How can plot integral for sin wave
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HELLO
iam plot sin wave signal and used the code in m file:
t=0:0.1:360*22/7/180;
x1=sin(t);
plot(t,x1);
but how can plot integral for sin wave?
please help me
tech
4 commentaires
Wayne King
le 14 Juin 2013
Now, I'm confused. You say "how can plot integral for sin wave?" This has to be the indefinite integral. The definite integral is just a number, so do you want to plot something or do you just want a number. Did you see my response below? That finds and plots the indefinite integral.
Réponses (3)
dileep- adabala
le 14 Juin 2013
DO MATHEMATICAL CALCULATIONS FIRST TTHEN PLOT FOR COS WAVE
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Wayne King
le 14 Juin 2013
Modifié(e) : Wayne King
le 14 Juin 2013
t=0:0.1:360*22/7/180;
x1=sin(t);
dt = t(2)-t(1);
x2 = cumsum(x1.*dt);
x2 = x2-1-x2(1);
plot(t,x2)
Or
x2 = cumtrapz(t,x1);
x2 = x2-1-x2(1);
plot(t,x2)
2 commentaires
sirisha tammineni
le 23 Fév 2021
x2 = cumsum(x1.*dt);
x2 = x2-1-x2(1); sir can u explain these two lines
Samarth
le 14 Juin 2013
f=inline('sinx','x');
syms x;
y=int(f(x),x);
t=0:0.1:360*22/7/180
hold on
plot(y(t),t);
end
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