Answered
What is the difference between int8(0x98), uint8(0x98), typecast(uint8(0x98), 'int8')
If you use the following syntax, you create a uint8 value and then cast that value to int8. Since the uint8 value is larger than...

3 years ago | 2

Answered
double conditional in one line
At the beginnnig looks like weird >> x=0.23: 0<x<1 This does not ask the question "Is x between 0 and 1 exclusive?" It is inst...

3 years ago | 1

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Answered
"y-direction of the coordinate system should be reverted"
Images and "regular" plots have different conventions for whether the Y axis should be increasing or decreasing as you move towa...

3 years ago | 0

Answered
Couldn't find helperVisualizeScene() function
Open the example in MATLAB using the command that gets copied to the clipboard when you press the "Copy Command" button. MATLAB ...

3 years ago | 1

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Answered
comparison between a string/or cell and categorical data
MATLAB is correct. Sis(1).Trading = 'As Is' Trading(1) = categorical({'As is'}) Sis(1).Trading==Trading(1) If you used a cap...

3 years ago | 1

Answered
Error using image Color data must be an m-by-n-by-3 or m-by-n matrix. Error in imagesc (line 52) hh = image(varargin{:}, 'CDataMapping', 'scaled');
As the error message says, the image data you pass into imagesc must be a matrix (if it's an indexed image or a grayscale intens...

3 years ago | 0

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Answered
How to create a "scatter" matrix without using a for loop?
row = [1,2,3]; col = [2,4,4]; val = [123,321,456]; M = accumarray([row.', col.'], val.', [4 4])

3 years ago | 0

Answered
Code protection in deployed standalone application
See this documentation page for more information about the deployable archive and the Wikipedia page for more information about ...

3 years ago | 0

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Answered
receiving different training results while running the same code
Are random numbers involved in the process of creating or training your RL model? [My guess is most likely yes.] One way to chec...

3 years ago | 1

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Answered
Accelerate a loop involving the built-in integral command
Assuming that params doesn't change, consider using the memoize function to create an object you can use in your integrand funct...

3 years ago | 0

Answered
PSO does not satisfy the nonlcon inequality constraint and gives solutions less than LB
Have you considered using the particleswarm function in Global Optimization Toolbox, either as your main solver or to help you d...

3 years ago | 0

Answered
Can't use pca() function - Error using statset No default options available for the function 'pca'.
Let's make sure you're using the pca and statset functions included with Statistics and Machine Learning Toolbox rather than oth...

3 years ago | 0

Answered
Plotting different sized vectors
If you have an idea in your mind of roughly what you want the plot to look like, open the Plots tab of the Toolstrip and click t...

3 years ago | 0

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How to convert time in microseconds (queryperformancecounter(qpc)),import from an excel file, to time (hh:mm:ss)?
You can convert a number of microseconds into a duration or (if you know the epoch time) into a date and time value. M = 168892...

3 years ago | 0

Answered
Looping scatteredInterpolant across each frame in 3D matrix
Using the variable names given on the scatteredInterpolant documentation page, do you mean that your xgrid variable is the x inp...

3 years ago | 1

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Answered
How to run .m file through terminal on linux ?
Try starting MATLAB with the -batch option.

3 years ago | 0

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examples in the vision toolbox fail to load .mat files
The pointCloud function is part of Computer Vision Toolbox and was introduced in release R2015a. Do you have this toolbox instal...

3 years ago | 0

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Creating a polar histogram with x values (bins) that will appear on the graph even though no values fall into those bins?
Do you need the histogram to be on a polar axes? If so use the polarhistogram function. x = deg2rad(randi([0 270], 1, 1e6)); p...

3 years ago | 0

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Answered
Some Robot models are missing from the Robotics System Toolbox.
According to the Release Notes the puma560 robot model was introduced in release R2023a. You're using release R2022b, the releas...

3 years ago | 1

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Retime for custom timestep (6 hour)
You're using this syntax from the retime documentation page: "TT2 = retime(TT1,'regular',method,'TimeStep',dt) calculates regul...

3 years ago | 0

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DE (f) has wrong solution
Your code calls ode45 with an output argument but then doesn't use that output argument later in the code. In addition you're ca...

3 years ago | 0

Answered
Process .dat file, plot, scale, and put back into similar format
You may want to interactively experiment with the various options for importing your data in the Import Tool. You can specify th...

3 years ago | 0

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Creating a Dynamic Variable for Table Names
Can you dynamically create variables with numbered names like A1, A2, A3, etc.? Yes. Should you do this? The general consensus ...

3 years ago | 0

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How to request the development of a new support package?
If you're requesting support for a new type of hardware, see this page. If you're requesting a different type of support packag...

3 years ago | 0

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Answered
code fft for matlab function block
Are you sure you intended to take the fft of the input argument S? From the error message that input is a scalar (or a length th...

3 years ago | 0

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How to label nodes in a plot?
This matrix looks similar to the one from one of your previous questions. If that's the case, and you plotted the graph object, ...

3 years ago | 0

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Answered
Does the current Symbolic Math Toolbox still use the MuPAD as its underlying implementation?
What was removed was the MuPAD Notebook interface, not the symbolic computation engine. Is there a specific reason you are inte...

3 years ago | 0

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Answered
Execution of script image as a function is not supported
You've likely created your own image.m file that's taking precedence over the image function included in MATLAB. To check this r...

3 years ago | 0

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Answered
using matchpairs when objects have different capacities
You could duplicate rows or columns in the matrix you pass to matchpairs to reflect that "multiple copies" of the object to be m...

3 years ago | 0

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Answered
what does this error mean?"Array formation and parentheses-style indexing with objects of class 'matlab.io.datastore.ImageDatastore' is not allowed"
A datastore array must be a scalar (a 1-by-1 array.) You can't make an array of them, so where you attempt to index into it MATL...

3 years ago | 0