User Portlet
| Discussions |
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| How about With[{symb = Names["System`*"]}, Pick[symb, MemberQ[Attributes[#], Orderless] & /@ symb]] |
| In[1]:= FullSimplify[Re[x + y], {x, y} \[Element] Reals] Out[1]= x + y In[2]:= FullSimplify[-2 Re[x + y], {x, y} \[Element] Reals] Out[2]= -2 (x + y) In[3]:= FullSimplify[-Re[x + y], {x, y} \[Element] Reals] Out[3]= -Re[x + y] ... |
| Best not to use a BlankNullSequence unless you have to because the pattern matcher will spend forever trying to match anything you throw at it. Not to mention, if 2 args is all f takes, you would need an additional check on the length in order to... |
| When I paste say a Latex expression into Mathematica I get prompted with "The text you are pasting appears to be a TeX or LaTeX expression..." It gives me the choice of Always, Yes, and No as to how I want to treat this. I clicked Always and was... |