Chapter 2 Heat Conduction Equation2-116C A linear homogeneous differential equation of order nis expressed in the most general form as yf xyfxynn()()+++′+=−−1110LEach term in a linear homogeneous equation contains the dependent variable or one of its derivatives after the equation is cleared of any common factors. The equation is linear and homogeneous since each term is linear in y, and contains the dependent variable or one of its derivatives. ′′−=yxy42002-117C A differential equation is said to have constant coefficientsif the coefficients of all the terms which involve the dependent variable or its derivatives are constants. If, after cleared of any common factors, any of the terms with the dependent variable or its derivatives involve the independent variable as a coefficient, that equation is said to have variable coefficientsThe equation has variable coefficients whereas the equation y42′′ −=yy40has constant coefficients.
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This note was uploaded on 01/14/2012 for the course PHY 4803 taught by Professor Dr.danielarenas during the Fall '10 term at UNF.