how to plot individual particle velocites in a closed space

i had some spherical particles which will be moving with time i had the velocity data but to plot contour i need to assign to grid how to do this

[darova]

Provide the data, sample code or image

[bharathi Dasari]

please find the attached text file

[darova]

How to load it into MATLAB?

[bharathi Dasari]

in home page there is an option called import data, after importing select 2 coulmns which are in b and c rows which are particle postions (x,y) with respect to time and keep the option column vectors in output type and generate it as script

[Sulaymon Eshkabilov]

Describe your data: which column is what and which column is your time//velocity//coordinates, etc or you have formulation to compute your velocity from your atatched data?

[bharathi Dasari]

xx,yy are x and y locations and at the starting real time tells at what time step we are ,velocity components is not there in that data. i dont have any

Answer 1

[darova]

Here is what i invented

clc,clear

A = readtable('ploc.txt');
A1 = A;
k = 1;
for i = 0:10
    ii = (1:561) + 561*i;
    A1(ii,:) = A(ii+k,:);               % read only with numbers
    k = k + 2;
end
A2 = table2array(A1);                   % convert table to array
A3 = zeros(length(A2),5);
for i = 1:length(A2)
    A3(i,:) = str2num(A2{i});           % convert cell/str to number
end

cla
hold on
for i = 0:10
    ii = (1:561) +i*561;
    x = A3(ii,2);
    y = A3(ii,3);
    plot(x,y,'.r')                      % draw particles
    pause(0.5)
end
hold off