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  1. ...小數點以下幾位的誤差可以接受,要更高的準確度就用更小的 EPSILON if( fabs (a - 1.4) < EPS ) { // 誤差夠小了,可以當成是相等… ... }

  2. ...operator()(int i,int j) { int k,first_pos,first_num; k=(int)max( fabs (i-mid), fabs (j-mid)); first_pos=(int)(mid-(double)k); ...

  3. ..._MAX+1); rn = ln(x, n); r0 = ln0(x, n); rm = log(x+1); if ( fabs (r0-rm) < fabs (rn-rm)) printf("ln(1%+f) = (norm) %.16f\...

  4. ...=a; if(a<Min); Min=a; //*************** b=b+ fabs (a); c=c+pow(a,2); n++; infile>>a; } Ra=b/n; Rq=sqrt(c/n); cout...

  5. ..."); } float fcos(float x) { float s = 1, p = 1, i = 1; while( fabs (p)>0.00001) { // p = x^(2n) / 2n! * (-1)^n p = pow(x, i*2) / factorial(i*2) * pow...

  6. C語言關於絕對值的函數有: abs(), labs(), llabs()(在 C99 中), fabs ()、fabsf() 與 fabsl() 函數計算一個對象的絕對值。 請詳閱參考資料

  7. ...pi = 4 * pi1; return pi; } int main() { int j=0,k=0; cin>>j; while( fabs (MyPi(k+1)-MyPi(k)) >= (pow(10,-j)) ) { k...

  8. ...3.74; while(1){ middle=(left+right)/2; temp=middle*(middle+2.3); if( fabs (temp-y)<error) break; else if(temp>y) right=middle; else left...

  9. ...為迭代前之解 x2 = x1 - f(x1)/fd(x1); // x2 = x1 - f(x1)/f'(x1) eps = fabs (x1-x2); // 誤差為| (迭代後之解- 迭代前之解) | }while(eps >= 1E...

  10. ...for(i=0;i<Array_Size;i++) { Sum += fabs (Array[i]-XBar); } return STD=(Sum / Array...