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KSSV


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7,415 2011 이후 총 참여 횟수

https://sites.google.com/site/kolukulasivasrinivas/
Professional Interests: Mathematical Computing

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how to specify the particular column numbers of a matrix in for loop
for i = 1:1801 for j = 70:75

약 1시간 전 | 0

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How do I call to function from other function?
You need to save both the function files in the same folder and yes call the other function in the required function. It is very...

약 17시간 전 | 1

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How to set different marker for some different values?
fmt = {'*','o','^','.','+','x','s','p','h'}; % different markers x = 1:9 ; y = rand(size(x)) ; figure hold on for i = 1:...

약 17시간 전 | 0

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Sum the values of one column based on another column in Table
Let T be your table. R = T.Range ; val = 862.33 ; count = nnz(abs(R-val)<=10^-5)

약 21시간 전 | 0

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Recover matrix Z from XZX', Z es symmetric and n-by-n, while X is k-by-n where n>>k
Does this match your criteria? k = 8 ; n = 5 ; % create dummy data X = rand(n,k) ; Z = rand(n) ; Z = Z+Z' ; % make ...

1일 전 | 0

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How to find the power of a matrix?
A=A/10^5 ; A = A.^2 ;

2일 전 | 0

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How to find convolution of three functions.
Read about conv2. s1 = conv2(conv2(f1,f2),f3) s2 = conv2(conv2(f2,f3),f1) s3 = conv2(conv2(f1,f3),f2) All the abve three a...

2일 전 | 0

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Error using sym/subsindex
Initialize the cell first. Q =cell(length(a),length(ttt)) ; % initialize USe this in the loop. Q{i,j} = %% your formul...

3일 전 | 0

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How to cut area or some part of image ?
How about using this? https://www.mathworks.com/help/images/ref/imfreehand.html

3일 전 | 0

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How to avoid patch color being included in legend ?
clc; clear all; close all; x = linspace(-10,10,200); y = sin(4*x); y1 = sin(x); figure; hold on patch([2 5 5 2], [[1 1]...

3일 전 | 1

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Change resolution of .xyz file in matlab
You need to interpolate your data. Read about interp2. Also if you have Z data, you can use imresize. Read about this as well....

3일 전 | 0

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Create stl. file with [F,V,N] data
USe this: https://www.mathworks.com/help/matlab/ref/stlwrite.html#d120e1182467

3일 전 | 0

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Index exceeds the number of arrays
Try to clear the variables, before using your code. There is no error in your code. It should work. clc; clear all; A = 4; W...

3일 전 | 0

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Adding Number using for loop
Let A be your n*2 array. t = A(:,1) ; s = A(:,2) ; [C,ia,ib] = unique(t) ; N = length(C) ; iwant = zeros(N,1) ; for ...

4일 전 | 0

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peak Value of a spike in graph at a particular time
You reshape your array and use min and max. Read about reshape, min, max.

4일 전 | 0

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dynamic allocation of arrays
You can initiate it to a cell. resultPolygon = cell(720,1); for i = 1:720 newShaper = homogeneousTransformMatrix(phi(i))...

4일 전 | 0

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How can I save multiple matrix and index them?
txtFiles = dir("*.txt") ; N = length(txtFiles) ; themax = zeros(N,1) ; % loop for each file for i = 1:N data = import...

4일 전 | 0

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Crop out a section of the image in imshow, how?
Read about imcrop. Let I be your image. rect = [234 355 (1678-234) (764-355)] iwant = imcrop(I,rect) imshow(iwant)

4일 전 | 0

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답변 있음
Plot multiples time series
Let A be your 365*40 data. Multiple options. plot(A) The above options plots 40 curves in one graph. It will be confusing. ...

4일 전 | 0

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Removing Missing Data from Corresponding Matrix
POCtotal(index,:)=[];

5일 전 | 0

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Draw the trail of a moving marker on an animated 2D plot
A = rand(1800,1); B = rand(1800,1); % I'm just using dummy values here but my actual program has similar outputs (1800 x 1 dou...

5일 전 | 1

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답변 있음
Adding zeros to matrix
Let A be your 100*100 matrix. B = zeros(300) ; B(1:100,1:100) = A ;

5일 전 | 1

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Obtain the mean angle (circle mean of a file)
num = xlsread(myfile) ; % better use readtable iwant = mean(num,2) ;

5일 전 | 0

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How do I turn of thr grid of a surface but keep the edge line on?
[X,Y] = meshgrid(1:10) ; Z = sqrt(X.^2+Y.^2) ; % plot the outer line X1 = X ; X1(2:end-1,2:end-1) = NaN ; Y1 = Y ; Y1(...

6일 전 | 0

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답변 있음
Just want to learn how to better
Read about imread, imshow, title.

6일 전 | 0

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How do I subplot multiple tiles that I divided from a satellite image in one figure?
count = 0 ; for m=1:16 for n=1:16 count = count+1 ; subplot(16,16,count); imshow(tiles{m,n}); ...

6일 전 | 1

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Changing the color of a 3D plot
This command: h = plot( fitresult); You specify a marker/ different color for both the functions. h = plot( fitresult,'b'); ...

6일 전 | 0

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Select points inside a polygon
You can use the previous questions answer..with a slight change while saving the points. clc; clear all ; load("polygon1_x.ma...

6일 전 | 1

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Velocity potential with quiver command
You should use gradient. [u,v] = gradient(StreamFunction) ; quiver(x,y,u,v)

6일 전 | 0

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Plot a box around set of points
This question can be solved from your previous question which was answered. If (x,y) is your point and you want points around ...

6일 전 | 2

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