Subscript in parameter names
- To: mathgroup at smc.vnet.net
- Subject: [mg128515] Subscript in parameter names
- From: per at RQNNE.invalid (Per Rønne)
- Date: Fri, 26 Oct 2012 23:47:31 -0400 (EDT)
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You define functions in Mathematica like this: c[a_, b_]:= ^2a^6+b^6 Giving Sqrt[a^2+b^2] But how will you define a function with a parameter with a subscript, like L[L^_0^ _,v]:=L^_0*^21-^/v^6 c^6 Giving L[L0,v]:= L0*Sqrt[1-v^2/c^2] Except that L0 should be with a real subscript. In this example, c is 299,792,458 m/s, L0 the proper length in the velocity direction of an object with speed v relative to the observed lenght L from an intertial system with speed 0. -- Per Erik Rønne http://www.RQNNE.dk Errare humanum est, sed in errore perseverare turpe
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