Laws of general solutions of mathematical physics equations

In this paper, the general solutions of five important mathematical physics equations are obtained for the first time, using the Z transformations that we have previously proposed. These five equations are Poisson equation, wave equation, Helmholtz equation, heat equation and Schrödinger equation. According to the general solutions, we also obtain exact solutions of these equations with general significance for the definite solution problems. These new findings not only deepen our understanding of the general solutions of mathematical physics equations, but will also have a positive impact on the development of thermodynamics, optics, acoustics, electrodynamics, statistical mechanics, quantum mechanics and other disciplines.