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<head><title>product(VisibleList,VisibleList,Function) -- product of results of applying a function pairwise</title>
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<div><h1>product(VisibleList,VisibleList,Function) -- product of results of applying a function pairwise</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><span>Function: <a href="_product.html" title="">product</a></span></li>
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<div class="single"><h2>Description</h2>
<div><tt>product(v,w,f)</tt> yields the product of the results obtained by applying <tt>f</tt> to each of the pairs <tt>(i,j)</tt> of elements from the lists <tt>v</tt> and <tt>w</tt>, which should be of the same length.<p/>
<table class="examples"><tr><td><pre>i1 : M = monoid [x,y,z];</pre>
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<tr><td><pre>i2 : product({2,3,4},{x,y,z},(i,j)->j^i)
2 3 4
o2 = x y z
o2 : M</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="_product.html" title="">product</a></span></li>
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