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Ashbub


Active since 2017

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EigenVectors and EigenValues from Regionprops3
Hi I am using regionprops3 to get eigenvectors and eigenvalues. Looks like the eigenvalues are sorted always. Am I right? Th...

meer dan 6 jaar ago | 1 answer | 1

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answer

Question


The error "Matrix dimensions must agree"
Hi all I am getting this error "Matrix dimensions must agree. Error in TwoDTensorRev4 (line 106) TbinAreaSum=...

meer dan 6 jaar ago | 1 answer | 0

1

answer

Question


Wrong distribution of vectors using discretize
HI I am using Discretize function to distribute vectors with their mirrors in 24 bins of each 15 degree. But the distributio...

meer dan 6 jaar ago | 0 answers | 0

0

answers

Question


surface plot for multiple vector points
Hi from the following code, I am getting the 3D scatter plot for multiple vector points(attached are the same plot from differen...

bijna 7 jaar ago | 1 answer | 0

1

answer

Question


What is difference between "orientation" of Regionprops and "principal component coefficients" of PCA
Hi I am stuck in my work because of few confusions. 1. Is the difference of "principal component coefficients" of PCA and...

bijna 7 jaar ago | 1 answer | 0

1

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Question


using elements of table as variable
Hi I've a table A which contains numerous sets of data. Each set there are three components x,y and z. I need to plot scatter3 u...

bijna 7 jaar ago | 1 answer | 0

1

answer

Question


regionprops3 for 3D image converted to global axis
Hi Happy New Year. Due to an issue with my computer I cannot enter my image files at the moment. I just want to know, if I re...

bijna 7 jaar ago | 1 answer | 0

1

answer

Answered
Reading 3D Xray CT image in Matlab and performing PCA
Let me clarify my problem. From xray CT, I have exported image of for example few 3D irregular shape particles as matfile (3...

bijna 7 jaar ago | 0

Question


3d polar plot of vectors in cartesian coordinates
Hi, I have numerous 3D vectors (x, y and z coordinate for each) in excel file as columns. I want to draw a 3dpolarplot like pola...

bijna 7 jaar ago | 1 answer | 0

1

answer

Question


Reading 3D Xray CT image in Matlab and performing PCA
Hi, I have a Xray CT volume of few irregular shape. I want to read the file in Matlab and want to plot principal axis of each ob...

bijna 7 jaar ago | 2 answers | 0

2

answers

Question


Viewing and working on 3D image
I have this 3D image from X ray CT. I need to view the file matlab. Please suggest what to do to extract the array from the stru...

meer dan 7 jaar ago | 1 answer | 0

1

answer

Question


how to view image from MAT file
Hi, I am new in Matlab. I have saved a 3D CT image data in MAT format and loaded it on Matlab. It shows [1x61x54 uint16] and 'st...

bijna 8 jaar ago | 1 answer | 0

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answer