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Results tagged with output
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user 148
Questions about the form and content of output returned by Mathematica for a given input or function application. This can include specific differences produced by older versions of Mathematica.
14
votes
3
answers
481
views
Head of a MatrixForm expression?
An example in http://www-zeuthen.desy.de/theory/capp2005/Course/hahn/mathematica.pdf amounts to the following
mat = {{1, 2}, {3,4}};
mat // MatrixForm
(* I've suppressed output *)
Head[%] …
- 12.1k
9
votes
1
answer
509
views
Why is Reap result nested? [closed]
A minimal (toy) example for my question:
i= 1;
Reap[Do[Sow[i = (i + 1)^2], {4}]]
(* {Null, {{4, 25, 676, 458329}}} *)
I presume the entire result is a list with first entry Null because the …
- 12.1k