COMPUTINGMATHSAPPROXIMATIONCALCULUSCOMBINATORICSDATA FITTINGDISCRETENUMBER THEORYRECURRENCELINEARINHOMOGENEOUSFirst OrderGEOMETRYNOTATIONSOPTIMIZATIONROOTFINDINGSPECIALSTATISTICSENGINEERINGFINANCEUNITSSTRINGSPHYSICS Maths › Discrete › Recurrence › Linear › Inhomogeneous First OrderSolves the linear inhomogeneous recurrence relationdouble first_order (double u0, double a, double b, int n)