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see u man

which we use for finding all roots of a polynomial...help would be appreciated

how our initial guess increases the rate of convergence

Then we talk.

in 1-2 days.

thank u...i'll check this :)

Bairstow's method relies on newton's method to calculate the quadratic's coeffs, right?

yeah we extract quadratics from a polynomial and then solve for all of its roots...

But newton's method essentially makes the assumption that
\[\Delta y = \Delta x dy\]

Ex:|dw:1349025207545:dw|

i mean how u say relies on newton's method ??

Well, if you were using Bairstow's method normally, how would you find r and s?

starting with an initial guess and modify it \[r_2=r_1+\Delta r\]\[s_2=s_1+\Delta s\]

Yes, how do you get delta r and delta s?

then i cant modify my r and s

Exactly, and you're stuck in an infinite loop.

sorry man...just one more question...under what conditions we get delta r and delta s =0

Well, that's dependent on the actual polynomial and the r_1 and s_1 that you choose.