Let f be some continuous function on an open interval I containing x0, x1 and x2, where xo < x1 < x2. Suppose that (xo, yo), (x1, Y1) and (r2, y2) are points on the curve y =f(x). Let a E (x, x1) and P(x) the polynomial interpolating to f at Xi, i = 0,1, 2. a) The degree of P(x) can be at most

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Let f be some continuous
function on
an open
interval I containing
x0, x1 and x2, where
xo < x1 < x2. Suppose
that
(xo, yo), (x1, Y1) and (x2, y2)
are points on the curve
y =f(x).
Let a E (x, x1) and P(x)
the polynomial
interpolating to f at
Xi, i = 0,1, 2.
a) The degree of P(x) can
be at most
Transcribed Image Text:Let f be some continuous function on an open interval I containing x0, x1 and x2, where xo < x1 < x2. Suppose that (xo, yo), (x1, Y1) and (x2, y2) are points on the curve y =f(x). Let a E (x, x1) and P(x) the polynomial interpolating to f at Xi, i = 0,1, 2. a) The degree of P(x) can be at most
a) The degree of P(x) can
be at most
b) If f(a) = 1.101, while
P(a) =1.109, then
i) the absolute error
in approximating f(a) by
P(a) is
ii) to how many
significant digits does
P(a) approximate f(a ) ?
Transcribed Image Text:a) The degree of P(x) can be at most b) If f(a) = 1.101, while P(a) =1.109, then i) the absolute error in approximating f(a) by P(a) is ii) to how many significant digits does P(a) approximate f(a ) ?
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