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KSSV


INCOIS

5,617 total contributions since 2011

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

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Answered
Find centre point of coordinates in three dimensional space and then calculate euler angles relative to the centre point.
Let A be your 2000X3 data points. YOu can get your center using mean C = mean(A) ; To get angle refer: https://in.mathworks...

10 hours ago | 0

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Problem in running my code
TN=4; n_vec=1:TN; n=n_vec; themax=[0.32 0.51 0.112 1.3]; B=0.3; Psi=0.6; No=0.01; tau=B./n; for Max=themax; h=ran...

1 day ago | 0

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Finding the minor and cofactor for a matrix using matlab
Refer this: https://in.mathworks.com/matlabcentral/fileexchange/2284-introductory-linear-algebra-with-applications

1 day ago | 0

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Get number of occurrences of value in a specific position in matrix
As you know the locations.....you have indices in hand.....pick those values......check with your value: iwant = nnz(matrixva...

1 day ago | 0

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Get a set of arrays as input from user in matlab function
Read about input prompt = 'Enter Array:'; x = input(prompt) ;

1 day ago | 0

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ode45 problem with plotting
You should change view to 1. And there is small change in the name of variable..hope the below one works: function [t,th,r...

1 day ago | 0

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segment of large data .mat file of 2 hr in 5 minute .mat files
S = load('01911m.mat') ; val = S.val ; n = length(val) ; t = linspace(1,2*60,n) ; % get for every five mins ti = 1:round(n...

1 day ago | 0

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how to merge two images of different file types?
It can be done: Read the image 1 say I1 Read the image 2 say I2 Get both I1, I2 to same size using imresize, if they are o...

1 day ago | 0

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How do I save the contents of a structure as a textfile?
S = struct() ; S.time = (1:100)' ; S.values = rand(100,1) ; S.type = 'Wave form' ; S.unit = 'mv' ; S.samplerate = 300 ; ...

1 day ago | 0

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Command to get specific row and column data to be displayed in the code
% Make dummy data A = [rand(10,1) rand(10,1)] ; s = ones(10,1) ; s(1:5) = -1; A(:,2) = s.*A(:,2) ; % get index of sign c...

1 day ago | 0

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How to dynamically allocate labels to a legend?
n=5 ; lgd = cell(n,1) ; figure hold on for i=1:n plot(rand(10,1)) ; lgd{i} = strcat('X=',num2str(i)) ; end leg...

1 day ago | 0

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Columb's law in Matlab
Actually this is an home work problem....we dont solve your home work problems.......As you have asked to give some insight and ...

1 day ago | 0

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Plotting Multiple Histograms with Increasing Number of Bins
count = 0 ; for i = 1:3 for j = 1:3 count = count+1 ; subplot(3,3,count) plot(rand(3,1)) ...

2 days ago | 1

Answered
Is there a way to code Matlab to show complete mathematical working of a solution?
Refer here: https://blogs.mathworks.com/pick/2009/02/06/plotaxisatorigin/ YOu shift the origin and change the tick labels...

2 days ago | 0

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Answered
Duplicate every element of a matrix to NxN elements
A = [1 2 3 4 ] ; [nx,ny] = size(A) ; B = cell(nx,ny) ; for i = 1:nx for j = 1:ny B{i,j} = repelem...

2 days ago | 0

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Plot 3 with data set and one equation
A= [ 0.7835 0.118 0.7939 0.115 0.8043 0.1121 0.8148 0.1093 0.8254 0.1066 0.8360 0.104 ...

2 days ago | 0

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How do I generate missing entries using random binary masks on an Image?
Try this: https://in.mathworks.com/matlabcentral/fileexchange/4551-inpaint_nans

2 days ago | 0

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Answered
Averaging every element with nearby elements
Read about knnsearch. With this you can get your desired number of nearest neighbors indices.....with the indices you can get yo...

3 days ago | 0

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create a matrix with numbers from vector
N = zeros(3,3,3) ; for i = 1:3 N(i,:,i) = 1 ; end M = reshape(N,3,[])

3 days ago | 0

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How can I remove the region outside of the vector data when I combine the vector and raster data on the same map?
You must be having the boundary coordinates in hand........use inpolygon and get the points lying inside the closed region. Read...

3 days ago | 0

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How do I form a product of two arrays and add the numerical value of the integral in the plot?
xData = linspace(0,4*pi,1024); yDataA = cos(xData); yDataB = cos(xData); p = yDataA.*yDataB ; plot(xData,p)

3 days ago | 0

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How to convert GPS data (lon,lat) data into X, Y (meters)
You can convert (lat,lon) which are in degrees to kms using deg2km. If you want to convert degrees to utms you may have a look...

4 days ago | 0

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Extracting specific portions of acceleromeetr signal
load('accx.mat') ; tol = 0.1 ; % can be varied idx = abs(accx)>tol ; plot(accx(idx))

4 days ago | 1

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2x/5-x/6=7/10
YOu can do simple hand calculation......or else you may use syms and solve syms x eqn=10*x/5-2*x/6-7/10==0 ; sol = solve(e...

4 days ago | 0

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How can I rearrange data in txt file to Matlab?
fid = fopen('data.txt','rt') ; S = textscan(fid,'%s','delimiter','\n') ; S = S{1} ; fclose(fid) ; idx = contains(S,'7c:95...

4 days ago | 0

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Want to plot a table that has both text and numbers into a pie chart
T = [{'Alabama' } {[ 227433]} {'Alaska' } {[ 12107]} {'Arizona' ...

4 days ago | 1

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Matrix Operations using MATLAB
Read about eig https://in.mathworks.com/help/matlab/ref/eig.html A = magic(6) ; [v,d] = eig(A) ;

4 days ago | 0

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Answered
vectore with two colors
A = rand(3,1) ; B = rand(3,1) ; x1 = 1:length(A) ; x2 = (1:length(B))+length(A) ; figure hold on stem(x1,A,'r') stem(x2...

4 days ago | 0

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How to remove data on left hand region of the image?
Use pcolor. Plot the color bar......See the limits and values.......which ever values you don't want replace them with NaN or re...

4 days ago | 0

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Answered
Plotting elements of a matrix in one vertical line for every iteration
YOu can specify a random colour using rand(1,3)

4 days ago | 0

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