Circuits II, can someone check my equations ? Phasor Mesh Analysis

[thecake]

EDIT I mean nodal, not mesh analysis xD

http://img205.imageshack.us/img205/5931/omgt.jpg

http://img694.imageshack.us/img694/2570/omg2p.jpg

Are my are my equations correct?

Here is the solution according to wolfram!
http://www.wolframalpha.com/input/?...v2/(i*2*2)+(v2-v1)/(1/(2*i*0.2))+(v2-3v1)/4=0

or

http://www.wolframalpha.com/input/?...++b*0.25+++b*0.15*i++-+a+*0.75+-+a*0.4*i++=+0

but it still doesn't match the book's answer, I am not sure what's wrong :(

help please

 

[thecake]

Nodal analysis not mesh analysis :),

Anyone?

 

[The Electrician]

Your equations look correct, and I get the same solution you did. This is apparently one of those cases where the book has a wrong solution.

I allowed Mathematica to search for component values that would give the solution from the book. Setting the inductor to 3H and the capacitor to .3F came close.

 

[thecake]

Your equations look correct, and I get the same solution you did. This is apparently one of those cases where the book has a wrong solution.

I allowed Mathematica to search for component values that would give the solution from the book. Setting the inductor to 3H and the capacitor to .3F came close.

Thanks, you have confirmed what I have suspected :D, I have literally spent hours trying to figure out who's wrong, me or the book.

 

[DeeNos]

I cannot provide a direct answer to your question without knowing the specific equations and problem that you are trying to solve. However, based on the provided information and links, it appears that you are solving a circuit analysis problem using nodal analysis. It is important to double check your equations and make sure they are correct before comparing them to the solution provided by Wolfram Alpha or the textbook. One common mistake in nodal analysis is not properly labeling the nodes or assigning the correct reference node. Another potential issue could be using incorrect values for the circuit elements. I would suggest reviewing your equations and checking for any errors or inconsistencies. If you are still having trouble, it may be helpful to seek assistance from a teacher or tutor.