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% robot objects can be multiplied r1*r2 which is mechanically equivalent
% to mounting robot r2 on the end of robot r1.
%
% Ryan Steindl based on Robotics Toolbox for MATLAB (v6 and v9)
%
% Copyright (C) 1993-2011, by Peter I. Corke
%
% This file is part of The Robotics Toolbox for MATLAB (RTB).
%
% RTB is free software: you can redistribute it and/or modify
% it under the terms of the GNU Lesser General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% RTB is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU Lesser General Public License for more details.
%
% You should have received a copy of the GNU Leser General Public License
% along with RTB. If not, see <http://www.gnu.org/licenses/>.
%
% http://www.petercorke.com
function r2 = mtimes(r, l)
%SerialLink.mtimes Join robots
%
% R = R1 * R2 is a robot object that is equivalent to mounting robot R2
% on the end of robot R1.
if isa(l, 'SerialLink')
r2 = SerialLink(r);
x = r2.links;
for i = 1:length(x)
new_links(i) = Link(x(i));
end
y = l.links;
for i = 1:length(y)
new_links(i + length(x)) = Link(y(i));
end
r2.links = new_links;
r2.base = r.base;
r2.n = length(r2.links);
elseif isa(l, 'Link')
r2 = SerialLink(r);
x = r2.links;
for i = 1:length(x)
new_links(i) = Link(x(i));
end
for i = 1:length(l)
new_links(i + length(x)) = Link(l(i));
end
r2.links = new_links;
r2.n = length(r2.links);
end
end