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0
votes
0answers
44 views

Getting problems while calculating nxn matrix: output does not make sense [on hold]

With this code I should be able to calculate the Wab, which is supposed to be a nxn matrix. The problem is that this matrix ...
2
votes
1answer
58 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. ...
-1
votes
0answers
36 views
1
vote
1answer
42 views

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

Try the following: ...
0
votes
0answers
29 views

Classify: other output representation

I'm working on a classisfy problem. The code is like: CMDDrf = Classify[trainingdata, Method -> "RandomForest"] Then I want to make a prediction based on a ...
0
votes
1answer
38 views

Writing a math formula to order results in a certain way [closed]

I am not very well educated in math and I have a math puzzle that I'm trying to solve. I have the following list and each object has 3 numbers. The first 2 numbers are better when they are as high as ...
0
votes
0answers
29 views

View command-line output in GUI with formatting

Mathematica produces plain-text output when run at the Linux command line. Is there any way to open this plain text output in the Mathematica GUI so that it has all of the pretty formatting as if it ...
3
votes
0answers
36 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
vote
2answers
70 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: ...
0
votes
2answers
65 views

Function that creates a table from two lists

I have two lists shown below: list1 = {(0,0,0,0),(0,0,0,1),(0,0,1,0),...,(1,1,1,1)} list2 = {1,5,5,5,...,5} How can I construct a function that outputs a table similar to this: $$\begin{array}{c|c} ...
2
votes
5answers
221 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 ...
10
votes
3answers
265 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 ...
0
votes
1answer
50 views

Question about output of a function

I'm pretty new to programming in Mathematica and have a question. I wrote this function to factorise large numbers. The outputs are almost as expected, but I don't understand where the null's come ...
6
votes
1answer
114 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 ...
0
votes
3answers
47 views

Save a result containing HoldForm to a file

This is the workflow I have. Basically, I want the outputs of the polynomials I computed are in a specific order. (It is not the same one here, this is just an example.). ...
1
vote
1answer
57 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?
0
votes
2answers
65 views

NSolve gives {{ x -> #}}, How do I make x = #; I need to use the x value again later

I want to use: demand = {1.92, 2.07, 2.37, 2.72, 2.87}*10^6; NSolve[SetV == demand[[1]]/(Cpf (1 - χ)), χ] I want to make a vector of solutions ...
4
votes
1answer
69 views

How Unevaluated works Through its Attributes?

Check this example: ...
4
votes
2answers
105 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 ...
0
votes
1answer
91 views

Mathematica does not have permission to write files - Linux [closed]

I'm working with very large datafiles, (like: my calculations run for several days). I would like to save my output after every calculation, in case the kernel crashes. However, my computer refuses ...
0
votes
1answer
97 views

Save value computed in the loop and delete it

I am using For loop to calculate a value $z$ in every cycle. I would like to create a text file, save the current value $z$ in this file and afterwards delete the value from Mathematica's memory. I ...
0
votes
1answer
54 views

Output a symbol from Module or Block

I have troubles to output an entire symbol, a function in this case, from a module or a block. For instance myf = Block[{f}, f[3] = 33; f[4] = 4; f] Then I want ...
1
vote
0answers
76 views

Long running time

I gave this data as input: ...
1
vote
0answers
103 views

Export multiple graphics into same file [closed]

I have a plot and a table that I am trying to plot in a single file together. I have a "working" example, but it is not perfect. I export a list, but it keeps the commas and brackets, that is the only ...
3
votes
2answers
110 views

Trying to solve simultaneous equations based on format found on official website [closed]

$\def\1{x_1}\def\2{x_2}\def\3{x_3}\def\f{f(\1,\2,\3)}\def\bs{\bigskip}\def\b{\begin{pmatrix}}\def\e{ ...
2
votes
1answer
109 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: ...
0
votes
1answer
38 views

Reducing Output length by introducing new variables [duplicate]

I have outputs like "expression/(1+3*c^2) +anotherexpression/(1+3*c^2)" and so on. Is there any way to set 1/(1+3*c^2)=A where A is a new variable so that the output reads like ...
1
vote
1answer
93 views

How to know at which point of a calculation I am while using Table

If I use a code of this type: Table[foo[i], {i, 0, 10}] Mathematica won't output anything until it is done: is it possible to know at which point of the ...
1
vote
1answer
81 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 ...
3
votes
1answer
68 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 ...
1
vote
1answer
71 views

Output resets when after closing/reopening the file

I've been having an issue in a project I am working on for a demonstration that involves a manipulate containing buttons that influence local variables. In essence, the problem is demonstrated by this ...
2
votes
1answer
130 views

Write numbers to a file

I want create file with some text (and numbers). This is my code. ...
0
votes
1answer
186 views

How to output a bat file and execute it?

I tried to write a bat file which helped me rename files. Command to do this in that file is "ren file1 file2" which is equivalent to RenameFile[file1,file2]. ...
2
votes
2answers
134 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 ...
2
votes
2answers
101 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 ...
0
votes
1answer
31 views

How to output local variables when error message is generated without interrupting evaluation?

I am running a calculation to generate a dataset. I use several iterations to sweep over a parameter space. A few times an error message is generated (which is not the problem per se). Is it possible ...
0
votes
1answer
151 views

How to record all the output (including error messages) of a mathematica script in a file?

Is it possible to record all the output of a Mathematica script to a file? I am looking for the Mathematica equivalent of ...
1
vote
1answer
80 views

Retain original form of formatted equation [duplicate]

I am having trouble getting Mathematica to retain my original equation form. For example: As you can see, even though I use HoldForm, it still changes the style of my equation. Very frustrating.
4
votes
3answers
171 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: ...
1
vote
0answers
26 views

Ignore $MinPrecision when using Print

I have a function that contains a For loop and sometimes takes several hours to run. It's important that I keep a high precision, and I insert ...
2
votes
1answer
81 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: ...
11
votes
3answers
194 views

Head of a MatrixForm expression?

An example in http://www-zeuthen.desy.de/theory/capp2005/Course/hahn/mathematica.pdf amounts to the following ...
0
votes
0answers
41 views

Explicit multiplication * sign in Mathematica [duplicate]

I need to turn my Mathematica output (in string form) to a form that I then need to feed to Maple, and specifically I'd need all multiplications to be marked by * (as opposed to x or, as it happens ...
0
votes
1answer
87 views

Combine multiple outputs into a pane [closed]

Probably unnecessary detail: So here's what I'm envisioning. I have several outputs from different calculations (perhaps several ListAnimated tables of GraphicsGrids of plots). In one, I did all the ...
7
votes
2answers
203 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 ...
10
votes
4answers
488 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. ...
0
votes
0answers
56 views

Display functions without dependence?

I'm solving systems of equations with a few different functions of time, t, and so I'm getting output with lots of [t] running around. Is there a way to display these functions without the ...
1
vote
2answers
2k 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: ...
11
votes
2answers
405 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 ...
0
votes
0answers
38 views

No output when a parameter changes

I am very new in Mathematica, but I cannot find out what is happening here, looking on the internet. I modified a previous notebook as follows: ...