function fx = p06_fun ( n, x ) %*****************************************************************************80 % %% P06_FUN evaluates the integrand for problem 6. % % Interval: % % -1 <= x <= 1 % % Integrand: % % sqrt ( abs ( x + 0.5 ) ) % % Exact Integral: % % ( sqrt ( 2 ) + 3 * sqrt ( 6 ) ) / 6 = 1.460447131787105 % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 03 November 2009 % % Author: % % John Burkardt % % Reference: % % Charles Clenshaw, Alan Curtis, % A Method for Numerical Integration on an Automatic Computer, % Numerische Mathematik, % Volume 2, Number 1, December 1960, pages 197-205. % % Parameters: % % Input, integer N, the number of evaluation points. % % Input, real X(N), the evaluation points. % % Output, real FX(N), the integrand values. % fx = sqrt ( abs ( x + 0.5 ) ); return end