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Q13/Q14: Solution of Second Order ODEs Using Variation of Parameters (ft.…
Q13/Q14: Solution of Second Order ODEs Using Variation of Parameters (ft. Undetermined Coefficients)
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Variation of Parameters
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The coefficients a, b and c can be variable
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This allows, for instance, the description of waves as their oscillation coefficients change
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However, it is required to know the null solutions beforehand
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