The error bound for \F(0.5) - (0.5) in approximating f(0.5) by linear Lagrange polynomial passing through...
In Exercises 1-8, use Theorem 10.1 to find a bound for the error in approximating the quantity with a third-degree Taylor polynomial for the given function f(z) about 0. Com- pare the bound with the actual error. 2. sin(0.2),f(x)= sin x Theorem 10.1: The Lagrange Error Bound for Pn(a) Suppose f and all its derivatives are continuous. If P,() is the nth Taylor polynomial for f(a) about a, then n-+1 where f(n+) M on the interval between a and a....
Extra Credit Problem a. Find a bound on the error incurred in approximating fx- Inx by the fourth Taylor polynomial of fat x-1 in the interval l1, 1.51. b. Approximate the area under the graph of f fromx-1 tox-15 by using the fourth Taylor polynomial found in part a. c. What is the actual error? (Hint: use integration by parts to evaluate the definite integral of fin the intervab. Extra Credit Problem a. Find a bound on the error incurred...
a. Find the linear approximating polynomial for the following function centered at the given point a b. Find the quadratic approximating polynomial for the following function centered at the given point a c. Use the polynomials obtained in parts a, and b. to approximate the given quantity f(x) = 1x, a = 0; approximate 105 a. (x)=0 b.p2(x)=1 c. Using the linear approximating polynomial to estimate, 105 is approximately (Type an integer or a decimal.) Using the quadratic approximating polynomial...
a. Find the linear approximating polynomial for the following function centered at the given point a. b. Find the quadratic approximating polynomial for the following function centered at the given point a. c. Use the polynomials obtained in parts a. and b. to approximate the given quantity. 1 Ca= 1; approximate 1.09 a. Py(x) = 0 b. P2(x)=0 1 1. c. Using the linear approximating polynomial to estimate, 16a is approximately (Type an integer or a decimal.) Using the quadratic...
Given the data points (-3,5),(-2,5),(-1,3), (0, 1) (a) Find the interpolating polynomial passing through these points. (b) Using your polynomial from (a), evaluate P(1). (c) This polynomial interpolates the function f(x) = 24. Find an upper bound for the approximation in part (b).
5. Write down the error term E3(x) for cubic Lagrange interpolation to f(x), where interpolation is to be exact at the four nodes xo = -1, x1 = 0, x2 = 3, and x3 = 4 and f(x) is given by (a) f(x) = 4x3 -- 3x + 2 (b) f(x)= x4 - 2x3 (c) f(x) = x3 – 5x4
5001 1 +- +-- 400 300 1200 100 -0 0.5 -100 Graph of rs 3. Let f and g be given by f(x)- xe and g(x)-(). The graph of f, the fifth derivatve of f is shown above for (a) write the first four nonzero terms and the general term of the Taylor series for e, about x = 0 . Write the first four nonzero terms and the general term of the Taylor series for f about x 0....
2. Compute the linear Taylor polynomial for the function exp (x + x4 f (x) at a = 0 and give a reasonable estimate for the error for l 0.01. 2. Compute the linear Taylor polynomial for the function exp (x + x4 f (x) at a = 0 and give a reasonable estimate for the error for l 0.01.
2019-Numerical Analysis- Quiz-2 1. Let f()-( (a) Use quadratic Lagrange interpolation based on the nodes xo 1, x 2, (given e 2.7183, e 7.3891, e 12.1825) f(1.2). a and x 2.5 to approximate f (1.5) and (b) Use cubic Lagrange interpolation based on the nodes xo=0.5, x1 =1, x2 = 2 and x, = 2.5 to approximate f(1.5) and f(12) 2019-Numerical Analysis- Quiz-2 1. Let f()-( (a) Use quadratic Lagrange interpolation based on the nodes xo 1, x 2, (given...
Find the second Taylor polynomial P2(x) for the function f(x) = ex cos x about xo = 0. Using 4-digit rounding arithmatic. (a). Use P2(0.7) to approximate f(0.7). (b). Find the actual error. (c). Find a bound for the error |f(x) – P2(x) in using P2(x) to approximate f(x) on the interval [0, 1].