cannot work a "conditional If"
- To: mathgroup at smc.vnet.net
- Subject: [mg130570] cannot work a "conditional If"
- From: patrice.haldemann at gmail.com
- Date: Mon, 22 Apr 2013 03:11:08 -0400 (EDT)
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Hi everybody I am a newcomer in the mathematica world and I have been facing an issue for some days. I have used mathematica to solve an NDSolve and it has worked well I have tested expressions with the solution of NDSolve and its has worked well. Now if I use an expression in an "Conditional If", it does not work. Thank you for your help See below signy[t_] := y[t] /. orbit where y[t] is the solution of the NDSolve signy[1] {-1.96861} ang12[t_] := If[signy[t] > 3, 10, 6] ang12[1] If[{-1.96861} > 3, 10, 6]
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