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KSSV


Last seen: Today 2011 年からアクティブ

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

Programming Languages:
Python, MATLAB, Fortran
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English, Hindi, Telugu
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Animate a line in polar coordinates
In your case r is comlex number which is not allowed. You need to get r as shown below. theta = 0:0.001:2*pi; R = 1 ; x = R...

約6時間 前 | 0

回答済み
How to discretize the color in contour bar at smallest possible range?
% Make data for demo [X,Y,Z] = peaks ; vals = [0.000 0.005; 0.005 0.009 ; 0.01 0.05 ; 0.05 0.1; ...

3日 前 | 0

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How to plot the graph for a given signal over a range of frequency
w = [0 pi/8 pi/4 pi/2 pi] ; n = 1 ; x = cos(w*n) ; plot(w,x)

3日 前 | 0

回答済み
How to convert cell char array in Table With Column
You can use regexp to extract the data. load('Data.mat') [m,n] = size(Datawebsite) ; predictedClass = cell(m,1) ; maximum...

4日 前 | 0

| 採用済み

回答済み
Using masking and native string functions to find the longest word in a string.
str = 'Today is a good day' ; s = strsplit(str) ; L = cellfun(@length,s) ; [val,idx] = max(L) ; longest_string = s{idx} ; f...

4日 前 | 1

回答済み
Maximum perpendicular distance between lines
You have to use the foot of the perpendicular formula. clc; clear all ; x = [120 150 180 210 240 270 300 330 ...

5日 前 | 0

回答済み
Indexing in complex cell arrays
% Make dummy data for demo a = cell(10,1) ; for i = 1:10 m = randsample(5:10,1) ; b = cell(m,1) ; for j = 1:m...

5日 前 | 0

回答済み
Generate a Random Point inside a box/plane
A = [0 0] ; % (p,q) B = [1 1] ; % (x,y) a = 50; b = 100; r = (b-a).*rand(1000,1) + a; x = (B(1)-A(1))*rand(100,1)+A(1) ; ...

5日 前 | 0

回答済み
How to plot This graph in matlab?
I have shown one plot for you reference. You may extend the same to others. x=1.0:0.1:3.0; y=-2.03*10^-3*x.^2+5.76*10^-3*x+1*...

5日 前 | 0

回答済み
Expected a scalar value. This expression has size [:? x 1].
Try this: % Sample Code tol = 10^-3 ; % can be changed idx = find(abs(sample.data1-values)<tol) ; max_index = idx(1) ;

5日 前 | 1

| 採用済み

回答済み
Fisher Discriminant analysis - issues with classes
You should use: % Compute mean of each class mu = zeros(k,C); % k = 3 i.e. number rows and C is number of classes i.e.5 for...

5日 前 | 0

回答済み
How to check whether point is inside high dimensional convex hull?
This link should help you: https://in.mathworks.com/matlabcentral/answers/101396-is-there-a-function-in-matlab-for-detecting-poi...

6日 前 | 0

回答済み
Extract area of matrices (lat, lon, data) by shapefile. "Requested array exceeds the maximum possible variable size."
You need not to use meshgrid. Already your lon, lat values are in meshgrid. Remove these lines: lat = %MyLat 8000x8192; lon = ...

6日 前 | 0

回答済み
extractin values from a struct that is in a table
rain = data.rain ; iwant = zeros(length(rain),1) ; for i = 1:length(rain) if ~isempty(rain{i}) iwant(i) = rain{...

6日 前 | 0

| 採用済み

回答済み
Find unknowns from inequations
Read about linprog

6日 前 | 0

| 採用済み

回答済み
How to find first 10 minimum values in a table array?
You can sort the array you want and arrange the other arrays/ table into that order. You can pick the first whatever number you ...

7日 前 | 0

回答済み
How do I plot values taken from a for loop function?
clc B0=-0.00356616 ; %Lapse Rate T0=518.67 ; B=B0 ; %Lapse Rate a=0.1:36089.2 ; %Altutude in ft T...

8日 前 | 0

回答済み
A general question about syntax regarding an Excel file's rows and columns in MATLAB
T = readtable(file,'HeaderLines',1) ; data = table2array(T) ; m = mean(data) [SL: fixed typo]

8日 前 | 0

回答済み
Filling area common to two inequalities?
clc; clear all; E11=0.041057; E12=-0.117734; E21=0.029952; E22=-0.042564; A=[1 -E22/E11]; D0=E11*E22-E12*E21 ; ...

10日 前 | 0

回答済み
Approximate Value Using Taylor Polynomial
syms x f = (sin(x).^2).*(cos(x)) T = taylor(f,x,'order',10) double(subs(T,5))

10日 前 | 0

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回答済み
Index in position 2 exceeds array bounds. Index must not exceed 1. Error in refPose = data.ActorSpecifications(1,46).Waypoints;
Change this line: refPose = data.ActorSpecifications(1,46).Waypoints; to refPose = data.ActorSpecifications(46,1).Waypoints;

12日 前 | 0

回答済み
reshape help doing PCA when all images contained in one .mat file
Your X data is of size 3240X20, you cannot reshape its each column to size 64X56..because 64X56=3584~=3240. So you need to use y...

12日 前 | 0

回答済み
Loop variable for readtable arguments
txtFiles = dir('*.txt') ; N = length(txtFiles) ; for i = 1:N T = readtable(txtFiles(i).name) end

13日 前 | 0

| 採用済み

回答済み
3D matrix transpose and dimensioning
% Data for demo A{1,1} = rand(3,3,3) ; A{2,1} = rand(3,3,3) ; A{3,1} = rand(3,3,3) ; A{4,1} = rand(3,3,3) ; A % Conversio...

13日 前 | 1

回答済み
How can I split the excuation of multiple for loops ?
for k = 1:10 for i=1:5 X1(i) = do some calculation X2(i) = do some calculation end en...

13日 前 | 0

| 採用済み

回答済み
Hello, I've got the problem. Can any one help me with that error?
It looks there is some problem with conditions. Check the conditions. Without the conditions it is working fine. syms x(t) Dx...

13日 前 | 0

回答済み
How to name axes from the script
plot(rand(1,10)) labelx = input('Input Xlabel:') ; labely = input('Input Ylabel:') ; xlabel(labelx) ylabel(labely)

14日 前 | 0

回答済み
how can I calculate A^n when n is a symbolic positive integer?
A = [1/2,1/2,0,0;1/2,0,1/2,0;1/2,0,0,1/2;0,0,0,1] syms n positive integer A.^n

14日 前 | 0

回答済み
Find the minimum and maximum value of internal intervals in an array
clc; clear all ; array = [1 2 3 NaN NaN NaN -1 0 5 NaN 0.25 NaN 5 6 7]; M = array' ; idx = isnan(M); ...

16日 前 | 1

回答済み
Find coordinates of point on original image after using interp2
A=round(rand(10).*10); [nx,ny] = size(A) ; [X,Y] = meshgrid(1:ny,1:nx) ; [x_a,y_a] = meshgrid (linspace(1,10,8),linspace(1...

16日 前 | 0

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