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Orion1
Jun4-11, 07:01 PM
\text{In}[1]:=\text{Solve}\left[\partial _{\theta } \text{Sin}[\theta ]==0,\theta \right]

\text{Out}[1]:=\left\{\left\{\theta \to -\frac{\pi }{2}\right\},\left\{\theta \to \frac{\pi }{2}\right\}\right\}

Is there a Mathematica source code command that can read a specific numerical value from the output box data?

Hurkyl
Jun4-11, 07:15 PM
The easiest way to extract the target from a replacement rule is to just use the replacement rule.