MATLAB: Connecting a line from the first data point to the last data point

line

I have a 2D scatter plot. I am trying to create a line that connects from the very first data point to the very last data point only. I would appreciate any help. I have a total of 40 data points.

Best Answer

x=1:10;
y=rand(size(x));
scatter(x,y);
line(x([1 end]),y([1,end]))

Related Solutions

MATLAB: Data curve fitting, connecting point

Karim,

lose the for loop and just issue the plot command as shown below

clear; close all; clc;
% Specify value for Variables: 
s_TO = 1000; % take off distance in feet 
s_GTO = s_TO/1.66; % ground roll take off distance in ft 
sigma = 1; % density ratio
% enter range for max lift coefficient for Take-Off 
C_LmaxTO_begin = 1.2; 
C_LmaxTO_end = 1.8; 
L1 = C_LmaxTO_end - C_LmaxTO_begin;
% enter range for wing loading 
W_S_begin = 10; 
W_S_end = 60; 
L2 = W_S_end-W_S_begin;
n = 10; % incerement size
d1 = L1/(n-1); 
d2 = L2/(n-1);
C_LmaxTO = C_LmaxTO_begin:d1:C_LmaxTO_end;
W_S = W_S_begin:d2:W_S_end;
% Solve: 
TOP = 300;
for i = 1:length(C_LmaxTO)
    for j = 1:length(W_S)
        W_P(i,j) = TOP*sigma*C_LmaxTO(i)/W_S(j); 
    end
end
[X1,Y1] = meshgrid(W_S,W_P);
plot(W_S,W_P(:,1:10)','.-')  %changes made here

MATLAB: How to plot data point by point and erasing the last one

I have done pretty much animated plot with Matlab, What you need is a little trick !!

y=[1,3,2,3,3];
n=numel(y)
figure 
xlim([0 2])
ylim([0 2])
grid on
hold on
for ii=1:n
    if y(ii)<1.1
    scatter(0.5,0.5)  ,hold on
    pause(1)
    scatter(0.5,0.5,'w')  ,hold on
    else if y(ii)<2.2
    scatter(1.5,1.5) ,hold on
    pause(1)
    scatter(1.5,1.5, 'w') ,hold on
        else
    scatter(0.5,1.5)
    pause(1)
    scatter(0.5,1.5,'w')
        end
    end
end

Best Answer

Related Solutions

MATLAB: Data curve fitting, connecting point

MATLAB: How to plot data point by point and erasing the last one

Related Question