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How can I perform matrix operations on certain rows?
What do you mean by 'certain'? Is there any condition that determines the selection of years. Then, you could use a logical arra...
plus de 8 ans il y a | 0
I have video with 10 frames. I want the video depth. In other words stack 10 frames and get the thickness of the stack as a whole. Can anybody help me?
I'm not sure what you mean by depth/thickness but if you stack N frames of size (HxWxC) into a video (4d array of size HxWxCxN),...
plus de 8 ans il y a | 0
Question
detect checkerboard pattern (non-solid dark colour)
I am trying to detect the checkerboard points in the image below. If that's not possible, I would like to split the image into 6...
plus de 8 ans il y a | 2 réponses | 0
2
réponsesQuestion
How to read in a csv file with uneven columns?
My csv file has two different types of rows: Sep 30, 2016 15:45:09.486686950 BST 00:00:00:aa:00:df ARP 44 S...
environ 9 ans il y a | 1 réponse | 0
1
réponsehow to fit gaussian model and plot it
You can do the following: 1) Estimate the mean and standard deviation using _normfit_ 2) Calculate the probability estimat...
plus de 10 ans il y a | 2
| A accepté
How to find standard deviation of a RGB image?
std2 calculates the standard deviation of an RGB image. Look up <http://uk.mathworks.com/help/images/image-mean-standard-devi...
plus de 10 ans il y a | 0
Question
how to override a diary command if another diary already exists?
I usually create a log file at the start of each session by adding it to startup.m. Now, I'm trying to run a piece of code that...
plus de 11 ans il y a | 1 réponse | 0
1
réponsesort vector elements under given restrictions
You can create a logical array (same length as v) with 1's for the positions you want (say, 3 and 5) and 0's for the rest and us...
plus de 11 ans il y a | 0
| A accepté
Question
matlab hangs when help window is opened
I have MATLAB R2014a 64-bit mac. Whenever I try to open the help window (either by clicking on Help in any of the toolbars or by...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
multidimensional array to column vector with different dimensional order?
Say I have two arrays: if true % code count = 1; for m = 1:3 for n = 1:3 for k = 1:3 A(count) = count; count = c...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
how do I draw the cluster boundaries in a scatter plot?
<</matlabcentral/answers/uploaded_files/9042/example.jpg>> I have a scatter plot of three clusters. How can I represent them ...
plus de 11 ans il y a | 2 réponses | 1
2
réponsesQuestion
8 neighbours of a pixel after converting to 1D array
Hi Is there a simple way to access the 8 neighbours of a pixel x(i,j) given by x(i-1,j-1), x(i-1,j), x(i-1,j+1), x(i,j-1), .....
plus de 12 ans il y a | 3 réponses | 2
