area under curve , C/C++ Programming

c-program to find the area under the curve y=f(x) between x=a and x=b integrate y=f(x) between the limits of a and b

 

#include 
float
    start_point,            /* GLOBAL VARIABLES */

end_point, total_area; int numtraps; main( ) { void input(void ); float find_area(float a,float b,int n); /* prototype */
print(“AREA UNDER A CURVE”); input( ); total_area = find_area(start_point, end_point, numtraps); printf(“TOTAL AREA = %f”, total_area); } void input(void ) { printf(“\n Enter lower limit:”); scanf(“%f”, &start_point); printf(“Enter upper limit:”); scanf(“%f”, &end_point); printf(“Enter number of trapezoids:”); scanf(“%d”, &numtraps); } float find_area(float a, float b, int n) { float base , lower, h1, h2; /* LOCAL VARIABLES */
float function_x(float x); /* prototype */
float trap_area(float h1,float h2,float base );/*prototype*/
base = (b-1)/n; lower = a; for (lower =a; lower <= b-base ; lower = lower + base ) { h1 = function_x(lower); h1 = function_x(lower + base ); total_area += trap_area(h1, h2, base ); } return (total_area); float trap_area(float height_1,float height_2,float base ) { float area; /* LOCAL VARIABLE */
area = 0.5 * (height_1 + height_2) * base ; return (area); } float function_x(float x) { /* F(X) = X * X + 1 */
return (x*x + 1); } Output AREA UNDER A CURVE Enter lower limit: 0 Enter upper limit: 3 Enter number of trapezoids: 30 TOTAL AREA = 12.005000 AREA UNDER A CURVE Enter lower limit: 0 Enter upper limit: 3 Enter number of trapezoids: 100 TOTAL AREA = 12.000438

Posted Date: 9/1/2012 1:18:48 AM | Location : United States







Related Discussions:- area under curve , Assignment Help, Ask Question on area under curve , Get Answer, Expert's Help, area under curve Discussions

Write discussion on area under curve
Your posts are moderated
Related Questions

6999066263304447777077766622337778 -----> message sent by the first smuggler. my name is robert---------> message decoded by the second smuggler. Where ‘0’ denotes the "space".

I need a project on car rental system using c programming only of college level

Sine function computation

Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec

A palindrome is a string that reads the same from the both the ends. Given a string S convert it to a palindrome by doing character replacement. Your takes is to convert S to palin

Goals For this assignment you will write programs in C and LC-3 assembly code. Both programs will perform the identical recursive algorithm. The goals of this programming assignmen


want to understand the working of structure and classes

Exceptions. Your SVector class should throw four exceptions: 3.1. If the constructor size is invalid, then it will just allow the implicit STL bad_alloc exception to pass up to mai