Two functions superimposed on each other.

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T
T 2012-10-18
Suppose I have two functions, say y = sin(t) and y = sin( t + pi/4) and I want to make them start at the same point. How can this be done?
  2 个评论
Matt J
Matt J 2012-10-18
编辑：Matt J 2012-10-18
How do you define their "starting point" right now? For example, why couldn't you consider t=0 to be the starting point of both functions already? Sure, they start at different values, but what difference does that make?
T
T 2012-10-18
编辑：T 2012-10-18
Suppose that y1 = sin(t) starts at t = 2000 s and ends at t = 5000 s and y2 = sin(t + pi/4) starts at t = 4000 s and ends at, say 7000 s.

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2012-10-18
t=0:0.1:10
plot(t, sin(t))
hold on ,
plot(t+pi/4,sin( t + pi/4) )

更多回答（1 个）

Matt J
Matt J 2012-10-18
Change y2 to y2 = sin(t +2000 + pi/4)
now they will both start at t=2000

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