sipah00

#include "ros/ros.h"
#include "std_msgs/String.h"
void chatterCallback(const std_msgs::String::ConstPtr& msg){
  ROS_INFO("I heard: [%s]", msg->data.c_str());
}
int main(int argc, char **argv){
  ros::init(argc, argv, "listener");
ros::NodeHandle n;
ros::Subscriber sub = n.subscribe("chatter", 1000, chatterCallback);
ros::spin();

sipah00

cmake_minimum_required(VERSION 2.8.3)
project(talker_listener)

## Find catkin and any catkin packages
find_package(catkin REQUIRED COMPONENTS roscpp rospy std_msgs genmsg)

## Generate added messages and services
generate_messages(DEPENDENCIES std_msgs)

## Declare a catkin package

sipah00

(order, t) = (3, 7.898646981472869)
(errm2, errm1, errp1) = (0.0066714465394643345, 7.06413721038784e-10, 1.2156273602575786e-5)

(order, t) = (3, 7.898648125152829)
(errm2, errm1, errp1) = (0.6671411861345267, 7.064027444712867e-7, 4.431278245404084e-8)

(order, t) = (3, 7.898659561952434)
(errm2, errm1, errp1) = (66.71065078138368, 0.0007063256623599753, 3.0691013381677468e-6)

(order, t) = (3, 7.898773929948488)