Hi, lxn. The 1st expression can be reduced to this form
the 2nd expression can be reduced to -log(a/y+b/x+c/(xy)), equivalently, -log(a/y+b/x+c/(e^z)) and z<=logx+logy, which can be further addressed by
Hi, lxn. The 1st expression can be reduced to this form
the 2nd expression can be reduced to -log(a/y+b/x+c/(xy)), equivalently, -log(a/y+b/x+c/(e^z)) and z<=logx+logy, which can be further addressed by