| | \n\n \n \n \n int niter=100 | \tnumber of iterations \n | \n \n\n \n \n \n file prm= | \tauxiliary output file name \n | \n \n\n \n \n \n bool verb=n [y/n] | \tverbosity flag \n | \n \n\n \n \n \n float x10=6. | \tinitial nonlinear parameter x1 value \n | \n \n\n \n \n \n float x20=-0.5 | \tinitial nonlinear parameter x2 value \n | \n \n\n \n \n \n float x30=200. | \tinitial nonlinear parameter x3 value \n | \n \n |