Can someone please check my signs on this Nodal Analysis

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Discussion Overview

The discussion revolves around the correctness of nodal analysis equations in a homework context. Participants are sharing insights on verifying the equations and the use of mathematical software for assistance.

Discussion Character

  • Homework-related, Technical explanation

Main Points Raised

  • Some participants assert that the nodal equations presented are correct.
  • There are suggestions to use mathematical software, specifically an older version of Derive, to verify the equations.
  • One participant expresses a preference to focus on the current problem set rather than learning to use the software immediately.
  • Another participant offers to provide guidance on using Derive for solving simultaneous equations if the software is obtained.

Areas of Agreement / Disagreement

Participants generally agree that the nodal equations are correct, but there is no consensus on the necessity or timing of using software for verification.

Contextual Notes

Limitations include potential dependencies on the specific version of the software and the assumption that the equations are indeed correct without further verification.

naivy
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Homework Statement



ZDYuJ.png


Homework Equations



Nodal Analysis, KVL

The Attempt at a Solution

 
Last edited:
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Your nodal equations are correct.

To check your work you should use some kind of math software. I use an old version of Derive. Nice thing about old versions of software is that they actually included a user manual you could read offline. Now everyhone seems to refuse to provide hardcopy user manuals (which is why I did not get a newer version of Derive myself).
 
rude man said:
Your nodal equations are correct.

To check your work you should use some kind of math software. I use an old version of Derive. Nice thing about old versions of software is that they actually included a user manual you could read offline. Now everyhone seems to refuse to provide hardcopy user manuals (which is why I did not get a newer version of Derive myself).

Thanks dude.

I think I'll check out Derive, but probably for the pset after this one. I'd rather work on this pset now rather than learn how to use Derive.
 
If you do get Derive, if you let me know I can show you in a minute how to solve simultaneous equations like the ones you have here. Especially if it's the old DOS version. Get that one if you can, it should come with a hardcopy user manual.
Send me a note if you want.
 

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