How can I plug a solution from an equation back into another endlessly?

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matlabuser12
matlabuser12 2014-4-3
回答： Image Analyst 2014-4-3
I have two equations, for example:
A=x+yz+B
B=l+p-A
assuming everything but A and B are constants, and I know an initial A or B (so I can get one solution) how can I take that answer and plug it in for the next solution, and iterate through solutions until either zero or set amount of solutions has occurred?

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回答（1 个）

Image Analyst
Image Analyst 2014-4-3
Try a while loop:
A=1
B=1
x=2
y=3
z=4
l=6
p=7
tolerance = 9999999
loopCounter = 1; % Failsafe - max # loops.
while tolerance > 0.1 && loopCounter < 100
A=x+y*z+B
B=l+p-A
tolerance = abs(A) % Whatever ending condition you want.
loopCounter = loopCounter + 1;
end

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