Plotting two time dependant graphs with MATLAB -


basically, have 2 functions. p1 , p2.

p1 kicks in @ t=0 , runs few seconds (a trig function). p2 starts, it's , exponential decay.

below i'm trying do.

i've tried create time matrix , ode solver. need way of plotting both functions on sigle graph,.

any highly appreciated.

alpha=20 beta=4.9139 h0=-0.0116 a=959; p01=100; p02=100; r=0.5; c=0.1; 

from t01-t1 (0.639s)

h=(exp(alpha*t1)/(alpha^2)+(beta^2)).*(alpha*sin(beta*t1)-belta*cos(beta*t1));  g=(a*h0/c)-p01;  p1=((a*h)/(c-g))*exp(-t1/r*c); 

then: t02-t2 (1.278s)

p2=p02*exp(-t2/(r*c)) 

with

alpha=20; beta=4.9139; h0=-0.0116; a=959; p01=100; p02=100; r=0.5; c=0.1; t1 = 0:0.001:0.639; h=(exp(alpha*t1)/(alpha^2)+(beta^2)).*(alpha*sin(beta*t1)-beta*cos(beta*t1)); g=(a*h0/c)-p01; p1=((a*h)/(c-g)).*exp(-t1/r*c);  t2 = 0.639:0.001:1.278; p2=p02*exp(-t2/(r*c)); 

i.e. defining time vectors t1 , t2 going steps of 0.001s, following graph (note multiplied p2 10^8, because y-scales rather different.

figure,plot(t1,p1,'r',t2,p2*1e8,'g') 

enter image description here


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