Can anyone help to prove or disprove the following result?

Let f(t_1,t_2,..t_n) = (f_1(t_1,..,t_n),...,f_N(t_1,...,t_n) a mapping from R^n to R^Nsuch that any f_i(t_1,..,t_n) , 1

08 August 2014 8,045 2 View