Community Profile # Elysi Cochin

##### Last seen: 4 days ago
331 total contributions since 2012

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Question

find the next row of an element in a matrix
i have vector v v = [4,5;1,2;1,3;1,4;2,6;5,7;4,7;3,4;1,5;2,3;7,9;3,5;8,9;1,6;8 10;5,9;2,4;6,9;2,5;1,7;4,9;3,7;2,8;7,8;4,6;1,9;3...

6 days ago | 1 answer | 0

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Question

find different combinations of splitting a vector
having a vector V, how can i find the different ways to split this vector v into subvectors such that the sum of each subvector ...

8 days ago | 1 answer | 0

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How to display units with my answer?
fprintf('%g kg\n', y)

9 days ago | 0

| accepted

Question

Sort matrix to get the row and column position of sorted matrix
how should i sort the matrix M = [0,15,14,13,10,7,4,1,2; 0,0,9,6,4,12,1,3,1; 0,0,0,10,8,5,3,1,2; 0,0,0,0,17,2,11,1,4; 0,0,0...

10 days ago | 1 answer | 0

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Question

how to do the matrix computation
I have a cost matrix, c, with values as c =[0,12,11,7,10,10,9,8,6,12; 12,0,8,5,9,12,14,16,17,22; 11,8,0,9,15,17,8,18,...

10 days ago | 1 answer | 0

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Question

access the respective values of matrix using the cell array cell position value
i have a matrix as shown in figure, with positions marked I have a cell array with values { [ 1 4 ] ; [ 2 3] }; Now i want ...

14 days ago | 1 answer | 0

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Question

find values in vector present in cell array
i have a cell array cA and vector V with values cA = {[11,21,3;14,5,63], [11,22], [33;95;66;7]}; V = [14 22 33 66]; i wanted ...

14 days ago | 2 answers | 0

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Question

how to split a vector into small subvectors based on condition
how can i split a vector into smaller sub vectors, such that the sum of each vectors is less than N N = 60 V = [30 35 24 15 14...

16 days ago | 2 answers | 0

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Question

display contents of cell array and a vector together
i have a cell array cell_array = {'A' 'B' 'C'} and value = [ 10 20 30] how can i display the cell_array and value_vector toge...

16 days ago | 1 answer | 0

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Question

compute from a set of parameters
C = 60; % capacity of a truck demand = [30 35 24 15 14 48]; % goods to deliver m = 2; % no of avaible trucks i wanted to comp...

18 days ago | 1 answer | 0

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Question

comparing pixels in 3x3 block
Having a matrix as shown below i wanted to take 3x3 pixel and compare the 3 pixels (highlighted in yellow colour) with th...

3 months ago | 1 answer | 0

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Question

fill a boundary region with white colour
i have identified boundaries from a binary image using boundaries = bwboundaries(bw); The output of the above line of code is ...

4 months ago | 3 answers | 0

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Question

how to duplicate the values in one matrix create another matrix of specific dimension
i have a cell array of dimension 1x60, each matrix in cell array is of dimension 23x23 of double datatype i converted this cell...

4 months ago | 1 answer | 0

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Question

comparing 3x3 block with center pixel
i have a matrix as shown below i wanted to take 3x3 pixel and take 3 pixels at a time along with the center pixel, and comp...

4 months ago | 2 answers | 0

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Question

Find histogram bins at which cumulative histogram has 75% of maximum value
How to find histogram bins at which cumulative histogram has 75% of maximum value of an image.

4 months ago | 1 answer | 0

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Question

concatenate column values in a vector
i have a vector v1 = [ 1,0,1,0] (dim 1x4 double) i wanted to join the values in v1 to a new variable v2 =  (dim 1x1 do...

4 months ago | 3 answers | 0

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Question

give labels according to string
I have a cell array of strings with the following pattern String Label 'Abc\a1\L\XYZ1R08' 1 'Abc\a1\R\XYZ1R09' 1 ...

4 months ago | 1 answer | 0

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Question

Find geometric mean and arithmetic mean
how to find geometric mean and arithmetic mean of histogram of an image

5 months ago | 1 answer | 0

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Question

get all image files from nested folder
how to get all image files in such a directory ( folders inside folders )

11 months ago | 1 answer | 0

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Question

delete empty cells from cell array
how to delete the empty cells and get back 4x4 matrix i tried out = ca(~cellfun('isempty', ca)); but i'm getting output ...

11 months ago | 1 answer | 0

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Question

How to create a white rotated box inside a black box
How to create a white rotated box inside a black box as shown in image

11 months ago | 1 answer | 0

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Question

find a vector in a cell array
AP = {[1,2,14];[1,5,14]} P = {[1,5,14]}; i wanted to check if P is in AP i did as IsInAp = find(cellfun(@(x) ismember(path,x...

11 months ago | 1 answer | 0

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Question

select rows satisfying a particular condition
having a matrix of dim 5 x 10 if i give start_index = 1, and end_index = 3, i wanted to get rows starting with value of start...

11 months ago | 2 answers | 0

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Question

how to find all possible path between 2 nodes
knowing the connectivity between nodes, how can i find the possible path between 2 nodes?

11 months ago | 2 answers | 0

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Question

how to select neighbouring 5 pixels of an image
I wanted to take one pixel from an image say im(x,y) then take the neighbouring 5 pixels of position im(x,y) find the maximum ...

11 months ago | 1 answer | 0

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Question

size of video file and audio file
how to find size of video file and audio filesize of video file and audio file? i saw for audio file we can use siz = wavread...

11 months ago | 1 answer | 0

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Question

find the shortest path
i have 2 set of coordinates S1-S25 (set 1) and D1-D10 (set2) i have connection between coordinates my start points are from se...

12 months ago | 3 answers | 0

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Question

draw multiple lines based on coordinates
P1 P2 P2 P1,P3 P3 P2 i have 3 points P1, P2, P3 the connection between points is given above. How to draw lines based on th...

12 months ago | 1 answer | 0

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Question

create a cell array with incrementing values
how to create a cell with values like a1 a2 a3 a4 a5 ........ a25 i need to get the above values into a row cell array and col...

12 months ago | 1 answer | 0

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Question

concatenate values from matrix and cell array
i have a matrix and a cell array mtric = 1 2 3 4 5 6 7 8 9 cell_array = aa bb cc dd ee ff gg hh ii i wanted to combi...

12 months ago | 2 answers | 0