Question

Y =exp{ A + C * exp {- exp [- B *(X - M)]}} 变形为X=?

Answer 1

lnY = A + C * exp {- exp [- B *(X - M)]}

(lnY - A )/C= exp {- exp [- B *(X - M)]}

ln[(lnY - A )/C] =- exp [- B *(X - M)]

-ln{-ln[(lnY - A )/C]} /B=X - M

X=M-ln{-ln[(lnY - A )/C]} /B