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Jim Joy

MathWorks

Last seen: 6 jours il y a |  Actif depuis 2017

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I am a physicist by training, and have been using MATLAB since my undergraduate years. I am particularly interested in workflows that utilize MATLAB for data analysis and display, linear algebra, and symbolic mathematics.

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Defect detection with pattern variation in comparison to template
Hi Ahmed, I think that this issue lends itself well to pattern matching. You might have to develop several criteria to determ...

environ 7 ans il y a | 0

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Constant specification and normalization in PDEtool
Hi David, The PDE Modeler App only allows you to model problems with 2D Geometries. Even though the Laplacian has similar for...

environ 7 ans il y a | 1

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How can I split the editor window in Appdesigner?
Hi Devin, Unfortunately, this capability is currently not available in App Designer. One workaround that you may consider...

environ 7 ans il y a | 1

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How to extract data of lower surface only in a step profile?
Hi Swati, One way to do this is to get an estimate for the magnitude of the gradient at each point in your dataset, and then ...

environ 7 ans il y a | 0

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fimplicit function does not work
Hi Federico, The documentation for "fimplicit" mentions that the input anonymous function must take two matrix inputs, and re...

environ 7 ans il y a | 0

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How to arrange the shape# (Blob#) in proper order (ascending/descending)?
Hi Saqib, The labeled image that you have shown is consistent with the conventions that "bwlabel" uses to label the image. Th...

environ 7 ans il y a | 1

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How to use FFT for honeycomb lattice system
Hi Oladunjoye, Unfortunately, the built-in functions "fft" and "fft2" only operate over square (evenly sampled) lattices. How...

environ 7 ans il y a | 0

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How to obtain a no-loop iteration in MATLAB using anonymous functions?
It appears that the error here is related to how MATLAB is interpreting the multiplication and division used. Since your data is...

environ 7 ans il y a | 1

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fitting with a rectangular pulse function
I would recommend using an edge detection method other than least-squares fitting. Since your signal is a perfect step function,...

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how can i find the orientation of blobs in 3D?
Hi Simone, If you look closely at the "regionprops" documentation, it mentions that the 'orientation' property is calculated ...

environ 7 ans il y a | 1

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Total return data from Bloomberg
Hello Bryan, By looking through the Bloomberg API Documentation for this field, you can see that you need to specify 'CUST_TR...

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Distribution Fit with Hole in Histogram: Calculate mean and std
Hi Konstantin, One thing that you might try is replacing all of your data in the interval where the hole exists by nan before...

environ 7 ans il y a | 0