KSSV

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7,726 2011 年以降の合計貢献数

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

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find row in specifics value
[val,idx] = max(hasildk,[],2)

約5時間前 | 0

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Possible to contour at specific z planes to give the x,y coords?
You can use contour to do this. You need to specify the level as 0 to get your coordinates (x,y) where Z = 0. C = contour(X,Y,...

約6時間前 | 0

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How to draw a position vector on a 3D plot
You can use the file exchange: https://in.mathworks.com/matlabcentral/fileexchange/278-arrow You can also use annotation h=a...

約6時間前 | 0

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How can I display the sum of the digits of a number entered by a user?
n = 3434; digits = dec2base(N,10) - '0' ; iwant = sum(digits)

約21時間前 | 0

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convert a 3D matrix to a 2D matrix
iwant = X2 ; iwant(1:2:end,:) = X2(1:3,:) ; iwant(2:2:end,:) = X2(4:end,:) ;

約21時間前 | 0

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Reshape a multidimensional matrix
iwant = reshape(144,[]) ; Wont this work for you?

約24時間前 | 0

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How to plot coast and fill the land with gray without m_map
To fill the land use patch/ area/ fill. Read about those functions. To simply plot the coastline use plot.

1日前 | 0

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error using cross (A and B must have at least one dimension of length 3.)
https://in.mathworks.com/matlabcentral/fileexchange/55021-n-dimensional-cross-product

1日前 | 0

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Error vertcat not using vertcat
Your matrix is 10*10 Kx = [407 -169 0 0 0 0 0 0 0 0; -169 331 -162 0 0 0 0 0 0 0; -162 320 -158 0 0 0 0 0 0; % <-----...

1日前 | 0

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need help convertig 10 min data interval to 1 minute data interval
You need to do interpolation. Read about interp1 https://in.mathworks.com/help/matlab/ref/interp1.html

1日前 | 0

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How to change certain values in a 3 layer matrix and fill in another matrix?
Let NDVI be your 7971*7851*3 matrix. R = NDVI(:,:,1) ; G = NDVI(:,:,2) ; B = NDVI(:,:,3) ; % replace values % repalce each ...

3日前 | 0

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A loop to extract and plot data from a table
Let A be your 10*11 data. x = 0:1:10 ; plot(x,A)

3日前 | 0

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Selecting only half a row of an array
Read about MATLAB array indexing, instead of asking very simple basic questions. If a is an narray of size 1x5. a(1:2) % gi...

3日前 | 0

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Why won't my graph show?
Read about element by element operations. You need to use ./ in the line which shows error. %all of the variables except R0 ar...

3日前 | 0

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error using fprintf function
You have to specify a format specifier. A = 1000000000; B = A / 512; fprintf('%f\n',B); % %f is for floating point numbe...

4日前 | 0

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why i get this error
Your image seems to be a RGB image. You have to use imhist on a 2D matrix. Not 3D image. R = i(:,:,1) ; G = i(:,:,2) ; B = i...

5日前 | 0

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To store Output of a user defined function in an array
If you want to call function n times and if function gives on output, to store the utput in array: B = zeros(n,1) ; for i= 1:...

5日前 | 0

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Can I assign elements of one cell array to multiple elements of another cell array without a loop?
myArray = {'One', 1000; 'Two', 2000; 'Three', 3000; 'Four', 4000; 'One', 5000; 'Five', 6000}; anotherArray = [({'One', 'Two', '...

5日前 | 0

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Error using Quiver function
You cannot use like that. You need to take all data in double i.e in numbers to plot the arrows.Something like below: [X,Y] = m...

5日前 | 0

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Write a MATLAB algorithm takes as input the vector x and computes C rowwise
Read about circshift.

6日前 | 0

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Assign different symbols to my scatter3 plot.
REad about gscatter. Or You have to assign different markers based on Z and plot.

6日前 | 0

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intersection of circle arc and a line
Use this functions: https://in.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections

6日前 | 0

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How to go through each element of a vector without a for loop
If P is an array of coefficients and x is the value n = length(p)-1 ; iwant = sum(p.*x.^(n:-1:0)) If x is an column array i...

6日前 | 0

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how to stop overwriting results of a for loop in an array
clear,clc load LAnkle_tracking.mat plot(LAnkle(:,1),LAnkle(:,4),'k.') y=zeros(1,length(LAnkle)); for i=2:length(LAnkle)-1 ...

6日前 | 0

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Compare experimental and simulated image to estimate error
Let I1 be your experimental image, I2 be your simulated image. [m,n,p] = size(I1) ; I2_resize = imresize(I2,[m n]) ; dI = ...

6日前 | 1

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Element-wise multiplication of a 3D matrix KxLxM by a 1D vector M
Anew = reshape(A,K*L,[]) ; Cnew = Anew.*B' ; Cnew = reshape(Cnew,K,L,[]) ;

6日前 | 1

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how to generate 10 random numbers ( 0 to 1)
Read about rand. iwant = rand(1,10)

6日前 | 0

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Use inpolygon command for multiple polygon areas
Refer this: https://in.mathworks.com/matlabcentral/answers/592294-data-picking-from-grid?s_tid=srchtitle

6日前 | 0

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How can I apply a condition on a culumn?
Let A be your array. idx = A>360 ; A(idx) = A(idx)-360 ; idx = A<360 ; A(idx) = A(idx)+360 ;

6日前 | 0

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Index exceeds the number of array elements (1).
Repalce with this the for loop. for i=2:length(x_rec) xhat(i)= d1+d2*x_rec(i-1)+d3*y_rec(i-1)+d4*x_rec(i-1)*y_rec(i-1)+d5...

6日前 | 1

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