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Ben Drebing


MathWorks

32 total contributions since 2017

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Answered
[ERROR] FOUserAgent - Image not found. Encountered using publish r2018a
It looks like this error happens if there is a space in a folder name in the path to your current working folder. So, if you mov...

1 year ago | 2

Answered
listing masked point in an image after image segmentation
You can use some of the image processing functions like "bwconncomp" or "regionprops" to do this! Try out this code: im = i...

1 year ago | 0

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Is it possible to save .mlapp files that competible to a previous version of MATLAB?
Yup! Here are the steps: # Open the .mlapp in appdesigner in R2018a. # Go to the "Save" menu at the top of appdesigner. # S...

1 year ago | 0

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Volume visualization of 4 dimensional data
The first line of that code loads some example data from MATLAB. I think that this is probably overwriting any data that you pre...

1 year ago | 0

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remove point cloud tilt by plane fit
I think the fastest way to do this might be to use "pctransform" to rotate your pointcloud. Check out this example: <https://...

1 year ago | 0

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Error in initialization of MATLAB
It looks like there is a good chance this issue is related to: <https://www.mathworks.com/matlabcentral/answers/102489-why-do...

1 year ago | 0

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Modifying a memory-mapped data file
Unfortunately, this is a current limitation of MATLAB. But a quick way to get around this is to open and close it again after yo...

2 years ago | 0

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Mixed Integer Programming using lsqlin/quadprog
I don't think that either of those functions can be used with mixed integer. But there is an example online that shows how to br...

2 years ago | 1

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How to align gaussian fits at their maximum peaks?
I think you will want center your data first so that all their maxes line up before fitting curves. This way, the your curves wi...

2 years ago | 0

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Create a result summary???
When I make reports from my data, I usually make a Live Script and then do some analysis and displaying in that script. Then, un...

2 years ago | 0

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Answered
Not able to display variables in the command line window from an app created by App Designer
Unfortunately, this is a current limitation of MATLAB. But our development team is aware of this and looking into it!

2 years ago | 0

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Sharing toolbox and/or installation between platforms / operating systems
Unfortunately, MATLAB and its toolboxes are all platform specific. The core parts of each will only work with the OS that was us...

2 years ago | 0

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Hi all, i have fitted a Four Parameters Logistic Regression for my X and Y data. i want to find the local slope of each data point, i would appreciate if somebody can help me on this , the attached image shows the fit
Do you mean you want to calculate the slope at each point along the curve? If your curve is given by x and y, then you can get t...

2 years ago | 0

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Alignment of textarrow text with line
Are you looking for something that looks like this? obj.h_text = annotation('textarrow',[0.5 0.8],[0.5 0.8],'string',... ...

2 years ago | 0

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How to start with database
Check out the links on this page. They will walk you through the basics of working with databases. <https://www.mathworks.com/p...

2 years ago | 0

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Find the value of a and k that minimise RMSE
The function needs to be defined at the bottom of the file, if you would like to run your code in this way. Try: [k,a]=fmins...

2 years ago | 0

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Lack of fit with fitrlinear on multivariate data (version 2016a and later)
I would recommend using the Regression Learner app in MATLAB. I find that it really helps when you want to quickly try a bunch o...

2 years ago | 1

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Projection of an Image
I think that the orderings of your fixedpoints and movingpoints do not match up. Try topLeft = [360, 546]; topRight = [609...

2 years ago | 0

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I am trying to install my matlab package of R2017b but the process is not completed due to following error. The following error was detected while installing examples/matlab_featured_common: null
Sometimes this error can happen if you have antivirus software installed on your computer that is blocking the MATLAB installer ...

2 years ago | 0

Answered
Compiled application does not run because of startup plugin libmwlmgrimpl.dll
I have found, oddly enough, that this error can happen if you have out-of-date libraries, specifically ssleay32.dll and libeay32...

2 years ago | 0

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How to get the difference between two robust regressions (based on repeated measures) and statistically analyse it?
You could take the norm of difference of the two fits. This can give you a pretty good indicator of their similarity. The closer...

2 years ago | 1

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Several regression with loop and storing the output data
Try this code out: for i = 1:2604 % Get the ith column of DATI Y = DATI(:,i); % Get the 4i+1 th to ...

2 years ago | 0

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Visualising matlab results in PowerBI
As far as I know, you cannot access the values of variables in the MATLAB Workspace directly from PowerBI. I think that you will...

2 years ago | 0

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How to get induction machine parameters.
To confirm, is the error you are getting? Error using power_AsynchronousMachineParams_pr Function 'power_AsynchronousMac...

2 years ago | 0

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How can I extract text from image respecting the distance between words?
Try looking at this answer: <https://www.mathworks.com/matlabcentral/answers/260676-how-to-obtain-the-space-between-two-words...

2 years ago | 0

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Answered
Using Slice on a Cartesian Grid that was Generated in Cylindrical Coordinates
One thing to try would be to use your x,y,z, and v to interpolate new data that is a meshgrid. It might run a little slower than...

2 years ago | 0

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Answered
Adding an alpha channel to geoTIFF image
You're right that currently in MATLAB, there is no way to add an alpha channel to your geotiff. But here is a workaround! To...

2 years ago | 1

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Answered
Solving Changing Cross Sectional Area of Curved Cylinder
If you are making a function of angle, what point is that angle in relation to? Could you use your angle to rotate a plane about...

2 years ago | 0

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Modules in trial version not in home version
It really depends if those toolboxes are related to the projects you want to do. Each toolbox adds different functionalities to ...

2 years ago | 0

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Is it possible to use sound(y,Fs) with MATLAB on iPad?
Unfortunately, MATLAB mobile does not support audio. The reason for this is that the MATLAB Mobile application sends all com...

2 years ago | 1

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