Let (xi , f(xi)), i = 0, . . . , 3, be data points, where xi = i + 2, for i = 0, . . . , 3. Given the divided differences f[x0] = 1, f[x0, x1] = 2, f[x0, x1, x2] = −7, f[x0, x1, x2, x3] = 9, add the data point (0, 3), find a Newton form for the Lagrange polynomial interpolating all 5 data points.
Let (xi , f(xi)), i = 0, . . . , 3, be data points, where xi = i + 2, for i = 0, . . . , 3. Given the divided difference...
3. (30 points) Let f(x) = 1/x and data points Zo = 2, x,-3 and x2 = 4. Note that you can use the abscissae to find the corresponding ordinates (a) (8 points) Find by hand the Lagrange form, the standard form, and the Newton form of the interpolating polynomial p2(x) of f(x) at the given points. State which is which! Then, expand out the Newton and Lagrange form to verify that they agree with the standard form of p2...
Problem 2. Given the data points (xi. yi), with xi 2 02 4 yil 5 1 1.25 find the following interpolating polynomials, and use MATLAB to graph both the interpolating polynomials and the data points: a) The piecewise linear Lagrange interpolating polynomialx) b) The piecewise quadratic Lagrange interpolating polynomial q(x) c) Newton's divided difference interpolation pa(x) of degree s 4 Problem 2. Given the data points (xi. yi), with xi 2 02 4 yil 5 1 1.25 find the following...
For an nth-order Newton's divided difference interpolating polynomial fn(x), the error of interpolation can be estimated by Rn-| g(xmPX, , xm» ,&J . (x-x-Xx-x.) . . . (x-x.) | , where (xo, f(xo)), (xi, fx)).., (Xn-1, f(xn-1) are data points; g[x-,x,,x-.., x,] is the (n+1)-th finite divided difference. To minimize Rn, if there are more than n+1 data points available for calculating fn(x) using the nth-order Newton's interpolating polynomial, n+1 data points (Xo, f(xo)), (x1, f(x)), , (in, f(%)) should...
Compute, using divided differences, the value of the piecewise cubic Her- mite interpolating polynomial at x = 11=10 given nodes at xi = i, for i = 1; : : : ; 10, and values and derivatives at the nodes from the function f(x) = 1=x. Remember iterative formula for divided differences: 2. (25 pts) Compute, using divided differences, the value of the piecewise cubic Her mite interpolating polynomial at x-11/10 given nodes at ai-i, for i-1, , 10. and...
12. Given the data set: We want to find the interpolating polynomial of degree 2 through these points. a) Write the interpolating polynomial in Lagrange form b) Write the interpolating polynomial in Newton form.
1. (25 pts) Given the following start for a Matlab function: function [answer] = NewtonForm(m,x,y,z) that inputs • number of data points m; • vectors x and y, both with m components, holding x- and y-coordinates, respectively, of data points; • location z; and uses divided difference tables and Newton form to output the value of the Lagrange polynomial, interpolating the data points, at z. 1. (25 pts) Given the following start for a Matlab function: function [answer] NewtonForm(m.x.yz) that...
Please solve problem 7 not 5. however you need data from problem 5 to slove problem 7 Hide email Problem 5 (10 points): For the data below, perform Newton Divided Difference interpolation of fC7.5 C) using first through third order interpolating polynomial:s for f viscosity of water 1000 in metric (MKS) units. Choose thexi interpolation points to provide the most accurate interpolation (points should most closely surround x = 7.5 C). 040 y i 1.781 | İ .568 | 1...
Complete the Divided difference table and construct the interpolating polynomial that uses the data given in column 2 and column 3. f [x j-1, xi] f [x 1-2, X j-1, x ] f [x i-. ......, xi] f [x 14......., xi] i xi f[xi] 01.00.7751866 | 1 | 1.20.5900775 21.70.4534024 31. 90.2829184 4 2.3 0.1204522
Find the difference table and the quartic Newton polynomial when 4 of the points Xi = X0, l = 0, l , 2, 3 .X4メ, coincide. Find the difference table and the quartic Newton polynomial when 4 of the points Xi = X0, l = 0, l , 2, 3 .X4メ, coincide.
er Lagrange ,Divided difference and Hermitewatnejed, Jnp 1.5, and x2-2, andf (x)ssin(x) * Given the point sx.-1, a) Find its Lagrange interpolation P on these points b) Write its newton's divided difference P, polynomial c)Write Hermite Hs by Using part a outcomes d) Write Hermite Hi by Using part b outcomes Rules: Lagrange form of Hermite polynomial of degre at most 2n-+1 Here, L., (r) denotes the Lagrange coefficient polynomial of degree n. If ec la.bl, then the error formula...