THE GENERAL APPROACH CAN
BE SIMPLIFIED IN SOME SPECIAL CASES WHEN THE FORM
OF THE SOLUTION CAN BE
KNOWN BEFOREHAND.
THE ANALYSIS IN THESE
CASES BECOMES A SIMPLE MATTER OF DETERMINING SOME
PARAMETERS.
TWO SUCH CASES WILL BE
DISCUSSED IN DETAIL FOR THE CASE OF CONSTANT SOURCES.
ONE THAT ASSUMES THE
AVAILABILITY OF THE DIFFERENTIAL EQUATION AND A SECOND
THAT IS ENTIRELY BASED
ON ELEMENTARY CIRCUIT ANALYSIS… BUT IT IS NORMALLY LONGER