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# Turbulence Analysis

Last seen: 4 days ago Active since 2020

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Question

Standard deviation of 2D array
Hi, I am trying to calculate the standard deviation of 2D array 'v' of dimesnion 89 x 97. I have tried as follows ,but it ret...

3 months ago | 1 answer | 0

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Issue with Quiver plot
Thanks, with set(gca, 'XDir','reverse') I got the desired results. But on the x axis I always need to display negative values on...

3 months ago | 0

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Issue with Quiver plot
Hi, I am creating the vector plot with Quiver () command. I would like to perform left to right flip. I have tried with Fliplr ...

3 months ago | 2 answers | 0

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How to adjust figure size ??
Hi, I have shown a image in the attachment. Here, actually I manualy draged in the figure window to get the smaller image size....

4 months ago | 0 answers | 0

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Question

creating line plot with different marker color and legends
Hi, I have data stored in two arrays as follows. A = [10.15 , 10.92, 11.81,12.83] B = [3.92, 9.18, 14.87, 18.14]. I am cre...

4 months ago | 1 answer | 0

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cration of contents inside the cell array of uniform size
Hi, In my loop operation I am generating 1 X 72 cell. At every iteration the values will be stored in the consequetive columns ...

4 months ago | 2 answers | 0

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contour plot in matlab
I have Matrix B of size 8 x 72. this belongs to the data collected at difefrent axial heights (y) and radial(x) positions. For...

6 months ago | 2 answers | 0

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Convert values in the cell to array using cell2mat
I have 72 x 1 cell named let's say output1, each cell got 8 x 1 entries. Now, I intend to store each 8 x 1 entries into the sepe...

6 months ago | 2 answers | 0

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Assign values in the cell
Hi, I have the 72 x 1 cell named output 1 (attached here). As shown in the attachment, some cells got empty matrix, I intend ...

6 months ago | 1 answer | 0

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Read set of .dat files in for loop
I tried as follows, It's working perfectly.. P = 'Y:\processed'; F = fullfile(P,'a060_b*_C_mu.dat'); S = dir(F); for k = 1:...

6 months ago | 0

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Read set of .dat files in for loop
Hi, I have set of .dat files as follows a060_b000_C_mu.dat a060_b003_C_mu.dat a060_b006_C_mu.dat a060_b009_C_mu.dat . . ...

6 months ago | 2 answers | 0

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Issue in plotting binary image boundaries with real axis values
Hi, I have extracted the image boundaries from binary image and mm). I am able to diplay the binary image with real axis values...

7 months ago | 2 answers | 0

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how to get x and y components of normal vector of curve like this??
I am trying to get the x and y components of the normal vector in the curve similar to the one attached here, any idea how to im...

7 months ago | 0 answers | 0

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Question

Curvature estimation in contour extracted from gray image
Hi, I have the edges/contours extacted from the gray image, now I intend to estimate the curvature. For e.g., I have attached...

7 months ago | 1 answer | 0

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Question

Find curvature of the image boundary
I intend to find the curvature of the boundaries (obtained from edge dtection) of the image as shown here.. Could somebody hel...

8 months ago | 1 answer | 0

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non uniformity correction in images
Hi, I have set of images in which non uniformity in the intensity needs to be corrected. Here the object is illuminated by the...

8 months ago | 1 answer | 0

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How to find the /check whether the image is symmetry or not ??
Hi, I looking into a way to check the whether the given image is symmetry or not ?? For e,g, attached figure. Note - All of my...

8 months ago | 1 answer | 0

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Question

Matlab crashes/closes unexpectedly while saving the matrix
Hi, I am running my codes in the Matlab that installed in the server. My code deals with processing 5000 files in a for loop, ...

8 months ago | 1 answer | 0

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contour extraction from the image
Actually, the idea is to retain the values pertain to outer boundary for each image, the preallocation erases the previous the i...

8 months ago | 0

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contour extraction from the image
Hi, I have the image from which I need to extrat the outer contour. My image is saved in the matrix name h..(also .mat file is ...

8 months ago | 2 answers | 0

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Edge/Boundary extraction from the image
I am trying to extrcat the outer boundary of the image attached here. Could someone help me with how to do this is in matlab. ...

8 months ago | 1 answer | 0

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intensity correction in images
Many thanks.. I have tried, but didn't get the desired results.. I have attached the corrected image, which I have got I have ...

8 months ago | 0

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intensity correction in images
Hi, I intend to correct the intensity in the images which arises due to the non uniformity in the illumination source. As ill...

8 months ago | 2 answers | 0

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Question

create circular mask and assign zero outside the mask in an image
Hi, I have the series of images (e.g. input image.jpg), in which I have to create the circular mask (mask.jpg) and make all the...

8 months ago | 1 answer | 0

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Stack multiple 2D images to single image
Hi, I have multiple 2D images as attached here (e.g. S0001.bmp; S00002.bmp; S00003.bmp). I intend to stack these images at diff...

8 months ago | 0 answers | 0

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stack multiple 2D images
Hi, I have 2D images pertaining to different Z positions (lets say 10 mm, 20 mm, 30 mm etc), Now I would like to stack images ...

8 months ago | 2 answers | 0

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stack plot in matlab
Hi, I intend to creat stack plots. For instance, I have x, y plot corresponds to different Z positions, how to reprsent all in ...

8 months ago | 0 answers | 0

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insert text in for loop operation
Jan, Thanks for your answer. Actually, I am saving images in .bmp format as shown below.. Essentially for each iteration it ...

8 months ago | 0

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Question

insert text in for loop operation
I intend to insert text to each image saved during for loop operation. I have for loop runs from i = 1:1:200 ; lets say for ...

9 months ago | 2 answers | 0