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General Discussion Board \ Calculator Discussion \ Finding roots using Newton's Theorum

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AuthorComment
threefingeredguy
Ghost
avatar
Posted: 9 Nov 2005
14:13 GMT
Total Posts: 1189
:1->A
:Input "Guess:",X
:While Y1
:X-Y1/nDeriv(Y1,X,X->X
:End
:Disp X

This displays one real root of the function in Y1. Use this when you get the stupid ERR:NO SIGN CHANGE. Or use algebra. Either way, good luck.

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Someone call for an exterminator?
BullFrog
Wraith
Posted: 10 Nov 2005
06:59 GMT
Total Posts: 623
My algebra skills will beat your program any day. I think...

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"Men are not prisoners of fate, but only prisoners of their own minds." -Franklin D. Roosevelt