Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

MathCad help

  1. Jun 19, 2004 #1

    jcsd

    User Avatar
    Science Advisor
    Gold Member

    How can you define a four vector in mathcad?

    Bascially, I want to adjust the vector (mutiplying by arbitary constants if necessary):


    [tex]I = \left(\begin{array}{c}cdt\\dx\\dy\\dz\end{array}\right)[/tex]

    such that:

    [tex]|I|^2 = c^2dt^2 - dx^2 - dy^2 - dz^2[/tex]
     
  2. jcsd
  3. Jun 19, 2004 #2

    chroot

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    You need the (Minkowski) metric to take the inner product.

    - Warren
     
  4. Jun 19, 2004 #3

    jcsd

    User Avatar
    Science Advisor
    Gold Member

    I worked out eventually that all I needed to do was mutiply were suitable by i and take the inner product of I and I.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook




Loading...
Similar Threads for MathCad help Date
Help installing old programs onto new a Win 10 computer Apr 12, 2018
Quantum SHO Ladder Operator in Mathcad Sep 21, 2007
Graphs in MathCAD Jul 20, 2005
Mathamatics or MathCad Feb 28, 2005
Mathcad Plot Problem Nov 15, 2004