explain how the following function works step by step Function: computeFa Parameters: a - Dimension a of the scrapper num steps number of steps for determining h Description: Computes the value of TA(a) for the dimension ac by applying the Trapezoidal rule for integrating f(x) from a to ta double computeFa (double a, int num_steps) int i=0; double integral = 0; double interval = (a+a)/num steps: double XL = -a; // left hand side of trapezoid double XR = -a interval; // right hand side of trapezoid while (i

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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explain how the following function works step by step
Function: computeFa

Parameters:

a - Dimension a of the scrapper

num steps number of steps for determining h

Description: Computes the value of TA(a) for the dimension ac by applying the Trapezoidal rule for integrating

f(x) from a to ta

double computeFa (double a, int num_steps)

int i=0;

double integral = 0;

double interval = (a+a)/num steps:

double XL = -a; // left hand side of trapezoid

double XR = -a interval; // right hand side of trapezoid

while (i<num_steps)

integral = integral + ((pow (a, 2) - pow((-XL), 2)) pow (M_E, -((XL) /a)) + (pow (a, 2) pow((-XL), 2)) pow (M_E, -((XL)/a))) interval/2;

XL = XR;

XR = XR + interval;

return (integral); 

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