function fx = p01_fx ( n, x )

%*****************************************************************************80
%
%% p01_fx() evaluates the function for problem 1.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    10 October 2020
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    integer N, the number of variables and equations.
%
%    real X(N), the evaluation point.
%
%  Output:
%
%    real FX(N), the function value.
%
  fx = zeros ( n, 1 );

  fx(1) = 1.0 - x(1);
  fx(2:n) = 10.0 * ( x(2:n) - x(1:n-1) .* x(1:n-1) );

  return
end

