Where do I have to put the plot?
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Lorena Ortiz
am 4 Mai 2015
Kommentiert: Lorena Ortiz
am 4 Mai 2015
I want to plot Vcr as a function of m. In the solution of the program it is obtained that Vcr is
Vcr= 0 1 2 3 4
so something should appear, but I get this (nothing):
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/149740/image.bmp)
I don't know where and how I have to put the function plot in the code to obtain what I want. Here is the code:
close all
s=input('Introduce s(1-40): ');
n=input('Introduce n (1-100): ');
t=1000;
mf=zeros(1,s);
Vf=zeros(s,n);
cf=zeros(s,n,t);
Vcr=zeros(1,s);
Ccr=zeros(1,s);
syms c V m;
F=-m+V+c+i*(m-V-c);
Re=real(F)
Im=imag(F)
for h=1:s
mf(h)=h;
m=mf(h);
for j=1:n
Vf(h,j)=j;
V=Vf(h,j);
PRe=subs(Re) ;
d=0.01 ; %step size
D=20;
Nvec=[1:d:D];
step=length(Nvec);
for g=1:step
cf(h,j,g)=g;
c=cf(h,j,g);
Prec=subs(PRe);
if Prec>-0.0001 && Prec<0.0001
cr=c;
break
else
cf(h,j,g)=cf(h,j,g);
end
end
PImag=subs(Im)
if PImag==-1900
Vcr(1,h)=V;
Ccr(1,h)=c;
else
Vf(h,j)=Vf(h,j);
end
end
end
disp ('Las velocidades de migración son: ')
Ccr
disp('las velocidades criticas son: ' )
Vcr
plot(m,Vcr)
Thank you for your help!
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Akzeptierte Antwort
Purushottama Rao
am 4 Mai 2015
IN your m-file, m results in a scalar value. Whereas Vcr is an array.
Replace the plot command with plot(1:m,Vcr) or plot(0:m-1,Vcr)
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