How to find the value of a variable based on when another variable equals a certain number
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So what I'm trying to accomplish is to find the value of X right before Y is greater than D in my function
function [Result] = hw(D)
My X equation and my Y equation are
X = V.*T
Y = 0.5.*(9.81).*(T.^2)
Now I have to find X at the instance right before Y is greater than D. I would then have to incorporate that X into a vector so I made a new X called X_2. To solve X_2, I'd have to find the time (T) at which Y is less than D. If I do something like
T_ = (sqrt(2.*(Y)/9.81))
that would give me the T_ so I can put T_ into X_2, but how would I make it so I find the T right before Y is greater than D?
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Answers (1)
Walter Roberson
on 8 Feb 2016
No you cannot do that. Your X and your Y have no computation in common, so it is meaningless to talk about an X before or after a particular Y.
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