Suzan Cioc

454 reputation

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visits	member for	1 year, 3 months
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Not to be offended

	454 reputation	bio	website		visits	member for	1 year, 3 months
111 badges		location			seen	Mar 26 at 14:06

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Jan 19	comment	Apply rule only if applicable? Check rule applicability? Custom unapplicable rule? By `MyRule1 = MyHead1[x_MyHead2] \| MyHead1[x_MyHead3] -> x` I meant a rule, which applies to expression with head 2 or 3 and gives x in the case. Isn't it correct?
Jan 19	revised	Apply rule only if applicable? Check rule applicability? Custom unapplicable rule? added 311 characters in body; edited title
Jan 19	comment	Apply rule only if applicable? Check rule applicability? Custom unapplicable rule? I want to implement custom algebra with custom heads, transformations and simplifications. I am surprised Mathematica is not well suitable for this.
Jan 19	asked	Apply rule only if applicable? Check rule applicability? Custom unapplicable rule?
Jan 19	accepted	Custom attributes?
Jan 19	comment	Custom attributes? Ah, I found `SetOptions` function.
Jan 19	comment	Custom attributes? Thanks. But how to change individual option of a symbol?
Jan 19	asked	Convert boolean test function to pattern?
Jan 19	asked	Custom attributes?
Jan 15	awarded	Nice Question
Jan 14	accepted	How to modify function argument?
Jan 14	asked	How to modify function argument?
Oct 29	comment	How to leave function unevaluated programmatically? @Mr.Wizard thank you for comprehension!
Oct 29	comment	How to leave function unevaluated programmatically? Here `(Null /; False);` construct is approximately `Fail[]` function Mathematica lacks. The difference that it can't work nested and should be at the end of procedure always
Oct 29	comment	How to leave function unevaluated programmatically? Even better `F1[x_] := (If[x >= 0, Return[Sqrt[x]]]; (Null /; False);)`
Oct 29	accepted	How to leave function unevaluated programmatically?
Oct 29	comment	How to leave function unevaluated programmatically? Ok, this looks like a final and sufficient solution I was looking for. It both uses condition and procedural. So I was wrong avoiding condition at all and people were wrong forcing condition in normal form.
Oct 29	comment	How to leave function unevaluated programmatically? You mean I pass entire answer to condition while you assigned it to a variable first?
Oct 29	comment	How to leave function unevaluated programmatically? Sorry don't catch the difference between I wrote and you wrote?
Oct 29	revised	How to leave function unevaluated programmatically? added 212 characters in body