SIAM Journal on Applied Mathematics, Vol. 57, No. 4 (Aug., 1997), pp. 893-928 (36 pages) The two-dimensional (2-D) steady Euler equations for supersonic flow in Cartesian coordinates (x, y) is ...
A coordinate system is a set of numbers that allows you to specify the location of a point in some space. The Cartesian coordinates is one such system, which uses a set of three numbers to specify the ...