Questions tagged [built-in-symbols]
Questions related to handling built-in symbols and functions, for example why they behave a certain (possibly unexpected) way.
251 questions
3 votes
2 answers
127 views
Define meaning for symbol such as ⇓ despite 'Incomplete expression; more input is needed'
Example The notation $a\Downarrow_bc$ can mean something like "the program $a$ results in $c$ when executed according to the semantics of $b$". In Mathematica, I input this as ...
- 4,293
3 votes
3 answers
779 views
Why aren't there syntactic sugars for BitShiftLeft and BitShiftRight?
Why aren't there any syntatic sugars for BitShiftLeft and BitShiftRight? Is user-defined syntactic sugar available in ...
- 1
1 vote
1 answer
179 views
TriangleCenter for plotting
TriangleCenter gives a few selected centers for any triangle (which is good), but I rather would like to have a ton of ETC 6-9-13 points simply as (x,y) coordinate list. (To quickly "see" ...
- 1,243
3 votes
1 answer
545 views
Plot fails to plot. What am I doing wrong?
The below code executes. If I uncomment the Plot, it runs for a while and outputs nothing, not even the Mean and Variance. ...
1 vote
0 answers
46 views
Can we find (and understand) the ordering functions used in the various output forms?
Can we use (and perhaps even understand) the sorting functions used in the various output forms (such as OutputForm, TraditionalForm, TeXForm, etc...). This is motivated by the fact that I would like ...
- 4,931
1 vote
3 answers
161 views
A variable with a^2=0 [closed]
I want to do something simple. I want to define a variable such that a^2=0, so that say: Exp(a) = 1+a And any other function automatically f(a)=1+f'(0)a. Is it possible to do that in Mathematica?
- 148
1 vote
1 answer
205 views
Can the Debye functions be implemented using built-in functions?
It is claimed in the comments here that the Debye functions can be implemented using built-in special functions. This is clearly true for some Debye functions, e.g., $D_n^{(1)}(x)$ for $n = 1, 2, 3$ (...
- 1,120
0 votes
0 answers
67 views
Palette that gets single keystroke as input
I could find many examples of user-made Palette with many buttons in it. And drawing-tools Palette is not user-made, but it accepts a single keystroke as input. (In ...
- 4,435