- #1
Orion1
- 973
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[tex]\text{In}[1]:=\text{Solve}\left[\partial _{\theta } \text{Sin}[\theta ]==0,\theta \right][/tex]
[tex]\text{Out}[1]:=\left\{\left\{\theta \to -\frac{\pi }{2}\right\},\left\{\theta \to \frac{\pi }{2}\right\}\right\}[/tex]
Is there a Mathematica source code command that can read a specific numerical value from the output box data?
[tex]y_1[\text{x$\_$}]\text{:=}x^2[/tex]
[tex]y_2[\text{x$\_$}]\text{:=}\partial_x x^2[/tex]
[tex]\text{Plot}\left[y_1[x],\{x,0,1\}\right][/tex]
[tex]\text{Plot}\left[y_2[x],\{x,0,1\}\right][/tex]
ivar: ... is not a valid variable.
Is there a symbolic source code solution that will alloy me to define and plot a recently differentiated function?
I can plot the function by manually copying the output box data in immediate mode and pasting it back into the function definition.
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