plot water level(at fixed point) vs time
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hello guys, I am drawing water level h at nodes i (I use finite volume method) where i=1:m
so, the equation is h(i)=h(i)-(dt/dx)*(F1(i+1)-F1(i)); and the drawing code is
plot(h+Zb,'-')
hold on
plot(Zb,'-')
axis([0 m 0 5])
if I wanna draw the water level at i=100(fixed point) during time period where total time is tmax and time step is dt.
how can I do it? I know it is simple but I feel confused
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