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# Tina Hsiao

Last seen: environ 2 mois il y a Actif depuis 2020

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Question

How to reorganization all image long z axis
Dear all, I have a question and would like to seek your help. There are beam signals. I took several 2D images (x,y) along the z...

5 mois il y a | 1 réponse | 0

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Question

Plot 3D figure
Hello, I would like to plot this fugure (ro, Z, I), my code as below, could you please give me a help? Thanks a lot. clear a...

environ un an il y a | 1 réponse | 0

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Question

How to fix the hyperlink problem in Matlab 2017a version
Hello, I would like to resize the image. I used " export_fig " to do it and it works in Matlab 2020a. But the same code I used i...

environ un an il y a | 1 réponse | 0

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Question

How to plot NaN value
Hello, I have a matrix as below, and I would like to plot it to grey level. When the value in the matrix shows "NaN", I would li...

environ un an il y a | 1 réponse | 0

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Question

How to get wrapped phase data from unwrapped phase data
Hello, I have a unwrapped phase data (like figure c)), and would like to converter to wapped phase -pi to pi (figure d)). The un...

plus d'un an il y a | 1 réponse | 0

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Question

How to integral function and plot it
Hi, Could you help me how to integral function "fun" and get the q, then plot dL vs q. The code as below. Thanks a lot. clear...

plus d'un an il y a | 1 réponse | 0

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Question

How to calculate RMS of ring and center of dark area
Hello, I would like to seek your help. I have an ellipse beam shape. How can I calculate the RMS of ring shape and RMS of center...

plus d'un an il y a | 1 réponse | 0

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Question

How to create continuous points and plot in quiver
Hello, I would like to seek your help. I had created discrete points and plot vector field by using the quiver function. Now, I ...

plus d'un an il y a | 1 réponse | 0

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Question

How to find and store each spot center position in the loop.
Hello, I would like to seek your help. I have several image signal, and would like to find and stored each spot center position ...

plus d'un an il y a | 1 réponse | 0

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Question

How to find the center position under the saturation spot signal
Hello, I would like to seek your help. I have an image below. How can I find the spot position centre (X,Y) under the saturation...

plus d'un an il y a | 1 réponse | 0

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Question

How to save image pixel size larger than large than 343x343
Hello, I would like to seek help from you. The image pixel size is already could save pixel by pixel, but when setting save pixe...

plus d'un an il y a | 1 réponse | 0

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Question

How to save image as pixel by pixel size and without white background
Hello, I would like to seek help for the image save as bmp.file with pixel by pixel size and without white background. clea...

plus d'un an il y a | 1 réponse | 0

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Question

Re-range gray color level from 0-192 in contourf plot
Hello, seek help for re-range gray color level from 0-192 in contourf. I would like to get the color bar shows 0-192. The code a...

plus d'un an il y a | 1 réponse | 0

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Question

How to create and save the contourf image to pixel by pixel and the grey-level from 0-192
Hello, I am a beginner at Matlab. I would like to create contourf plot. The plot size is pixel by pixel, and the grey level from...

plus d'un an il y a | 1 réponse | 0

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Question

How to plot the vector relative black point to red point
Hello, I am a Matlab user beginner. I would like to seek your help about how to get the vector relative black point and red poin...

presque 2 ans il y a | 1 réponse | 0

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