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KSSV


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6 958 total contributions since 2011

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

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Answered
FZERO requires at least two input arguments
You have to provide inputs to the function. Save those functions in a file, in a folder. al = give your value ; bt = give y...

environ 4 heures ago | 1

Answered
How to split the data inside the matrix correctly?
Try this loop....I quicky typed it..check thorughly. data = [0 0 2.53164556962025 0 5.06329113924051 0 ...

environ 5 heures ago | 0

Answered
I want to plot the below equation in matlab but i dont know how to plot
Let the range of (x,y) be from 0 to 1 . m = 100 ; n = 100 ; x = linspace(0,1,m) ; y = linspace(0,1,n) ; [X,Y] = meshgrid(...

environ 5 heures ago | 0

Answered
Create a vector with binary values {0,1} with certain percentage of 0's and 1's
N = 10 ; % total numner of elements O = 6 ; % Number of 1 needed F = N-O ; % Number of 0 O = ones(1,O) ; F = zero...

environ 7 heures ago | 0

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Answered
saving images in loop
for i = 1: length(fwdposx) figure('color','w') drawfield(frateMaps{i},'jet',max(max(frateMaps{i}))); ...

environ 12 heures ago | 0

Answered
How I can show one plane of a 3D matrix double
To use imshow the input should be a matrix .....you may try imshow(squeeze(B))

environ 13 heures ago | 0

Answered
Conversion of a vector file into raster
Let x,y,z be your column data. xi = min(x):0.5:max(x) ; yi = min(y):0.5:max(y) ; [X,Y] = meshgrid(xi,yi) ; Z = griddata...

environ 24 heures ago | 0

| accepted

Answered
Help with Delaunay Triangulations plot
I suggest to use this package for Delaunay Triangulation. https://in.mathworks.com/matlabcentral/fileexchange/25555-mesh2d-del...

environ 24 heures ago | 0

Answered
In a randomly generated matrix how to find the position(row and column) of an element by using its value?
Your matrix has floating point numbers..you cannot get the value you want using like that. You should use: tol = 10^-5 ; % tole...

1 jour ago | 1

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Answered
Eliminate certain entries of cell array
If C is your cell array and FR has the indices of cells which are to be removed, use: C(FR) = []

1 jour ago | 0

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Answered
change color scheme of a scatter plot
You should follow like this demo: n = 100 ; x = 1:n ; y = rand(size(x)) ; % divide based on values idx1 = y >=0 & y<0.25 ;...

1 jour ago | 0

Answered
How can I convert this cell array into a matrix?
Use reshape after that. iwant = reshape(cell2mat(C),60,[])' ;

1 jour ago | 0

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Answered
regarding plotTING DATA in matlab
% Random data for demo n = 100 ; x = 1:n ; y = rand(size(x)) ; % plot plot(x,y) lgd = ['ymax = ',num2str(max(y))] ; leg...

1 jour ago | 0

Answered
How to run this code for 1000 times?
N = 1000 ; MSE = zeros(N,2) ; for i = 1:N %For C1 lambda1 = [60.21, 41.58, 9.11, 8.71, 3.83, 3.74, 18.06] ; r1 = po...

1 jour ago | 0

| accepted

Answered
converting a string to a matrix
Read about str2double.

1 jour ago | 0

| accepted

Answered
Mean command gives wrong answer
You should change the value of y as your are changing the indices. x=[1,2,3,4,5,6,7,8,9,10,11,12]; % x values y=[15,120,2...

1 jour ago | 1

Answered
problem in solve command
% If you have two loops m = 10 ; % rows n = 5 ; % columns iwant = zeros(m,n) ; % initialization % loop start for i = 1...

1 jour ago | 0

Answered
How to code the Average monthly temperature? I'm newbie in matlab.. Please help me
It looks like you have a data matrix of size 24X12 . Use mean to get the average. Read about the function mean. If A is your dat...

1 jour ago | 0

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Answered
How to convert time domain to frequency domain using FFT
data = importdata("before test.txt") ; t = data(:,1) ; amp = data(:,2) ; dt = unique(diff(t)) ; % time step Fs = 1/dt ...

1 jour ago | 0

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Answered
hello how do I write this function without getting an error saying "variable K has an incorrect value".
a=-3 ; b= 3; h = (b-a)/N; x=a:h:b; k =abs(x).*exp(-x.^2) ; K = sum(k*h);

1 jour ago | 0

Answered
How can I distribute random points in some lines?
%% Striaght line L = rand(2,2) ; P1 = L(1,:) ; P2 = L(2,:) ; % Get slope and y intercept P = polyfit(L(:,1),L(:,2),1) ...

2 jours ago | 0

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Answered
find points of intersection circle with line
clc; clear all ; C = [1.5 1.5] ; % center of cricle r = 1.5 ; % radius of circle % x = 0:1:3 ; y = 0:1:3 ; ...

2 jours ago | 0

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Answered
Linear regression to a matrix
P = polyfit(X,Y,1)

2 jours ago | 0

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Answered
How do I extract file names.
Read about fileparts https://in.mathworks.com/help/matlab/ref/fileparts.html Alos have a look on dir.

2 jours ago | 0

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Answered
How can I plot the values of a vector in colors: 2d position plot plus color.
Read about scatter.

2 jours ago | 0

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Answered
Eigenvalues of a large Matrix
clc; clear all ; clc;clear a=1.0; b=1.0; n=20; I1=eye(n); I2=eye(2); matdimension= (n-1); tempvector = 0:1:matdime...

2 jours ago | 0

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Answered
How to write an elliptic function using for loop
Read about polarplot. https://in.mathworks.com/help/matlab/ref/polarplot.html

2 jours ago | 0

Answered
Converting a 3D matrix in 2D matrix by making a average
You can specify the dimension in mean. Read about it. iwant = mean(A,3)

2 jours ago | 0

Answered
How to draw 3D plot in matlab with labels?
You can porceed something like this: A = rand(70,6) ; x = 1:70 ; y = ones(size(x)) ; figure hold on for i = 1:6 plot...

3 jours ago | 0

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Answered
how I can plot 3 independent variables in matlab (4 dimensions)?
m = 10 ; n = 10 ; p =10 ; x = linspace(0,1,m); y = linspace(0,2,n) ; z = linspace(2,3,p) ; [X,Y,Z] = meshgrid(x,y,z) ; f...

3 jours ago | 0

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