Professor Hawking used an input device controlled by his cheek movements to choose the words he wanted to use. A special output device turned those words into electronic speech that people could hear.
In state representation, the derivative of each state variable can be written as a linear combination of system states and inputs i.e., Similarly, the output variables can be written as a linear ...
This paper documents the procedures of constructing China's input-output tables (IOTs) and supply-use tables (SUTs ... converting 1981 material product system (MPS)-type IOT to the system of national ...