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Jul
20
comment Symbolic area calculation for a parametric self-intersecting closed curve
Closely related: A: Finding the centroid of the area between two curves
Jul
20
revised A Chain rule proof using Mathematica
Notation explained
Jul
20
answered A Chain rule proof using Mathematica
Jul
20
reviewed Close Plotting with Controlled Precision
Jul
20
comment How do I “evaluate in place” programmatically? Need to evaluate Defer[] result in non-interactive setting
How about r/.Defer->Identity ? Wow, @ilian was 10 seconds faster!
Jul
19
comment Dynamic insertion of variables
If you want to extremize an expression with respect to some variables, you have to decide what to call the variables. There's no way around that.
Jul
19
revised Dynamic insertion of variables
Alternative approach
Jul
19
comment Dynamic insertion of variables
No, you can't - they are protected symbols. I'll add another approach that you may be looking for.
Jul
19
comment Dynamic insertion of variables
I don't understand what output you need. The symbols #i are slots of a function, they aren't themselves variable names. Do you want the function to generate variable names for you?
Jul
19
revised Dynamic insertion of variables
added 216 characters in body
Jul
19
answered Dynamic insertion of variables
Jul
18
comment How to simplify and evaluate Integral with lots of DiracDelta dists
This is partly true, but it omits the transformation that needs to be done in order to get rid of the squared integration variables inside the delta functions, which introduces additional denominators.
Jul
18
comment Vector tips seem to resize and get ugly in some situations
@David Yes, I've had crashes related to arrows before, too. But not this particular one you're seeing... my frustration is part of the reason I initially wrote this page where the code for this answer came from, too.
Jul
18
revised Vector tips seem to resize and get ugly in some situations
more explanations added
Jul
18
revised Vector tips seem to resize and get ugly in some situations
typo
Jul
18
answered Vector tips seem to resize and get ugly in some situations
Jul
18
revised Changing one line in code to Traditional Form?
More specific description added
Jul
17
awarded  Nice Answer
Jul
17
answered Changing one line in code to Traditional Form?
Jul
17
comment Changing one line in code to Traditional Form?
@AlexeiBoulbitch Indeed - since nobody proposed to close the question, your assessment is probably correct.