Mathematics, 15.10.2019 02:20 sylaspotter707
Consider the function f(x) = 1 β cos(x) x 2 . (a) evaluate limxβ0 f(x) = l. (b) as x β 0, at what rate does f(x) β l? (c) compute f(x) as written on a computer for values of x = 10β1 , 10β2 , . . , 10β10. comment on your results. (d) suppose that we are able to represent floating point numbers with n decimal digits of accuracy. around what value of r will the evaluation of f(x) produce very large relative errors when |x| < r? (e) rearrange the expression for f(x) to a mathematically equivalent expression so that the this new function evaluates accurately for very small values of x. verify the success of your rearrangement computationally. a
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Consider the function f(x) = 1 β cos(x) x 2 . (a) evaluate limxβ0 f(x) = l. (b) as x β 0, at what ra...
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