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KSSV


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8,304 total contributions since 2011

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

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Answered
Matlab interpolation between two surfaces
Have a look on slice.

6 hours ago | 0

Answered
solve non linear equations
Replace the first line: lear all with clear all Also terminate the output of each line using ;

7 hours ago | 0

Answered
Concatenate arrays in MATLAB and Change Column name of Table
t = [10 20 30; 40 50 60]; A = t(:,1) ; B = t(:,2) ; C = t(:,3) ; T = table(A,B,C)

8 hours ago | 0

Answered
Function problem in loop
function out=fns1(X) x1=X(:,1); x2=X(:,2); x3=X(:,3); x4=X(:,4); x5=X(:,5); x6=X(:,6); x7=X(:,7); x8=X(:,8); x9=X(:,9);...

8 hours ago | 1

Answered
How to set Reallyl Basic iterative sum
% f = n*sin(n*x) ; thesum = 0 ; for n = 1:10 thesum = thesum+n*sin(n*x); end

8 hours ago | 0

Answered
How to make a file size smaller when export as a netcdf?
Convert the variables to single and then write to nc file. Read about Single.

9 hours ago | 0

Answered
Contour plot for the external data
simData = importdata('eField_sample.txt'); % import data x_val = simData.data(:,1); % x-coordinate y_val = simData.data(:,2); ...

9 hours ago | 0

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Answered
Create equations in a loop
% K*t = F t = K\F ; Refer more: https://in.mathworks.com/help/matlab/ref/mldivide.html

11 hours ago | 1

Answered
Correlation of rows of matrix B with rows of reference matrix A
[r,c]=size(matA); x = zeros(length(r),1) ; for i=1:r x(i) = corr(matA(i,:)',matB(i,:)') ; end [val,idx] = max(x)

12 hours ago | 0

Answered
Hello everyone, I would like to ask a question. How to plot only the (-pi:+pi) range of the following curve.
load jizuobiao2.mat THETA12 = linspace(-pi,+pi,length(RHO12)) ; f2 = fit(THETA12,RHO12,'smoothingspline','SmoothingParam',0.99...

1 day ago | 0

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Answered
Calculate the Gradient of a given function using the forward and central quotients.
function f1x = vordiff(f,x,h,y,z) %Vorwärtsdifferenzenquotienten syms x y z ; f = (4*x+3*y+2*z)*e^(-3*x^2)-4*y^2-8*x*y-2*z^2 ...

2 days ago | 0

Answered
How to select a range of data in matrix
Let A be your column matrix. idx = A <= 44.1 ; % get indices using logical indexing iwant = A(idx) ; % Extract those elemen...

3 days ago | 1

Answered
Loop for contour a 3 inputs function
x = linspace(-1,1) ; y = linspace(-1,1) ; z = linspace(-1,1) ; [x,y,z] = meshgrid(x,y,z) ; s = x.^2+2*x.*y.*z+y.^3+y.^...

3 days ago | 1

Answered
How can i use symbolic variables which were created as a vector?
What you have shown will not work and it is meaning less. You have to use: x = [1 2 3 4 5 6 7 8 9]; Where veer you have x1, x...

3 days ago | 0

Answered
How can I plot 4-dimensional plot?
Have a look on slice. T = readtable('Book1.xlsx') ; l1 = T.l1 ; l2 = T.l2 ; l3 = T.l3 ; Lz = T.Lz ; nx = length(un...

3 days ago | 0

Answered
How to identify biggest location plot of random plotting
You need to sort the distance and pick the required number of points you want, to get the points from A close to BS. n = 50; ...

4 days ago | 0

Answered
How to generate video file from animated plot in Matlab?
It is because, you are writitng only the last frame into video...you need to keep the video writer code into a loop. x = linsp...

4 days ago | 0

| accepted

Answered
Creating a matrix of all possible combinations given multiple vectors
REad about perms and nchoosek.

4 days ago | 0

Answered
How can we generate random numbers between two negative values.
a = -5 ; b = -1.670000000000000 ; r = (b-a).*rand(1000,1) + a;

4 days ago | 2

| accepted

Answered
Find the under condition min or max of a row vector
a = [ 1 3 5 2 5 7 8 3 6 4 9 ] ; a(a<3) = NaN ; % Replace values <3 to NaN [val,idx] = min(a)

4 days ago | 0

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Answered
How to use for loop
user_input = fprintf('%.1f\n', input('Enter a positive real number')); count = 0 ; while count <= 10 if user_input >= 0 ...

4 days ago | 1

Answered
How to make a color sphere as colorbar in 3D image
[X,Y,Z] = sphere; surf(X,Y,Z) colorbar

4 days ago | 0

Answered
x and fx matrix
x = linspace(0,11,10) ; f = 2*x ; iwant = [x;f]

4 days ago | 0

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Answered
I am trying to plot x and y with y being the only unknown but I don’t what is wrong in my code please help
Your x is an array Where as theta is only a scalar. You have to make theta and x both arrays of same size. You need to use...

4 days ago | 0

Answered
Open specific format file outside MATLAB ?
Right click on the C file...click on the "open with" and the choose "choose default program", after this selct your visula studi...

4 days ago | 0

Answered
Trim only edge NaN values
X = [NaN, NaN, 2, 5, 1, 6, NaN, 1, NaN, NaN]; A = isnan(X) ; idx = find(A & diff([0 A]) == 1 & diff([A 0]) == 0) ; idx = [...

5 days ago | 0

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Answered
Abaqus input file edit as required by user
Refer this: https://in.mathworks.com/matlabcentral/answers/307258-extract-nodes-and-elements-from-abaqus-input-file-to-matlab ...

6 days ago | 0

Answered
Get all unique combinations from cell array for use as functional arguments
A 2*2 matrix means there are four elements i.e. four global indices. idx = 1:4 ; c = nchoosek(idx,2) C has the possible comb...

7 days ago | 0

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