Differences between revisions 1 and 3 (spanning 2 versions)
⇤ ← Revision 1 as of 2010-08-09 14:09:43 →
Size: 452
Editor: SWATI AHUJA
Comment:
← Revision 3 as of 2010-08-11 10:56:01 → ⇥
Size: 538
Editor: SWATI AHUJA
Comment:
Deletions are marked like this. Additions are marked like this.
Line 8: Line 8:
var('t')
var('a')
var('b')
var('k')		 t=var('t') # t represents the time
a,b,k=var('a b k')
Line 13: Line 11:
print desolve(diff(y,t)-a + b*cos(2*pi*t/24)+k*y,[y,t]) a=1;b=1;k=1
diffeq=diff(y,t)-a+b*cos(2*pi*t/24)+k*y
sol=desolve(diffeq,[y,t],ics=(0,2))
sol
plot(sol,(t,0,20))
Line 20: Line 22:
Kesarwani Aashita Chandrashekhar, Student, IIT Roorkee
Praveen Kumar, Student, IIT Roorkee		    * Kesarwani Aashita Chandrashekhar, Student, IIT Roorkee
   * Praveen Kumar, Student, IIT Roorkee.

  • Book

    Advanced Engineering Mathematics

    Author

    Erwin Kreyszig

    Edition

    8th Edition 

t=var('t') # t represents the time
a,b,k=var('a b k')
y=function('y',t)
a=1;b=1;k=1
diffeq=diff(y,t)-a+b*cos(2*pi*t/24)+k*y
sol=desolve(diffeq,[y,t],ics=(0,2))
sol
plot(sol,(t,0,20))

  • Solution by:

    • Swati Ahuja, Student, IIT Roorkee
    • Kesarwani Aashita Chandrashekhar, Student, IIT Roorkee
    • Praveen Kumar, Student, IIT Roorkee.

SageDays/Kreyszig-1.6-40 (last edited 2010-08-12 10:31:37 by Aashita)