python3 <<'PY' import math a=0.25; b=1.0/12 def Aval(y1,y2,q,r): alpha=2*a+2*b-y1-y2; mu1=a+b-y1; nu1=a+b; q2=alpha-q if q<=0 or q2<=0: return -1 lo=max(0.0,q-(alpha-mu1)); hi=min(q,mu1) if rhi+1e-12: return -1 den=r*q2/q-(mu1-r) if abs(den)<1e-14: return -1 c=(a*q2-(mu1-r)*nu1)/den if c<-1e-10 or c>q+1e-10 or c>nu1+1e-10 or nu1-c>q2+1e-10: return -1 r2=mu1-r; c2=nu1-c return (math.sqrt(max(0,a*r*c))+math.sqrt(max(0,b*r*(q-c)))+math.sqrt(max(0,b*(q-r)*c))+math.sqrt(max(0,a*(q-r)*(q-c)))+math.sqrt(max(0,a*r2*c2))+math.sqrt(max(0,b*r2*(q2-c2)))+math.sqrt(max(0,b*(q2-r2)*c2))+math.sqrt(max(0,a*(q2-r2)*(q2-c2)))) def best2(y1,y2,N=500): alpha=2*a+2*b-y1-y2; mu1=a+b-y1; mu2=alpha-mu1 best=-1; arg=None for iq in range(1,N): q=alpha*iq/N lo=max(0.0,q-mu2); hi=min(q,mu1) for ir in range(N+1): r=lo+(hi-lo)*ir/N v=Aval(y1,y2,q,r) if v>best: best=v; arg=(q,r) return best,arg def total(y1,y2,A): y3=a; gam=y1+y2+y3 C=math.sqrt(gam)*(math.sqrt(b*y1)+math.sqrt(a*y2)+math.sqrt(a*y3)) return A+b**1.5+C for y1,y2 in [(b,0.0),(b,0.1),(b,0.2),(0.0,0.0),(0.0,a),(b,a),(0.04,0.0)]: A,arg=best2(y1,y2,300) print(y1,y2,"A",A,"tot",total(y1,y2,A),"arg",arg) PY