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.

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12
votes
3answers
229 views

Head of a MatrixForm expression?

An example in http://www-zeuthen.desy.de/theory/capp2005/Course/hahn/mathematica.pdf amounts to the following ...
11
votes
3answers
507 views

Windows command line arguments, stdin & stdout

Is it possible to utilize all three: command line arguments, stdin, and stdout all at once in script for Windows? Unix is fairly easy, but I can't get the following to work with Windows. Using the ...
11
votes
1answer
282 views

Infix form of PutAppend ( >>> ) does not work with variable

I'm new to Mathematica, so I suspect this question involves either a misunderstanding involving variables or the usage of >>>. On a webMathematica page ...
11
votes
2answers
546 views

Redirect of mathematica graphics output to another computer screen

I need send the result of my calculation to the screen connected to HDMI output as a full-screen image. As I understand, I need change the DisplayFunction to usage of certain OutputStream. Do anybody ...
11
votes
4answers
779 views

Breaking up long equations in TeXForm

If I have a horrifically long expression and output it to TeX using TeXForm, I get a long equation which needs to be split up into multiple lines. But splitting it up manually can be quite cumbersome. ...
10
votes
2answers
757 views

How to send output of Information[] command to a text file?

I am having little hard time sending output of Information[] command to a text file. related question How to write output to an external text file in addition to ...
10
votes
2answers
171 views

Can anyone explain this strange behavior of InputForm?

In Mathematica 9.0.0, when to display the input form of two numbers, I come across maybe a puny problem. In order to focus on the problem, I will put up a simplified version. ...
7
votes
3answers
276 views

Wrapping EventHandler by Table

I am making a grid on the screen. The grid is composed of different expressions. I want all of them to have a Gray background, which turns into a ...
7
votes
2answers
219 views

Behaviour of out (%%…%) with comments

Can please someone explain to me the diffrent behavior of this code (6 - 3); (5 - 3); (4 - 3); {%%%, %%, %} Out= {3, 2, 1} and this one ...
7
votes
3answers
809 views

Adding a label to an expression result

To make my notebook easier to read for non-Mathematica literate colleagues (myself included), I'd like to have the output from an assignment expression look somewhat more obvious. Normally an ...
7
votes
2answers
197 views

Can I Print to a different notebook? (within the context of the same kernel)

Please imagine a simple loop: For[i=1,i<=100,i++, Print[i]; ]; We can ask Print[] to output $(1,2,3,4,...)$ to a ...
6
votes
1answer
128 views

Why is Reap result nested?

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 ...
6
votes
1answer
157 views

Can a field be used for both input and output (example: exchange rate calculator)

Suppose I want to build a simple currency converter like this one: The functionality is straightforward: enter an amount in any field box, it gets converted into other currencies whose fields are ...
5
votes
2answers
486 views

How to capture Print output

How can I capture output from Print from a function which does not leave the printed object as its final output, (and which I do not wish to edit)? E.g. ...
4
votes
3answers
3k views

How to remove ConditionalExpression from output

I need define the function with parameter so I could directly generate a power series expansion. The problem is that in some cases ConditionalExpression appears in output. Here is my code: ...
4
votes
3answers
205 views

Make equation size larger when using TraditionalForm

If I am using TraditionalForm, how do I make the output larger in size? I don't want to change the general font size of the GUI, just make the output of one expression larger. I tried: ...
4
votes
2answers
122 views

Is there a way to accelerate buffering to the screen

I have an application that does a bunch of small computations, mostly Table management, and logic around loops. It takes seconds to execute. However, when I turn on debug (a variable I set for ...
4
votes
1answer
73 views

How Unevaluated works Through its Attributes?

Check this example: ...
3
votes
3answers
4k views

Write a table to a file

I want to compute a multidimensional table in Mathematica and write it to an external file. Here is a simple example. I have three lists x, ...
3
votes
2answers
254 views

Mathematica does not understand (R^3)^(1/3) is the same as R [closed]

In the output from a calculation in mathematica stands a/((R^3*c)^(1/3)), with c and a ...
3
votes
1answer
123 views

Show Full Output button broken for all large outputs

I use Mathematica 9.0.1.0 on Mac OS X 10.10.3. As an example of my issue, we can follow along with the example from the documentation page for $OutputSizeLimit. ...
3
votes
1answer
364 views

Wrong result of simple math calculation. Is it possibly a bug of the program? [closed]

I encounter the following issue accidentally (shown in the screenshot) which is very odd to me. The output[4] and [5] is obviously wrong. But with the input value of 991.91, it turns out to be right ...
3
votes
2answers
133 views

Set all output to be of specific form

I want every output expression in a notebook to use //PowerExpand and also to format numbers as scientific. Is there a way to do this without explicitly calling ...
3
votes
1answer
138 views

How to summarize an expression

Is there a similar command as str in R in Mathematica? ...
3
votes
2answers
171 views

Use only exponents (no radicals) in output expressions

Radical symbols ($\sqrt{\,\,\,\,}$) are the devil. Is there any way to get mathematica to never use them, and instead express everything as an exponential? i.e. I want ...
3
votes
1answer
76 views

Print prints into the Messages notebook rather than into the evaluation notebook

Some time ago I noticed that the results of the evaluating the function Print[something] does not emerge in a new cell created in the notebook where the operation ...
3
votes
2answers
735 views

Deleting Print results

While playing around with $Pre and $Post I created this very annoying piece of code: ...
3
votes
1answer
89 views

Is it possible to print more than last line with Get (<<) without using Print commands?

I want to run my Mathematica scripts from the terminal and I want it to print lines like MATLAB would. That is, suppress output by ending a line with ;, and ...
3
votes
1answer
584 views

why mathematica outputs “TRUE” sometimes in outputs that are conditional to mean “in all other cases”?

consider this simple Input: Probability[g <= m && m <= -g + 1, {m, g} \[Distributed] UniformDistribution[{{0, 1}, {0, gg}}]] which generates a ...
3
votes
1answer
286 views

Write numbers to a file

I want create file with some text (and numbers). This is my code. ...
3
votes
1answer
57 views

Annotating output without changing the value [duplicate]

I like to annotate output, using something like the following: ...
3
votes
0answers
78 views

Obtain $\TeX$ code as in `StandardForm`

This is a question very close related to Breaking up long equations in TeXForm. Last time, because @Adam doest not present a clear goal for this problem, as stated by Massimo Ortolano there's no ...
3
votes
0answers
38 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 ...
3
votes
0answers
59 views

How can I append Mathematica variables to an output file preserving both names and values? [duplicate]

I have a Mathematica program that calculates a series of large vectors that I need to save for future reference (in addition to some scalar values). I want to save all these to a file, tagged by their ...
2
votes
5answers
231 views

Making loop based off what I can say in words

I have a list of values a: {1,4,11,14} I want to print out values that satisfy b(1+a) = 0 mod 15 where b are the values from 0 to 14. The output I am wanting is ...
2
votes
1answer
74 views

How to get the content size (in pixels) of the output in an output cell?

How to get the content size (in pixels, width and height) of the output in an output cell?
2
votes
3answers
504 views

Outputting a fraction on one line with an oblique division sign

How can I make Mathematica output a fraction as x/2 as opposed to the x on top with a horizontal bar and ...
2
votes
1answer
467 views

How to use output from previous line in Plot? [duplicate]

Suppose, I want to solve a equation and want to obtain it's first root. In this case I've used In[1]=:Solve[b^2 + b*z + 1 == 0, b][[1]] This gives ...
2
votes
3answers
160 views

Function to preserve evaluation on display?

I'm looking for a function that applies the following behavior to an expression: -When the expression is given as the full input, or as part of a function that cannot be evaluated, it remains in ...
2
votes
2answers
125 views

How can I check that the general solution obeys the original differential equation?

For example: I solved the following differential equation: y''[x] == (λ x^(3/4) y[x])/Sqrt[1-x] that 0<x<1 with the ...
2
votes
2answers
260 views

how to remove Null's from output? [duplicate]

I'm a math enthusiast and I'm looking for examples of rare divisibilities, let's look at the following one: ...
2
votes
1answer
128 views

How to generate specific function using BSpline command/

I want to generate an approximation function that fits a curve to points. My goal is to obtain an actual formula. Is this possible with the BSpline function? Using the following code: ...
2
votes
1answer
89 views

How can I turn off generation of Dynamic elements by Histogram?

By default Histogram generates Graphics expression with embedded Dynamic constructs as can ...
2
votes
1answer
62 views

What's the meaning of <<19>> in the result [duplicate]

Try the following: ...
2
votes
1answer
166 views

How to update Print-out “in place”?

I want to run an exhaustive search algorithm that will take several hours to finish, so I'd like to have it execute Print statement periodically, showing the ...
2
votes
2answers
90 views

How can I get a Button to evaluate an expression containing Get? [duplicate]

I have problems making Button evaluate an input like this one: Button["Load", Get["/Users/simonlausen/Desktop/Input/ex1.mx"]] ...
2
votes
1answer
43 views

How to use MakeExpression in terminal?

This is in continuation to the question in Infix form of PutAppend ( >>> ) does not work with variable. I was trying to use ...
2
votes
1answer
88 views

Why can I edit only one character of the output of a Dynamic expression?

Try this: DynamicModule[{foo = \[Placeholder]}, foo] Note how we're able to edit the placeholder in the output, e.g. replace it with 42: ...
2
votes
1answer
101 views

File output and race conditions

Is it possible to know when Mathematica is done writing a file? I'm looking to automate something and I'm wanting to have Mathematica put it in a file using Put[], ...
1
vote
2answers
48 views

styles and print and output

I know I can use styles to change how the result of Print looks. But I have a case where I use Print to display some ...