File:Euler method.png

預覽大小：766 × 600 像素。其他解析度：307 × 240 像素 | 613 × 480 像素 | 981 × 768 像素 | 1,280 × 1,003 像素 | 1,638 × 1,283 像素。

原始檔案（1,638 × 1,283 像素，檔案大小：61 KB，MIME 類型：image/png）

本檔案並非來自中文維基百科，而是來自維基共享資源。請參閱維基共享資源上的詳細描述、討論頁、頁面歷史、日誌。

維基共享資源是一個儲存自由版權作品的項目。您可以向此項目作出貢獻。

描述Euler method.png	Illustration of the Euler method
日期	日期不明
來源	self-made, with Inkscape
作者	Oleg Alexandrov

SVG source code (SVG images are not rendered correctly by the existing renderer)


<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!-- Created with Inkscape (http://www.inkscape.org/) -->
<svg
   xmlns:dc="http://purl.org/dc/elements/1.1/"
   xmlns:cc="http://web.resource.org/cc/"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
   xmlns:svg="http://www.w3.org/2000/svg"
   xmlns="http://www.w3.org/2000/svg"
   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
   width="329.28pt"
   height="257.89001pt"
   id="svg2"
   sodipodi:version="0.32"
   inkscape:version="0.45.1"
   sodipodi:docbase="/net/cedar/h1/afa/aoleg/diverse/wiki"
   sodipodi:docname="Euler_method.svg"
   inkscape:export-filename="/home/aoleg/diverse/wiki/Euler_method.png"
   inkscape:export-xdpi="358.14001"
   inkscape:export-ydpi="358.14001"
   version="1.0"
   inkscape:output_extension="org.inkscape.output.svg.inkscape">
  <defs
     id="defs4">
    <marker
       inkscape:stockid="Arrow2Mstart"
       orient="auto"
       refY="0"
       refX="0"
       id="Arrow2Mstart"
       style="overflow:visible">
      <path
         id="path3194"
         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
         d="M 8.7185878,4.0337352 L -2.2072895,0.016013256 L 8.7185884,-4.0017078 C 6.97309,-1.6296469 6.9831476,1.6157441 8.7185878,4.0337352 z "
         transform="scale(0.6,0.6)" />
    </marker>
    <marker
       inkscape:stockid="Arrow2Lstart"
       orient="auto"
       refY="0"
       refX="0"
       id="Arrow2Lstart"
       style="overflow:visible">
      <path
         id="path3188"
         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
         d="M 8.7185878,4.0337352 L -2.2072895,0.016013256 L 8.7185884,-4.0017078 C 6.97309,-1.6296469 6.9831476,1.6157441 8.7185878,4.0337352 z "
         transform="matrix(1.1,0,0,1.1,1.1,0)" />
    </marker>
    <marker
       inkscape:stockid="Arrow1Lstart"
       orient="auto"
       refY="0"
       refX="0"
       id="Arrow1Lstart"
       style="overflow:visible">
      <path
         id="path3170"
         d="M 0,0 L 5,-5 L -12.5,0 L 5,5 L 0,0 z "
         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;marker-start:none"
         transform="matrix(0.8,0,0,0.8,10,0)" />
    </marker>
    <marker
       inkscape:stockid="Arrow2Lend"
       orient="auto"
       refY="0"
       refX="0"
       id="Arrow2Lend"
       style="overflow:visible">
      <path
         id="path3191"
         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
         d="M 8.7185878,4.0337352 L -2.2072895,0.016013256 L 8.7185884,-4.0017078 C 6.97309,-1.6296469 6.9831476,1.6157441 8.7185878,4.0337352 z "
         transform="matrix(-1.1,0,0,-1.1,-1.1,0)" />
    </marker>
    <marker
       inkscape:stockid="Arrow1Lend"
       orient="auto"
       refY="0"
       refX="0"
       id="Arrow1Lend"
       style="overflow:visible">
      <path
         id="path3173"
         d="M 0,0 L 5,-5 L -12.5,0 L 5,5 L 0,0 z "
         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;marker-start:none"
         transform="matrix(-0.8,0,0,-0.8,-10,0)" />
    </marker>
    <marker
       inkscape:stockid="Dot_s"
       orient="auto"
       refY="0"
       refX="0"
       id="Dot_s"
       style="font-size:12px;fill:#bb0000;fill-rule:evenodd;stroke:#ff00ff;stroke-width:0;stroke-linejoin:round;overflow:visible">
      <path
         id="path3266"
         d="M -2.5,-1 C -2.5,1.76 -4.74,4 -7.5,4 C -10.26,4 -12.5,1.76 -12.5,-1 C -12.5,-3.76 -10.26,-6 -7.5,-6 C -4.74,-6 -2.5,-3.76 -2.5,-1 z "
         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;marker-start:none;marker-end:none"
         transform="matrix(0.2,0,0,0.2,1.48,0.2)" />
    </marker>
    <marker
       style="font-size:12px;fill:#bb0000;fill-rule:evenodd;stroke:#bb0000;stroke-width:0;stroke-linejoin:round;overflow:visible"
       id="Dot_r"
       refX="0"
       refY="0"
       orient="auto"
       inkscape:stockid="Dot_r">
      <path
         transform="matrix(0.2,0,0,0.2,1.48,0.2)"
         style="fill-rule:evenodd;stroke:#bb0000;stroke-width:1pt;marker-start:none;marker-end:none"
         d="M -2.5,-1 C -2.5,1.76 -4.74,4 -7.5,4 C -10.26,4 -12.5,1.76 -12.5,-1 C -12.5,-3.76 -10.26,-6 -7.5,-6 C -4.74,-6 -2.5,-3.76 -2.5,-1 z "
         id="path2204" />
    </marker>
    <marker
       inkscape:stockid="Dot_b"
       orient="auto"
       refY="0"
       refX="0"
       id="Dot_b"
       style="font-size:12px;fill:#0000ff;fill-rule:evenodd;stroke:#0000ff;stroke-width:0;stroke-linejoin:round">
      <path
         id="path2208"
         d="M -2.5,-1 C -2.5,1.76 -4.74,4 -7.5,4 C -10.26,4 -12.5,1.76 -12.5,-1 C -12.5,-3.76 -10.26,-6 -7.5,-6 C -4.74,-6 -2.5,-3.76 -2.5,-1 z "
         style="fill-rule:evenodd;stroke:#0000ff;stroke-width:1pt;marker-start:none;marker-end:none"
         transform="matrix(0.2,0,0,0.2,1.48,0.2)" />
    </marker>
    <marker
       inkscape:stockid="Arrow2Mend"
       orient="auto"
       refY="0"
       refX="0"
       id="Arrow2Mend"
       style="overflow:visible">
      <path
         id="path3225"
         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
         d="M 8.7185878,4.0337352 L -2.2072895,0.016013256 L 8.7185884,-4.0017078 C 6.97309,-1.6296469 6.9831476,1.6157441 8.7185878,4.0337352 z "
         transform="scale(-0.6,-0.6)" />
    </marker>
    <marker
       style="overflow:visible"
       id="DistanceOut"
       refX="0"
       refY="0"
       orient="auto"
       inkscape:stockid="DistanceOut">
      <g
         id="g3254">
        <path
           style="fill:none;stroke:#ffffff;stroke-width:1.14999998;stroke-linecap:square"
           d="M 0,0 L -2,0"
           id="path2316" />
        <path
           style="fill:#000000;fill-rule:evenodd;stroke:none"
           d="M 0,0 L -13,4 L -9,0 L -13,-4 L 0,0 z "
           id="path2312" />
        <path
           style="fill:none;stroke:#000000;stroke-width:1;stroke-linecap:square"
           d="M 0,-4 L 0,40"
           id="path2314" />
      </g>
    </marker>
    <marker
       inkscape:stockid="Arrow2Sstart"
       orient="auto"
       refY="0"
       refX="0"
       id="Arrow2Sstart"
       style="overflow:visible">
      <path
         id="path3228"
         style="font-size:12px;fill-rule:evenodd;stroke-width:0.625;stroke-linejoin:round"
         d="M 8.7185878,4.0337352 L -2.2072895,0.016013256 L 8.7185884,-4.0017078 C 6.97309,-1.6296469 6.9831476,1.6157441 8.7185878,4.0337352 z "
         transform="matrix(0.3,0,0,0.3,-0.69,0)" />
    </marker>
    <marker
       inkscape:stockid="Dot_m"
       orient="auto"
       refY="0"
       refX="0"
       id="Dot_m"
       style="overflow:visible">
      <path
         id="path3263"
         d="M -2.5,-1 C -2.5,1.76 -4.74,4 -7.5,4 C -10.26,4 -12.5,1.76 -12.5,-1 C -12.5,-3.76 -10.26,-6 -7.5,-6 C -4.74,-6 -2.5,-3.76 -2.5,-1 z "
         style="fill-rule:evenodd;stroke:#000000;stroke-width:1pt;marker-start:none;marker-end:none"
         transform="matrix(0.4,0,0,0.4,2.96,0.4)" />
    </marker>
  </defs>
  <sodipodi:namedview
     id="base"
     pagecolor="#ffffff"
     bordercolor="#666666"
     borderopacity="1.0"
     gridtolerance="50"
     guidetolerance="10"
     objecttolerance="50"
     inkscape:pageopacity="0.0"
     inkscape:pageshadow="2"
     inkscape:zoom="0.7"
     inkscape:cx="67.561001"
     inkscape:cy="97.389597"
     inkscape:document-units="px"
     inkscape:current-layer="layer1"
     inkscape:window-width="962"
     inkscape:window-height="737"
     inkscape:window-x="61"
     inkscape:window-y="106"
     showgrid="true"
     inkscape:object-points="false"
     inkscape:object-nodes="false"
     inkscape:object-paths="false"
     inkscape:grid-bbox="false" />
  <metadata
     id="metadata7">
    <rdf:RDF>
      <cc:Work
         rdf:about="">
        <dc:format>image/svg+xml</dc:format>
        <dc:type
           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
      </cc:Work>
    </rdf:RDF>
  </metadata>
  <g
     inkscape:label="Layer 1"
     inkscape:groupmode="layer"
     id="layer1">
    <path
       style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:3;stroke-linecap:butt;stroke-linejoin:miter;marker-start:url(#Arrow2Lstart);stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
       d="M 30.000002,13.790748 L 30.000002,319.50504"
       id="path2178"
       sodipodi:nodetypes="cc" />
    <path
       style="fill:none;fill-rule:evenodd;stroke:#000000;stroke-width:3;stroke-linecap:butt;stroke-linejoin:miter;marker-end:url(#Arrow2Lend);stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
       d="M 10.000002,299.50504 L 387.14286,302.36218"
       id="path2180"
       sodipodi:nodetypes="cc" />
    <path
       style="fill:none;fill-opacity:1;fill-rule:evenodd;stroke:#0000ff;stroke-width:3.89549065;stroke-linecap:butt;stroke-linejoin:miter;marker-start:url(#Dot_b);marker-end:url(#Dot_b);stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
       d="M 387.61711,173.2675 C 334.53352,132.03313 269.94738,126.71355 221.69626,133.97961 C 143.4622,145.76077 97.405662,187.94241 68.173702,227.73655"
       id="path2182"
       sodipodi:nodetypes="csz" />
    <path
       style="fill:none;fill-rule:evenodd;stroke:#bb0000;stroke-width:3.89549065;stroke-linecap:butt;stroke-linejoin:miter;marker-start:url(#Dot_r);marker-mid:url(#Dot_r);marker-end:url(#Dot_r);stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
       d="M 68.2639,227.61451 L 126.87213,150.88274 L 217.30317,109.60909 L 306.8067,95.232868 L 389.32355,110.72755"
       id="path3155"
       sodipodi:nodetypes="ccccc" />
    <text
       xml:space="preserve"
       style="font-size:32.46242142px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans"
       x="89.805092"
       y="130.49377"
       id="text3161"
       sodipodi:linespacing="100%"><tspan
         sodipodi:role="line"
         id="tspan3163"
         x="89.805092"
         y="130.49377">A</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:25.96993637px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans"
       x="110.79196"
       y="139.01965"
       id="text3165"
       sodipodi:linespacing="100%"><tspan
         sodipodi:role="line"
         id="tspan3169"
         x="110.79196"
         y="139.01965">1</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:32.46242142px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans"
       x="186.69379"
       y="86.224594"
       id="text3171"
       sodipodi:linespacing="100%"><tspan
         sodipodi:role="line"
         id="tspan3173"
         x="186.69379"
         y="86.224594">A</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:25.96993637px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans"
       x="207.02484"
       y="94.750473"
       id="text3175"
       sodipodi:linespacing="100%"><tspan
         sodipodi:role="line"
         id="tspan3177"
         x="207.02484"
         y="94.750473">2</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:32.46242142px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans"
       x="290.17664"
       y="69.603592"
       id="text3187"
       sodipodi:linespacing="100%"><tspan
         sodipodi:role="line"
         id="tspan3189"
         x="290.17664"
         y="69.603592">A</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:25.96993637px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans"
       x="311.16351"
       y="80.752792"
       id="text3191"
       sodipodi:linespacing="100%"><tspan
         sodipodi:role="line"
         id="tspan3193"
         x="311.16351"
         y="80.752792">3</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:32.46242142px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans"
       x="367.41962"
       y="79.627182"
       id="text2188"
       sodipodi:linespacing="100%"><tspan
         sodipodi:role="line"
         id="tspan2190"
         x="367.41962"
         y="79.627182">A</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:25.96993637px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans"
       x="388.40649"
       y="90.776382"
       id="text2192"
       sodipodi:linespacing="100%"><tspan
         sodipodi:role="line"
         id="tspan2194"
         x="388.40649"
         y="90.776382">4</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:32.46242142px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans"
       x="35.037167"
       y="204.21785"
       id="text2206"
       sodipodi:linespacing="100%"><tspan
         sodipodi:role="line"
         id="tspan2208"
         x="35.037167"
         y="204.21785">A</tspan></text>
    <text
       xml:space="preserve"
       style="font-size:25.96993637px;font-style:italic;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;fill:#000000;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;font-family:Sans"
       x="56.024036"
       y="212.74373"
       id="text2210"
       sodipodi:linespacing="100%"><tspan
         sodipodi:role="line"
         id="tspan2212"
         x="56.024036"
         y="212.74373">0</tspan></text>
  </g>
</svg>

我，此作品的版權所有人，釋出此作品至公共領域。此授權條款在全世界均適用。
這可能在某些國家不合法，如果是的話：
我授予任何人有權利使用此作品於任何用途，除受法律約束外，不受任何限制。

檔案歷史

點選日期/時間以檢視該時間的檔案版本。

	日期/時間	尺寸	使用者	備⁠註
目前	2007年5月23日 (三) 03:33	1,638 × 1,283（61 KB）	Oleg Alexandrov	Tweak, same license. ==SVG source code (SVG images are not rendered correctly by the existing renderer) == <pre> <nowiki> <?xml version="1.0" encoding="UTF-8" standalone="no"?> <!-- Created with Inkscape (http://www.inkscape.org/) --> <svg xmlns:dc="h
	2007年5月23日 (三) 03:31	1,638 × 1,283（61 KB）	Oleg Alexandrov	Tweak, same license. ==SVG source code (SVG images are not rendered correctly by the existing renderer) == <pre> <nowiki> <?xml version="1.0" encoding="UTF-8" standalone="no"?> <!-- Created with Inkscape (http://www.inkscape.org/) --> <svg xmlns:dc="h
	2007年5月23日 (三) 03:28	1,638 × 1,283（61 KB）	Oleg Alexandrov	Tweak. Same license.
	2007年5月22日 (二) 03:46	3,638 × 2,849（158 KB）	Oleg Alexandrov	{{Information \|Description=Illustration of the Euler method \|Source=self-made, with Inkscape \|Date= \|Author= User:Oleg Alexandrov }} Category:Numerical analysis {{PD-self}}