Linked Questions
11 questions linked to/from Head of a MatrixForm expression?
8
votes
2
answers
210
views
what does Out store? [duplicate]
I think the following can only be tested in a notebook. (Please correct me if not.)
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- 13.6k
3
votes
0
answers
42
views
Out[x] not the same as assigned expression [duplicate]
There seems to be a difference in the way Mathematica assigns a value to a variable and the way it assigns a value to the next Out object. I don't understand why this is happening.
For instance, take ...
- 1,089
52
votes
4
answers
12k
views
Why does MatrixForm affect calculations?
This is a really newbie question, but it has me confused. Why does this code work without // MatrixForm and doesn't work with ...
- 665
44
votes
5
answers
2k
views
Why is there no PositionFunction in Mathematica?
Too often I have seen the programs of inexperienced users greatly slowed by using Position in an iterative fashion, when far faster would have been to compute a ...
- 270k
7
votes
3
answers
503
views
How can I reproduce the MatrixForm, NumberForm, XyzForm behavior?
I wish to write a function like MatrixForm, that affect only display but not evaluation, i.e. a function that automatically is stripped away from output.
More ...
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10
votes
2
answers
298
views
Schrödinger's MatrixForm: feature or bug?
Recently I noticed a peculiar behavior of MatrixForm that I failed to find a way to explain. Consider the following example:
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- 63.8k
8
votes
3
answers
409
views
Creating a TeXForm/TraditionalForm/etcForm - like function
How could we go about creating a function that behaves like those?
After a while thinking, my best try is with CellPrint printing an ...
- 42.5k
2
votes
2
answers
300
views
After NumberForm I cannot apply a Sine function. Why?
After NumberForm I cannot apply a Sine function. Why?
This works:
sol1 = x /. Solve[x^2 - 3 == 0, x]
Sin[sol1]
Output = $\{-Sin[\sqrt{3}],Sin[\sqrt{3}]\}$
Also ...
- 2,311
2
votes
1
answer
362
views
Revert FullForm back to "normal"
I am trying to find the function that converts the result of FullForm back into a standard pretty looking output. Here is what I mean:
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2
votes
0
answers
61
views
Classification of Forms and understanding what goes into \$PrintForms, \$OutputForms, Out[x]//XXXForm=, and what does not
Mathematica has lots of Forms. Some of those appear in $PrintForms, like InputForm, ...
- 245
3
votes
0
answers
29
views
Declare new "Form" wrapper and avoid this wrapper being recorded in Out[...] [duplicate]
When I input
{{1,0},{0,1}} // MatrixForm
and then m = %;, the value that m takes is the ...
- 1,051