First Order Partial Differential Equations, Part - 1 ...

Symbols for various domains used In this lecture we denote by Da domain in R2 where a solution is de ned, by D 1 a domain in R2 where the coe cients of a linear equation are de ned and by D 2 is a domain in(x;y;u)-space i.e., R3 nally by D 3 a domain in R5 where the function F of ve independent variables is de ned.

  Linear, Part, Order, Differential, Equations, Partial, Order partial differential equations