Book
Advanced Engineering Mathematics
Author
Erwin Kreyszig
Edition
8th Edition
x = var('x') y=function('y',x) DE = diff(y,x,2)+3*diff(y,x)-4*y-8*cos(2*x)-6*sin(2*x) print "GS:", desolve(DE, [y,x]) #check for particular solution yp = -cos(2*x) V = diff(yp,x,2)+3*diff(yp,x)-4*yp-8*cos(2*x)-6*sin(2*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