onlineregression12c:   One-predictor-variable nonlinear regression (max input 3000 characters)    ⇒   rating curve   Q = f(H) Formulas Q= aHb         log(Q)= log(a) + b[log(H)] u= log(H)        v= log(Q)         v= log(a) + bu v= α + βu         log(a)= α        b= β        a= 10α β= [Σ(uv)-(ΣuΣv)/n]/{Σ(u2)-[(Σu)2/n]} α= [Σv-(βΣu)]/n        Q = 10αHβ Reference Ponce, V. M. 1989. Engineering Hydrology, Principles and Practices. Prentice Hall, page 240. Example INPUT DATA: Enter array size n:      Enter paired values of arrays y and x (separate each value with a comma; maximum string length is 3000 characters). Q:      H:      ECHO OF INPUT: n =   Q(1) =  .    H(1) =  .    OUTPUT: a =            b =            Q = H   Your request was processed at  03:45:35 am on March 11th, 2026   [ 260311  03:45:35 ]. Thank you for running onlineregression12c.   Please call again.   [201004]