- C++
#include#include #include float a,c,b,F_a,F_c,F_b,E; int max; float f(float x) { return (x*x*x*x*x)-x-1; } void main() { int it; char selang; float epsilon; printf("Batas bawah = "); scanf("%f",&a); printf("Batas atas = "); scanf("%f",&b); printf("Toleransi Error = "); scanf("%f",&E); printf("Iterasi maksimum = "); scanf("%d",&max); it = 0; F_a = f(a); F_b = f(b); if(F_a * F_b > 0) printf("Nilai F(a) x F(b) > 0\n"); else { printf("--------------------------------------------------------------------------\n"); printf(" r a b c f(a) f(b) f(c) selang lebarnya \n"); printf("--------------------------------------------------------------------------\n"); do { it = it + 1; c = (a + b) / 2; F_c = f(c); if(F_a * F_c <= 0) { selang ='A'; } else {selang ='B'; } printf("%2d %8.5f %8.5f %8.5f %8.5f %8.5f %8.5f C%c %8.5f \n", it,a,b,c,F_a,F_b,F_c,selang,fabs(a-c)); epsilon = fabs(a-c); if(F_a * F_c <= 0) { b = c; F_b = F_c; } else { a = c; F_a = F_c; } } while(it <= max && epsilon > E); if(it <= max) { printf("\n Hampiran (pendekatan) nilai x = %g\n",c); printf(" pada iterasi ke-%d",it); } else printf("Toleransi tidak terpenuhi, Jumlah Iterasi kurang\n"); } getch(); }
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tank mas bro
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