Advanced Engineering Mathematics
Differential Equation for u(x, y) 964 18.7 Boundary Conditions and Initial Conditions 975 18.8 Waves and the One-Dimensional Wave Equation 978 18.9 The D’Alembert Solution of the Wave Equation and Applications 981 18.10 Separation of Variables 988 18.11 Some General Results for the Heat and Laplace Equation 1025
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