How to Terminate a Loop After Reaching the Desired Value?

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Sarah Evans
Sarah Evans 2021-5-5
回答： KSSV 2021-5-5
Right now I need to write a loop of code that repeats the function
r(n+1)=L*r(n)
(Such that the 'r' value on the left = the matrix 'L' times the value of 'r' that came before the value on the left.)
Until r converges/stops changing (or until r(n+1)=r(n)).
All I have so far is
while r(n+1) ~= r(n)
r(n+1)=L*r(n)
end
Does anybody know how to stop a loop when a series converges? I'm so lost.

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采纳的回答

KSSV
KSSV 2021-5-5
tol = 10^-5 ; % fix your tolerance value
while abs(r(n+1)-r(n))>tol
r(n+1)=L*r(n)
end

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