Book
Advanced Engineering Mathematics
Author
Erwin Kreyszig
Edition
8th Edition
x = var('x') y=function('y',x) DE = 8*diff(y,x,2)-6*diff(y,x)+y-6*cosh(x) print "GS:", desolve(DE, [y,x]) #check for particular solution yp = exp(-x)/5 + exp(x) V = 8*diff(yp,x,2)-6*diff(yp,x)+y-6*cosh(x) if V == 0: print "yp = ", yp, "is a particular solution" else: print "yp = ", yp, "is not a particular solution"
Solution by:
- Zubin Mehta, Student, IIT Bombay