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Take a screenshot, and transfer it to a windows partition/drive path?

asked 2013-09-03 07:16:08 -0500

bxdin gravatar image

I currently run Sage math 5.9 through, VirtualBox Fedora linux virtual machine, on Microsoft Windows 7.

I performed the following calculations.

eq1i = integral( sqrt( 1 + 1/(4*x))  )
f(x) = eq1i.subs(x=x)
show(eq1i)
float( f(4) - f(1) )

As you may see, I did show(eq1i), to display the integral result in a more readable format. I'd like to to take a screenshot of my results in Sage, so then I can use an image editing program in Windows, such as MS Paint or Adobe Photoshop, and crop out the result of show(eq1i), result.

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I'm not familiar with moving between the VirtualBox and Windows partitions, but as a quick fix, you could use the cell server: http://sagecell.sagemath.org Here is a permalink: http://sagecell.sagemath.org/?z=eJwVi80KgCAQBu9B7_Add_tF8NrDFGgJkqhF-_itp4FhxmUTsCHcjzvLHgk1l4dgMMKsZAdhxiTgvvMkrKXTYanvUUk2UV2v9FGTLYlp19mTZcwKw-AfNqUaKg==&lang=sage

calc314 gravatar imagecalc314 ( 2013-09-03 08:04:30 -0500 )edit

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answered 2013-09-04 04:43:33 -0500

tmonteil gravatar image

updated 2013-09-04 04:56:08 -0500

In your case, show(eq1i) opens a PDF reader with the formula typeset with LaTeX in a PDF page. I did not try this with VirtualBox, but it is likely there is no PDF reader installed in the linux virtual machine.

If you want to see your formula in a nice format inside the notebook, just click on the "Typeset" button on the top of the notebook page.

Without it, you will get something like

sage: eq1i
sqrt(1/4/x + 1)*x - 1/8*log(sqrt(1/4/x + 1) - 1) + 1/8*log(sqrt(1/4/x + 1) + 1)

With it, you will get something like:

$$ \sqrt{\frac{1}{4 \, x} + 1} x - \frac{1}{8} \, \log\left(\sqrt{\frac{1}{4 \, x} + 1} - 1\right) + \frac{1}{8} \, \log\left(\sqrt{\frac{1}{4 \, x} + 1} + 1\right) $$

If you want to have the same result than the one of the PDF page, you can do:

sage: latex(eq1i)

Which will return something like:

\sqrt{\frac{1}{4 \, x} + 1} x - \frac{1}{8} \,
\log\left(\sqrt{\frac{1}{4 \, x} + 1} - 1\right) + \frac{1}{8} \,
\log\left(\sqrt{\frac{1}{4 \, x} + 1} + 1\right)

Just copy-paste it in a LaTeX file and compile it (LaTeX runs on windows).

Otherwise, install linux (or run it from a live USB key), and copy the produced PDF file into your windows partition.

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Asked: 2013-09-03 07:16:08 -0500

Seen: 162 times

Last updated: Sep 04 '13