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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: looping codes for iterative equation
Replies: 16   Last Post: May 23, 2012 11:10 PM

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Torsten

Posts: 1,184
Registered: 11/8/10
Re: looping codes for iterative equation
Posted: May 23, 2012 2:34 AM
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On 23 Mai, 08:18, "relgn ng" <dream_win...@hotmail.com> wrote:
> Hi,
>
> I have a equation which requires iteration to solve, can show me how the code should be like.
>
> The equation is like x' = x + 0.002512 - ((sin a/cos a) - 1)^1.5
> SO i will require to assume a random angle of x first
> Then working out the eqn and get x'
> Input x' answer as x into the eqn and get a new x'
> and keep repeating the above until x' = x
>
> Thanks in advance!!!

Say 0.002512 - ((sin a/cos a) - 1)^1.5 = c.
Then the iteration reads
x_(n+1) = x_(n) + c,
thus
x_(n) = x_(0) + n*c
This iteration won't converge unless c=0 .

Best wishes
Torsten.

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