If the same system is expressed as the following general-form equation, then this equation is used unchanged. EQ.y = y - a + b*x; This makes it easy to solve for ...
In It Must Be Beautiful: Great Equations of Modern Science, Graham Farmelo assembled and edited essays on 11 great equations of the 20th century. Six are from physics: E = hf, E = mc 2, Einstein’s ...
Data for this example are generated. General-form equations are estimated and forecast using PROC MODEL. The system is a basic supply-demand model. Portions of the output from the following code is ...