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Extract and show non zero pixels of a 2D image in MATLAB
Hello, I have an image ima; of size 256x96; I use find( ) to find the nonzero pixels' linear indices indd=find(ima); [row c...

presque 5 ans il y a | 2 réponses | 0

2

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Question


Using Dijkstra algorithm.
I found this function function [dist,path] = CSDG_Dijkstra_SP(nodes,segments,start_id,finish_id,L,PlotFlags); whi...

presque 8 ans il y a | 1 réponse | 0

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How to get a Daubechies4 discrete wavelet transform MATRIX?
I need a matrix that when I multiply it with X, gives me the coefficients of X in wavelet domain. It means that this matrix cont...

presque 8 ans il y a | 1 réponse | 2

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How to multiplicate two block matrices with following conditions?
I found a file named block diagonal multiplication by David Holdaway in File Exchange. This function is Used for multiplyin...

environ 8 ans il y a | 0

Question


How to multiplicate two block matrices with following conditions?
I have a block diagonal matrix P with size 500*500 like this P=[A 0 0 0 A 0 0 0 A... ... ]; ea...

environ 8 ans il y a | 1 réponse | 0

1

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How to create a Markov chain sequence given the transition matrix and the states
There is 5 states as follows: QS=[2.0243 -0.6361 0.7770 1.0486 1.1569] % or QS={2.024 ,-0.6361...

environ 8 ans il y a | 1 réponse | 0

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Question


Forming a block diagonal matrix of one certain matrix?
I have a matrix A which is m*n. I want to create a block diagonal matrix of size 100*100 whose diagonal elements are the matrix ...

environ 8 ans il y a | 3 réponses | 1

3

réponses

Question


How to create a m*n matrix with 0,1 entries?
In this matrix All entries are zeros except for a single 1 in each row and at most a single 1 in each column?

environ 8 ans il y a | 2 réponses | 0

2

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Question


Find the euclidean distance between elements of two matrices, one element of first one from all elements of the second one.
I have {(x1,y1)|x1 belongs to X1 and y1 belongs to Y1} {(x2,y2)|x2 belongs to X2 and y2 belongs to Y2} and: X1=[6...

environ 8 ans il y a | 1 réponse | 0

1

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Question


I want to plot phantom image's sampling pattern given here.
this is the image: <</matlabcentral/answers/uploaded_files/69186/Untitled.png>> and this is the code: path(path, '....

environ 8 ans il y a | 1 réponse | 0

1

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How can I Position N nodes in WSNs which are distributed uniformly at random in a grid of a certain size?
How to label other nodes to be able to calculate the distance between them (d_ij) and compare each pair's distance with d_max?...

environ 8 ans il y a | 0

Réponse apportée
How can I Position N nodes in WSNs which are distributed uniformly at random in a grid of a certain size?
And I have one more question please, The distance between each two nodes should not be more than d_max, in order to have a conne...

environ 8 ans il y a | 0

Question


How can I Position N nodes in WSNs which are distributed uniformly at random in a grid of a certain size?
N=number of nodes, observation field of size=(100*sqrt(N)*100*sqrt(N)), divide the field into sqrt(N)*sqrt(N) grid of squa...

environ 8 ans il y a | 3 réponses | 0

3

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