https://sites.google.com/site/kolukulasivasrinivas/

Professional Interests: Mathematical Computing

Answered

How can i Find the derivative of Spline Function?

https://in.mathworks.com/matlabcentral/answers/95194-how-do-i-find-the-derivative-of-a-spline-curve-in-matlab-7-9-r2009b http...

How can i Find the derivative of Spline Function?

https://in.mathworks.com/matlabcentral/answers/95194-how-do-i-find-the-derivative-of-a-spline-curve-in-matlab-7-9-r2009b http...

ungefär 4 timmar ago | 0

Answered

how to plote a square that rotate around a square

S1 = [1 -1 ; 1 1 ; -1 1 ; -1 -1 ; 1 -1]' ; S2 = 2*S1; for i = 0:0.2:2*pi R = [cos(i) -sin(i) ; sin(i) cos(i) ]...

how to plote a square that rotate around a square

S1 = [1 -1 ; 1 1 ; -1 1 ; -1 -1 ; 1 -1]' ; S2 = 2*S1; for i = 0:0.2:2*pi R = [cos(i) -sin(i) ; sin(i) cos(i) ]...

ungefär 9 timmar ago | 0

Answered

Image from RGB to another one

https://in.mathworks.com/matlabcentral/answers/499387-how-can-i-calculate-cmyk-values-from-rgb-in-matlab http://mooring.ucsd....

Image from RGB to another one

https://in.mathworks.com/matlabcentral/answers/499387-how-can-i-calculate-cmyk-values-from-rgb-in-matlab http://mooring.ucsd....

ungefär 11 timmar ago | 0

Answered

Interpolating the data given between -pi and pi

You can simply use m = 100 ; % get this value using your ts step size th = linspace(-pi,pi,m) ; Using the time step ts..s...

Interpolating the data given between -pi and pi

You can simply use m = 100 ; % get this value using your ts step size th = linspace(-pi,pi,m) ; Using the time step ts..s...

ungefär 14 timmar ago | 0

Answered

correlation analysis of two adjacent pixels

Read about corr2. https://in.mathworks.com/help/images/ref/corr2.html

correlation analysis of two adjacent pixels

Read about corr2. https://in.mathworks.com/help/images/ref/corr2.html

en dag ago | 0

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...

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...

2 dagar 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(:...

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(:...

2 dagar 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)...

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)...

2 dagar 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...

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...

3 dagar ago | 0

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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...

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...

3 dagar 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...

Dicretization from countour nodes 2D.

Refer this: https://in.mathworks.com/matlabcentral/fileexchange/40681-transfinite-interpolation https://in.mathworks.com/matla...

3 dagar 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...

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...

3 dagar 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

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

3 dagar 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; ...

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; ...

3 dagar 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...

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...

3 dagar 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...

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...

3 dagar 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...

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...

3 dagar 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...

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...

4 dagar 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 ; ...

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 ; ...

4 dagar ago | 0

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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_...

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_...

4 dagar 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 ; [...

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 ; [...

4 dagar 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) ;

How to became my Tridiagonal matrix

Read about diag. iwant = diag(1:5)+diag(1:4,-1)+diag(1:4,1) ;

5 dagar 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] ; ...

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] ; ...

5 dagar 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...

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...

5 dagar 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...

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...

5 dagar ago | 1

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...

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...

5 dagar 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

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

5 dagar 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 ...

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 ...

5 dagar 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

transform a matrix with polar coordinates into a matrix with cartesian coordinates

Read about pol2cart. https://in.mathworks.com/help/matlab/ref/pol2cart.html

6 dagar ago | 1