Re: Solving linear systems in matrix notation?
- To: mathgroup at smc.vnet.net
- Subject: [mg68237] Re: [mg68187] Solving linear systems in matrix notation?
- From: "Adriano Pascoletti" <pascolet at dimi.uniud.it>
- Date: Sun, 30 Jul 2006 04:48:07 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
Ben, use LinearSolve[matrix, vector] LinearSolve[{{2, 4}, {5, 7}}, {-4, 11}] gives {12, -7} Adriano Pascoletti Ben wrote .. > Hi, > > I have been following a tutorial that says to solve systems of linear equations > like so: > > Solve[{2x + 4y == -4, 5x + 7y == 11}, {x, y}] > > I am wondering if there is a shorthand way to do it by just entering the > co-efficients of each equation, i.e. matrix style: > > Solve??[{2,4,-4},{5,7,11}] > > cheers, > > Ben C. >