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KSSV


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INCOIS

6.715 total contributions since 2011

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

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Answered
plot values in the loop
p=3 ; k = 1:p ; val = zeros(1,p) ; for i = 1:length(p) %something if %something d=d+1 val(i) = ...

ongeveer 2 uur ago | 0

Answered
How to plot an inversely proportional graph ?
plot(k,1./T) ; You can find the inverse/ reciprocal using 1./T.

ongeveer 4 uur ago | 0

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Answered
How to make a function that calculates percentage change in a vector
Loop: x=csvread('gdp.csv') for i=1:length(x)-1 p = (x(i+1)-x(i))/(x(i)) end Vector: p = diff(x)./x(1:end-1) ;

ongeveer 4 uur ago | 0

Answered
How get this program to calculate derivative properly?
Yn=A*sin(w*t); dYn = A*w*cos(w*t) ;

ongeveer 18 uur ago | 0

Answered
converting 2D XY coordinated into Grid format
It depends whether your data is gridded or scattered. Follow the below code to get what you want. Let A be your m*2 array. x =...

2 dagen ago | 0

Answered
Area of intersection of two ellipses
You can follow the below steps. For the two ellipses i.e get coordinates of both the ellipses. Let L1, L2 be your coordinates ...

2 dagen ago | 0

Answered
Common numbers between arrays
Read about intersection.

3 dagen ago | 1

Answered
I can’t get the program to run for some reason. I want to use for loops for this program.
You need not to use two for loops.....that is a wrong idea. This is what you should do: Ti = 0; Tinc = pi/180; Tf = pi...

3 dagen ago | 0

Answered
need Matlab program to count the number of lines until dollar sign is given
Read about strfind. YOu can search for you string using this.

3 dagen ago | 0

Answered
Single line of code for vectorization, Need Help!!
r = [0.1 0.2 0.3 0.4 0.5] ; h = [0.2 0.3 0.4 0.5] ; [r,h] = meshgrid(r,h) ; v = 1/3*pi*r.^r.*h ;

3 dagen ago | 0

Answered
How do you detect duplicate values within a random array?
If you want to use inbuilt functions......you can use unique. Read about it. Let A be your array. B = unique(A) ; if lengt...

3 dagen ago | 0

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Answered
Plotting question using data (water saturation)
sat_data = water_sattemp_data ; plot(sat_data(:,1),sat_data(:,2)) ;

3 dagen ago | 0

Answered
Adding Array elements from one element to another
Let A be your array. iwant = sum(A(487146:513795)) ;

3 dagen ago | 0

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Answered
Identifying the circle that fits the outer white pixels in a binary image (or make external mask)
I = imread("SampleXRmorph.PNG"); [y,x] = find(I) ; % Get center of cricle C = [mean(x) mean(y)] ; % GEt raidus d = sqrt...

7 dagen ago | 1

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Answered
How to fill the area between contour line and upper bound.
Get your required curve/ line coordinates; form a closed polygon and use patch/ area.

7 dagen ago | 1

Answered
How to divide vector to matrix(same row and column)
To remove extra elements and convert to square matrix A = rand(82580526,1) ; l = length(A) ; % GEt the nearest perfect squ...

7 dagen ago | 0

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Answered
Plotting user inputs in a 2D plot
prompt = 'Enter any number that you like:'; %{ I only want the user to enter a maximum of 10 numbers. %} N = 10 ; figure...

8 dagen ago | 0

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Answered
2D plot of a matrix
Read about importdata to load the data into MATLAB. You can normalize an array x to [0,1] using: norm_x = (x-min(x))/(max(x)-...

9 dagen ago | 0

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Answered
how to write a for loop in this case?
daily_tmax = cell(length(tmax),1) ; for i = 1:length(tmax) daily_tmax{i} = squeeze(mean(reshape(tmax{i}, size(tmax{i}, 1)...

9 dagen ago | 1

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Answered
Read spesific rowintervals from .txt file and store them
I = [12 40 68] ; iwant = cell(length(I),1) ; for i = 1:length(I) C = textscan(fid,'%.6f %.6f',npoints,'delimiter','\n',...

9 dagen ago | 0

Answered
How do I plot a line graph from scatter plot?
clc clear all A = 0.05; l_r = 2; %Wave length of the road v = 45; %Speed(m/s) P = l_r/v; %Period %Om = 1/P*2*pi; %Forcin...

10 dagen ago | 1

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Answered
For loop using strings
Let A be your data of size m*3. for i = 1:3 [pks_x_sit1,locs_x_sit1] = findpeaks(A(:,i),'MinPeakHeight',1.25); nr_...

10 dagen ago | 0

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Answered
How to graph using a for loop
YOu need not use a loop as the other user has suggested you. If you use a loop, you need to intiilaize the array and save it in ...

10 dagen ago | 1

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Answered
How to get all values existing in arrays/matrices?
Read about unique a = myArray(:) ; [cnt_unique, unique_a] = hist(a,unique(a)) ;

10 dagen ago | 1

Answered
In an image to set reference coordinate and get coordinates of color points .
If I is your matrix of image ..use [y,x] = find(I==val) ; where val is your pixel value you want. If I is m*n*3 RGB image....

10 dagen ago | 0

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Answered
Create random paths between two known points in 3D
A = [0,0,0] ; B = [1,1,1] ; N = 10 ; x = (B(1)-A(1)).*rand(N) + A(1); y = (B(2)-A(2)).*rand(N) + A(2); z = (B(3)-A(3)).*...

13 dagen ago | 0

Answered
How to change from cell to array
Read about cell2mat.

14 dagen ago | 0

Answered
how to detect border irregularity?
If (x,y) are your boundary points. % Get bounding box x0 = min(x) ; x1 = max(x) ; y0 = min(y) ; y1 = max(y) ; % A = [...

14 dagen ago | 0

Answered
Inf or NaN vaiues normalize into [0 1]
use xnew = (x-xmin)/(xmax-xmin)

15 dagen ago | 0

Answered
Unable to perform assignment because the indices on the left side are not compatible with the size of the right side. Error in Q38 (line 10) Mat(row,col)=t1
You have to intilize them either as a cell or matrix. I am intializing as cell. check below: %Questions#38 clc clear close ...

15 dagen ago | 0

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