# 그림:Ceiling function.svg

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Ceiling_function.svg‎ (1000 × 1000 pixel, file size: 16 KB, MIME type: image/svg+xml)

이 자료는 위키미디어 공용에 있습니다. 이 자료에 대한 설명이 아래에 있습니다.

Graph of the ceiling function.

## [edit] Related images

Floor | Ceiling | Int

## [edit] Instructions

See Wikipedia graph-making tips.

Generated in gnuplot with the following script:

    # Set square 1000×1000 SVG output and filename
    # The font size (fsize) sets the size for the circles, too.
    set terminal svg enhanced size 1000 1000 fname "Times" fsize 36
    set output "ceiling.svg"

    # Set the text value for missing entries in the data file, so we can plot a discontinuous function
    set datafile missing "Skip"

    # Set y axis limits so the plot doesn't go right to the edges of the graph
    set yrange [-3.5:3.5]
    # Set x axis limits so the first and last points are hidden
    set xrange [-3.5:3.5]

    # No legend needed
    set nokey

    # Add lightly-colored axis lines
    set yzeroaxis
    set xzeroaxis

    # Plot as lines and also points (circles)
    plot "ceiling.dat" with lines
    plot "ceiling.dat" with points 1 6

    # Close the file (so I don't have to close gnuplot to view it)
    set output

and data file:

ceiling.dat

    #  X     Y1
       -4    -4
       Skip
       -4    -3
       -3    -3
       Skip
       -3    -2
       -2    -2
       Skip
       -2    -1
       -1    -1
       Skip
       -1    0
       0     0
       Skip
       0     1
       1     1
       Skip
       1     2
       2     2
       Skip
       2     3
       3     3

Then I opened the resulting SVG file in Inkscape, changed the fill style for the circles (either blue or white fill), brought the plot lines to the top, and then brought the circles to the top (over the lines).

## [edit] License

Created by User:Omegatron using gnuplot, possibly with post-processing in the GIMP (PNG) or Inkscape (SVG)

I, the author of this work, hereby publish it under the following licenses:

| Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

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## [edit] External links

- Mathworld's version

## 그림 링크

다음 문서들이 이 그림을 사용하고 있습니다:

- 바닥 함수

원본 주소 ‘http://ko.wikipedia.org../../../c/e/i/%EA%B7%B8%EB%A6%BC%7ECeiling_function.svg_c5b6.html’

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