Simulink MultiArray message generation to ROS. Follow 19 views (last 30 days) Show older comments. Elod on 6 Apr 2016. Vote. 1. ⋮ . Vote. 1. Edited: Elod on 29 Apr 2016 How can I create a publisher that in simulink that sends an array of floats? I should use the BlankMSG block with msg type: std_msgs/Float32MultiArray, a Publish block with the same msg type and.