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Secant method table. f(xn-1). xn-1. xn. f(xn). xn+1. n. 1. 4.0000. -3.4800. 6.0000. 9.8800. 4.5210. 4.7303. 9.8800. 2. 6.0000. 4.5210. -1.6287. -1.6287. 3. 4.7303. -0.5967. 4.8513. 4.5210. 4.8368. -0.5967. -0.0815. 4.8513. 4.7303. 4. -.0032. 5. 4.8513. 4.8373.
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Secant method table f(xn-1) xn-1 xn f(xn) xn+1 n 1 4.0000 -3.4800 6.0000 9.8800 4.5210 4.7303 9.8800 2 6.0000 4.5210 -1.6287 -1.6287 3 4.7303 -0.5967 4.8513 4.5210 4.8368 -0.5967 -0.0815 4.8513 4.7303 4 -.0032 5 4.8513 4.8373 -0.0815 4.8373 Lecture 11 Rootfinding – Newton’s and secant methods