loncom/homework/templates/extreme.problem - diff

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version 1.1, 2010/06/13 22:56:55	version 1.2, 2010/06/14 11:34:20
Line 71 hasextreme:is(at(diff(y(x),x,1),x=LONCAP	Line 71 hasextreme:is(at(diff(y(x),x,1),x=LONCAP
isrightkind:false;	isrightkind:false;
k:0;	k:0;
s:0;	s:0;
if hasextreme then for i:2 while s=0 do (s:at(diff(y(x),x,i),x=LONCAPALIST[1]),k:i);	if hasextreme then for i:2 while s=0 and not is(diff(y(x),x,i)=0) do (s:at(diff(y(x),x,i),x=LONCAPALIST[1]),k:i);
if evenp(k) and is(LONCAPALIST[2]*s>0) then isrightkind:true;	if evenp(k) and is(LONCAPALIST[2]*s>0) then isrightkind:true;
hasextreme and isrightkind;</answer>	hasextreme and isrightkind;</answer>
<textline readonly="no" size="50" />	<textline readonly="no" size="50" />
</mathresponse>	</mathresponse>
</part>	</part>
<part id="2">	<part id="2">
<script type="loncapa/perl">$value=&cas('maxima',"float(at($example,x=$location))");</script>	<script type="loncapa/perl">$previous=&maxima_cas_formula_fix($example);
	$value=&cas('maxima',"float(at($previous,x=$location))");</script>
<startouttext />	<startouttext />
What is the value of your function at this $text?	What is the value of your function at this $text?
<endouttext />	<endouttext />