Want to run the code for n values of X0, tried using for loop but didn,t get desired output.how to run for n values of X0?
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vaishali
el 11 de Jun. de 2014
Comentada: Geoff Hayes
el 11 de Jun. de 2014
if true
X = [ 0, 15 30 45 ];
Y = [50, 8.5, 2, 0.5];
X0 = 0;
n = 100;
f = 0.1;
x = linspace(min(X),max(X),n);
y = interp1(X,Y,x,'spline');
xt = X0+(0.1*(max(X)-min(X))*[-1 0 1]);
m = diff(y)./diff(x);
m = [m, m(end)];
k = min([find(x >= X0,1,'first'), length(x)]);
yt = y(k) + m(k)*(0.1*(max(X)-min(X))*[-1 0 1]);
plot(X,Y,'ro', x,y,'-b',xt,yt,'--g');
% code
end
3 comentarios
Geoff Hayes
el 11 de Jun. de 2014
What do you want the n values for X0 to be? The first is zero, the second one is… What should this sequence be?
Respuesta aceptada
Geoff Hayes
el 11 de Jun. de 2014
If X0 varies from 0 to 10 (and we assume a step size of 1), then a for loop could be introduced as follows
X0data = 0:1:10;
for i=1:length(X0data)
X0 = X0data(i);
X = [ 0, 15 30 45 ];
Y = [50, 8.5, 2, 0.5];
% etc.
plot(X,Y,'ro', x,y,'-b',xt,yt,'--g');
hold on; % to allow multiple plots on same figure
end
Try the above and see what happens.
4 comentarios
Geoff Hayes
el 11 de Jun. de 2014
Yes…but then you have to "save" X and Y at each iteration. Try it out and see.
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