = -22:1:22; y = -22:1:22; [u,v] = meshgrid(x,y); whos f x y ...

2 years ago | 1

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Answered
why can't I reproduce my random numbers
I suspect you think these two lines of code do something different than what they actually do. therng1 = rng(1); therng2 =...

2 years ago | 2

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Answered
Upgraded Matlab from 2022b to 2023b and I've noticed a floating point error
As others have said it's impossible to give a firm answer with the limited amount of information you provided. Some possibilitie...

2 years ago | 1

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Is there anyway to increase the calculation speed of this sqrt integral2 without loosing accuracy?
Let's look at what the surface you're trying to integrate looks like. g = @(xx,yy)sqrt((xx.*1.103872343207215e+1-yy.*3.60554487...

2 years ago | 1

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Answered
Why does argmin index of NaN array have a value of 1 and not NaN?
If the second output from min in the case where the input is all NaN values were NaN, every single call to min that wanted to us...

2 years ago | 0

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How Can I Calculate Displacement Of An Object (it can be a point on object) Out Of A Video Record
So you want to track an object through the video? I believe several of the examples found by this search may be relevant, partic...

2 years ago | 0

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what does A/b mean when solving matrix Ax=b
The \ operator (mldivide function) solves for x in A*x = b. The / operator (mrdivide function) solves for x in x*A = b.

2 years ago | 1

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How to find leaves in minimal spanning tree
It has been a while since this question was asked, and this answer wouldn't have worked at the time it was first asked, but you ...

2 years ago | 0

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Access property of class object found by "whos"
So when you use an instance of this class, you want that instance to check if it was last updated too long ago? Why not just sto...

2 years ago | 0

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Unit/integration tests that involve closing/re-opening handles to objects
What you're describing sounds like you could easily fall into Interacting Tests, a category of Erratic Tests. If you had some w...

2 years ago | 1

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Loading variables to a specifc workspace
How can i use the load command to load variables to a specific workspace In general, you cannot do exactly what you asked. Ther...

2 years ago | 0

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Clustering Calibration Data for Calculations in a Matrix
I'd just use the groupsummary function.

2 years ago | 0

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Draw the surface of a two variables function
Let's look at the values your function takes on at the corners and the center of the region you're plotting. format longg Z = ...

2 years ago | 0

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Automatically adjust bin width
Rather than trying to implement the binning operation yourself, I recommend you call the histcounts function in a looping constr...

2 years ago | 1

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How easy is it to give a Matlab toolbox as a Christmas present?
I'm not certain if gift vouchers are available. I recommend you contact the Sales department directly using this link to ask thi...

2 years ago | 0

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how can i get matlab code for this paper
If you have a specific question about where you're having difficulty implementing the code for this paper, show us the code you'...

2 years ago | 0

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How do I index a variable based on the outcome of a logical expression (e.g if x +y = 2 then variable 2 is indexed)
Here's an example with one die. You can imagine how much more code than this you'd have to use if you wanted to count the freque...

2 years ago | 0

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Why is the preprocessor check #if ( UCHAR_MAX != (0xFFU) ) || ( SCHAR_MAX != (0x7F) ) being generated in private.h?
From the Wikipedia page for C data types: "The minimum size for char is 8 bits, the minimum size for short and int is 16 bits, ...

2 years ago | 0

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Error using linprog (line 369)
Please send your code and data to Technical Support directly using this link so the development staff can determine the cause of...

2 years ago | 0

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Incorrect number or types of inputs or outputs for custom function.
Rather than making a 0-by-0 intL array and then immediately expanding it to be (potentially much) larger, why not start off assi...

2 years ago | 0

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Path(pathdef) Error
Does your Run_Script script file define a variable named path on line 1, right before it tries to call the path function on line...

2 years ago | 1

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How to Add Title to Legend ?
You're using a release of MATLAB that's more than ten years old. MATLAB has changed quite a bit during that decade, including a ...

2 years ago | 0

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Function works fine in MATLAB, however, when I get to MATLAB coder, it fails with error does not terminate due to an infinite loop
Rather than checking if s is a char vector or has positive length, if you want to stop when the file has been read in I'd use fe...

2 years ago | 0

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