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how to solve non homogeneous equation. The general solution of the homogeneous problem x 0 is hx c 1x c. X y 2z 0 2x 3y z 0 3x 7 y 10z 0 6x 9 y 10z 0.
Y c c 1e r1x c 2e r2x c 1e x. Namely we know that the general solution is the sum of the general solution of the homogenous problem h and any particular solution 00 p. The last equation 0 0 is meaningful.
I We rst nd the solution of the complementary corresponding homogeneous equation y00 3y0 2y 0.
You have probably done that before and recognize that the solutions can be written as a Fourier series in t. So the solution is x 1 y 4 z 4. X X l so X l X and T T l so X l X for constants l. Those are called homogeneous linear differential equations but they mean something actually quite different.