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KSSV


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7,265 total contributions since 2011

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

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Answered
Polygons with true and false statements
Read about inpolygon. You can define your required polygon vertices, and inpolygon will give you indices lying inside with 1 and...

20 hours ago | 0

Answered
load curve daily power consumption
data=[0 2 17; 2 6 12; 6 9 3; 9 12 15; 12 14 12; 14 16 14; 16 18 16; 18 20 18; 20 22 16; 22 23 12; 23 24 6]; power=data(:...

23 hours ago | 0

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Answered
For loop in matrix
A=1;%dV/dx when x=1,A(0)=1 V=2;%V when x=1,V(0)=1 a=0; b=1; n=100; x=linspace(a,b,n); h = x(2)-x(1) ; V = zeros(size(x)...

24 hours ago | 0

Answered
How to make delaunayTriangulation object from points and connectivity in 3D?
You should use the function triangulation for this. Read about this. https://in.mathworks.com/help/matlab/ref/triangulation.ht...

1 day ago | 0

Answered
Matrix from for loop displaying vectors of different length
You need to interpolate them to the same size using interp1. clc clear close all [index, sname] = textscan('filenr.lis','%d...

1 day ago | 0

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Answered
Dicretization from countour nodes 2D.
Refer this: https://in.mathworks.com/matlabcentral/fileexchange/40681-transfinite-interpolation https://in.mathworks.com/matla...

1 day ago | 0

Answered
how to load an HDF5 file in Matlab?
You should not use load to read your file. You have dedicated functions to read HDF5 files. Refer her: https://in.mathworks.com...

1 day ago | 0

Answered
Subplot in a for loop with different graphs
for i = 1:5 figure(1) subplot(5,1,i) plot(rand(1,10)) figure(2) subplot(5,1,i) plot(rand(1,10)) endfor

2 days ago | 0

Answered
How to solve the matrix K ^ -1 * F where the terms have unknowns?
syms a b c K =[14.8482*a+14.8492*c,-14.8482*a+14.8492*c; -14.8482*a+14.8492*c,14.8482*a+42*b+14.8492*c]; F= [34.641; ...

2 days ago | 0

Answered
How to make algorithm using raster file?
To load the data read about load, importdata, textscan. If your raster data matrix is A, to get your formula use: GDDmax = ma...

2 days ago | 0

Answered
Plotting a pair of linear equations to display a graph showing the solution of a pair of simultaneous equations that my program solves.
Read about input to make the user to enter the results. (I would prefer straight away values) If A is a 2X2 matrix and b is 2*1...

2 days ago | 1

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Answered
Someone help me. How to plot for this code to obtain figure?
clc clear all close all zeta0 = 1; h = 2; g = 0.0098; vt=sqrt(g*h); c=1; v=c*vt t1 = 50/v; t2=200/v; t=t1; x = 0...

2 days ago | 1

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Answered
Substitute for eval function
It is not adivsed to use eval. You can reshape your data into what you want. Check below: DATA_FC = rand(1001,13428) ; % rando...

2 days ago | 0

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Answered
How do I import multiple .dat files from a folder in Matlab?
datFiles = dir("*.dat"); N = length(datFiles) ; % loop for each file for i = 1:N thisFile = datFiles(i).name ; ...

2 days ago | 0

Answered
About TRMM Data and extraction it for a particular area?
Refer this link: <https://in.mathworks.com/matlabcentral/answers/407463-how-to-subset-the-matrix-array-with-shape-file#accepted_...

3 days ago | 1

Answered
Visualizing values in a matrix
Read about spy clc; clear all ; m = 10 ; A = zeros(m); % introduce random ones id = randperm(m*m,20) ; A(id) = 1 ; [...

3 days ago | 0

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Answered
How to became my Tridiagonal matrix
Read about diag. iwant = diag(1:5)+diag(1:4,-1)+diag(1:4,1) ;

3 days ago | 0

Answered
How to insert arrows at the middle of each of the parallel lines
Why annotation for this? You can use quiver. Play around with the below code. clc; clear all ; p = 0.01:.05:1; x =[0;1] ; ...

3 days ago | 0

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Answered
Solving System of Equations - Complex
Try this: kp1 = 2; kp2 = 3; p = 1; syms xco2 xco xo2 xo eqns = [(xo2^(1/2)* p^(1/2)*xco)/xco2 == kp1, (x...

3 days ago | 1

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Answered
What is the meaning of the Error Mesage "Subscript indices must either be real positive integers or logicals."
In MATLAB the indices of an array always should be positive integers. The indices can be 0,1 if it is og logical type. Example...

3 days ago | 0

Answered
coordinates from in the image
Read about ginput, getpts. You can get the points by clocking with mouse, the points you get will be w.r.t to the indices/ dimen...

3 days ago | 0

Answered
replace [ ] in an array with 0's
You run on each column of a table..

4 days ago | 0

Answered
How to get the sum of the series: 1 + 1/2 + 1/3 + 1/4 + ... + 1/n?
n = 10^5 ; s = 0 ; i = 0 ; while s <= 3 % fix the sum here i = i+1 ; s = s+1/i ; end i

4 days ago | 0

Answered
replace [ ] in an array with 0's
You can get all the emtpy functions in a cell using cellfun .. idx = cellfun(@isempty,C) ; % get empty cells in a cell array C ...

4 days ago | 1

Answered
transform a matrix with polar coordinates into a matrix with cartesian coordinates
Read about pol2cart. https://in.mathworks.com/help/matlab/ref/pol2cart.html

4 days ago | 1

Answered
creating combinations in the rows of two large multi-dimensional (N-by-M) matrices
Read about nchoosek, combnk. combnk will give you indices, and using these indices you can pick the rows.

4 days ago | 0

Answered
How to find radius of curvature?
https://in.mathworks.com/matlabcentral/fileexchange/69452-curvature-of-a-2d-or-3d-curve

5 days ago | 0

Answered
Merge specific text files
% to read files starting with M1 txtFiles = dir("M1*.txt") ; N = length(txtFiles) ; A = zeros(N,4) ; for i = 1:N a =...

5 days ago | 0

Answered
Current carrying Capability Program
The problem is very simple and straight forward. If I have a formula d = a*b/c with a, b, c defined to evaluate d, we do: a =...

5 days ago | 0

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