area under curve, Computer Engineering

Write a 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. The area under a curve betw

 

#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: 9/2/2012 3:29:40 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
What are the stages of data mining? The procedure of data mining comprises three stages, which are given below: a) The initial exploration b) Model building c) Deploym

Why is C standard library needed?  C Standard Library: C would have been a tough programming language in absence of the standard library. The standard library in C contains

what is homogeneous coordinate system

Resource Dependence The parallelism among the instructions may also be affected because of  the shared resources. If two instructions are using the related shared resource t


Write a program to check whether a given word is a palindrome or not? # include # include void main() { char word[10]; int length=0,mid,count=0; clrscr();

Explain the Sum of Product Form? In The Boolean Algebra a product is produced by "ANDing" two or more variable inputs. Product of the two variables is expressed as AB and three

Write the truth table for a clocked J-K flip-flop that is triggered by the positive-going edge of the clock signal. Explain the operation of this flip-flop for the following condit

What are the different phases of consumer mercantile model? There are three different phase of consumer mercantile model like listed as in below: • Pre-purchase interaction

A* Search - artificial intelligence: A* search in the combines is the best parts of uniform cost search, namely the fact that it's optimal and complete, and the other best par