that returns a function: the derivative of a function f. Assuming that f is a single- variable mathematical function, its derivative will also be a single-variable function. When called with a number a, the derivative will estimate the slope of f at point (a, f(a)). Recall that the formula for finding the derivative of f at point a is: where h approaches 0. We will approximate the derivative by choosing a very small value for h. The closer h is to 0, the better the estimate of the derivative will be. def make_derivative (f): """Returns a function that approximates the derivative of f. >>> def square (x): f'(a) = lim h→0 Recall that f'(a) = (f(a+h)-f(a))/h as h approaches 0. We will approximate the derivative by choosing a very small value for h. ... ... f(a+h)-f(a) h #equivalent to: square = lambda x: X*X return x*x >>> derivative = make_derivative (square) >>> result = derivative (3) >>> round (result, 3) # approximately 2*3 6.0 Hu h=0.00001
that returns a function: the derivative of a function f. Assuming that f is a single- variable mathematical function, its derivative will also be a single-variable function. When called with a number a, the derivative will estimate the slope of f at point (a, f(a)). Recall that the formula for finding the derivative of f at point a is: where h approaches 0. We will approximate the derivative by choosing a very small value for h. The closer h is to 0, the better the estimate of the derivative will be. def make_derivative (f): """Returns a function that approximates the derivative of f. >>> def square (x): f'(a) = lim h→0 Recall that f'(a) = (f(a+h)-f(a))/h as h approaches 0. We will approximate the derivative by choosing a very small value for h. ... ... f(a+h)-f(a) h #equivalent to: square = lambda x: X*X return x*x >>> derivative = make_derivative (square) >>> result = derivative (3) >>> round (result, 3) # approximately 2*3 6.0 Hu h=0.00001
C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter13: Overloading And Templates
Section: Chapter Questions
Problem 30SA
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