find general solution of:

u_x + x u_y + xy u_z = xyzu

i've tried with this

dx=dy/(x)=dz/(xy)=du/(xyzu) ...but didn't get the correct solution

i appreciate any help...thanks

Printable View

- January 12th 2010, 03:54 AMtom007partial differential equations
find general solution of:

u_x + x u_y + xy u_z = xyzu

i've tried with this

dx=dy/(x)=dz/(xy)=du/(xyzu) ...but didn't get the correct solution

i appreciate any help...thanks - January 12th 2010, 07:35 AMJester
- January 12th 2010, 07:55 AMtom007
i don't know how to solve this..i thought F should have 3 components.. i got many different results...

could u pls write the steps, if it's not the problem..

thank you very much Danny! - January 12th 2010, 08:09 AMJester
- January 12th 2010, 08:55 AMtom007
wow..that's so simple, i was complicating ..better not to say!!

thanks Danny!! (Sun)

do u maybe know other 2 exercise i've posted? - January 12th 2010, 09:07 AMtom007
ey Danny...how could i check this result?

is there any formula? - January 12th 2010, 09:39 AMJester
- January 13th 2010, 11:31 AMtom007
i know that...but how should i substitute F function?