검색어 입력폼

인하대학교/기계공학/수치해석/주현철교수님/Homework3

저작시기 2014.05 |등록일 2014.07.30 파일확장자압축파일 (zip) | 가격 1,500원

소개글

코드


Q1

// Golden section =======================================================================

#include
#include

#define PI 3.1*************323846264 // 원주율 정의

long double fun ( long double k) // 주어진 the trajectory of a ball의 주어진 거리에 대한 height식을 fun 함수로 설정

{
long double o = 50 ; // 초기 주어진 값들 설정
long double g = 9.81 ;
long double v = 25 ;
long double y = 1 ;

long double fun = tan( o * PI / 180 ) * k - g / ( pow ( v , 2 ) * sqrt( cos( o * PI / 180 ) ) ) * pow(k,2) + y ; // 문제에서 주어진 식

return fun ; // fun 함수로 반환

}


void main()
{
FILE *fp=fopen("data.txt", "w" );

int iter = 1 ;
long double R = ( sqrt(5.0) - 1 ) /2 ; // golden ratio값

long double xl = 0; // 초기 lower value
long double xu = 60; // 초기 upper value
long double d = R * ( xu - xl ) ; //golden ratio를 이용한 d 값

long double xopt ;

printf(" iter\t ea\t \tapproximate \n");
fprintf( fp , " iter\t ea\t \tapproximate \n");
printf("──────────────────\n");

컴파일 실행환경

Visual studio2010

압축파일 내 파일목록

수치해석3-2.xlsx
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homework3-3-4/Debug/homework3-3-4.pdb
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