📄 第五节 用mathematica进行向量运算和作图.htm
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<P class=MsoNormal style="line-height: 200%"><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><font size="4"><b>填充矩形</b></font></SPAN></P></TD></TR>
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<P class=MsoNormal style="line-height: 200%"><SPAN lang=EN-US><font size="4"><b>Circle[{x,y},r]</b></font></SPAN></P></TD>
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<P class=MsoNormal style="line-height: 200%"><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><b><font size="4">中心在（</font></b></SPAN><b><font size="4"><SPAN
lang=EN-US>x</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN
lang=EN-US>y</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）处</SPAN><SPAN
lang=EN-US>,</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">半径为</SPAN><SPAN
lang=EN-US>r</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的圆</SPAN></font></b></P></TD></TR>
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<P class=MsoNormal style="line-height: 200%"><SPAN lang=EN-US><font size="4"><b>Disk[{x,y},r]</b></font></SPAN></P></TD>
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<P class=MsoNormal style="line-height: 200%"><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><b><font size="4">中心在（</font></b></SPAN><b><font size="4"><SPAN
lang=EN-US>x</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN
lang=EN-US>y</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）处</SPAN><SPAN
lang=EN-US>,</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">半径为</SPAN><SPAN
lang=EN-US>r</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的实心圆</SPAN></font></b></P></TD></TR>
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<P class=MsoNormal style="line-height: 200%"><SPAN lang=EN-US><font size="4"><b>Text[expr,{x,y}]</b></font></SPAN></P></TD>
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<P class=MsoNormal style="line-height: 200%"><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><b><font size="4">中心在（</font></b></SPAN><b><font size="4"><SPAN
lang=EN-US>x</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN
lang=EN-US>y</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）处的</SPAN><SPAN
lang=EN-US>expr</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">文本</SPAN></font></b></P></TD></TR>
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<P class=MsoNormal style="line-height: 200%"><SPAN lang=EN-US><b><font size="4">Plot[expr,{x,xmin,xmax}</font></b></SPAN><b><font size="4"><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN
lang=EN-US>option->value]</SPAN></font></b></P></TD>
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<P class=MsoNormal style="line-height: 200%"><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><b><font size="4">在</font></b></SPAN><b><font size="4"><SPAN
lang=EN-US>x</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的（</SPAN><SPAN
lang=EN-US>xmin,xmax</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）定义域内画出函数</SPAN><SPAN
lang=EN-US>expr</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的图象</SPAN></font></b></P></TD></TR>
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<P class=MsoNormal style="line-height: 200%"><SPAN
lang=EN-US><b><font size="4">Plot[{expr1,expr2,…},{x,xmin,xmax}</font></b></SPAN><b><font size="4"><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">，</SPAN><SPAN
lang=EN-US>option->value]</SPAN></font></b></P></TD>
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<P class=MsoNormal style="line-height: 200%"><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><b><font size="4">在</font></b></SPAN><b><font size="4"><SPAN
lang=EN-US>x</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的（</SPAN><SPAN
lang=EN-US>xmin,xmax</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">）定义域内画出一系列函数</SPAN><SPAN
lang=EN-US>expr1,expr2,…</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的图象</SPAN></font></b></P></TD></TR>
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<P class=MsoNormal style="line-height: 200%"><SPAN lang=EN-US><font size="4"><b>Show[plot]</b></font></SPAN></P></TD>
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<P class=MsoNormal style="line-height: 200%"><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><font size="4"><b>重画一张图</b></font></SPAN></P></TD></TR>
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<P class=MsoNormal style="line-height: 200%"><SPAN
lang=EN-US><font size="4"><b>Show[plot,option->value]</b></font></SPAN></P></TD>
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<P class=MsoNormal style="line-height: 200%"><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><font size="4"><b>按选项画图</b></font></SPAN></P></TD></TR>
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<P class=MsoNormal style="line-height: 200%"><SPAN lang=EN-US><font size="4"><b>Show[plot1,plot2,…]</b></font></SPAN></P></TD>
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style="BORDER-BOTTOM: windowtext 0.75pt solid; BORDER-LEFT: medium none; BORDER-RIGHT: windowtext 0.75pt solid; BORDER-TOP: medium none; PADDING-BOTTOM: 0cm; PADDING-LEFT: 5.4pt; PADDING-RIGHT: 5.4pt; PADDING-TOP: 0cm; WIDTH: 231.7pt; mso-border-left-alt: solid windowtext .75pt; mso-border-top-alt: solid windowtext .75pt"
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<P class=MsoNormal style="line-height: 200%"><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><b><font size="4">在一张图上画出</font></b></SPAN><b><font size="4"><SPAN
lang=EN-US>plot1,plot2,…</SPAN><SPAN
style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的图形</SPAN></font></b></P></TD></TR>
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