function [ x, w ] = nco_rule ( n ) %*****************************************************************************80 % %% NCO_RULE computes the Newton Cotes Open rule. % % Discussion: % % Newton Cotes Open rule on [-1,+1]; % % Licensing: % % This code is distributed under the GNU LGPL license. % % Modified: % % 02 February 2011 % % Author: % % John Burkardt % % Parameters: % % Input, integer N, the order of the rule. % % Output, real X(N), W(N), the points and weights. % x = ( 1 : n )' / ( n + 1 ); % % Rescale to [-1,+1]; % x = 2.0 * x - 1.0; % % Compute the weights. % x_min = -1.0; x_max = 1.0; w = nc_compute ( n, x_min, x_max, x ); return end