双变量函数极限不存在的双路径法演示
2015-01-05 06:27
本范例演示了如何使用双路径法证明双变量函数的极限不存在。通过构造两条不同的路径趋近于目标点，展示函数在这些路径上的极限值不同，从而直观地说明该二元函数在指定点的极限不存在。适用于微积分课程中多元函数极限概念的教学与理解。
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<keepTypeOnTransform val="true"/>
</element>
<command name="Segment">
<input a0="PC2" a1="PP2"/>
<output a0="b"/>
</command>
<element type="segment3d" label="b">
<show object="true" label="false"/>
<objColor r="0" g="0" b="0" alpha="0.0"/>
<layer val="0"/>
<labelMode val="0"/>
<lineStyle thickness="1" type="10" typeHidden="2"/>
<outlyingIntersections val="false"/>
<keepTypeOnTransform val="true"/>
</element>
</construction>
</geogebra>