File r37/lisp/csl/html/r37_0027.html from the latest check-in



<A NAME=plussign>

<TITLE>plussign</TITLE></A>
<b><a href=r37_idx.html>INDEX</a></b><p><p>



<B>+</B> _ _ _ <B>PLUSSIGN</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
<P>
 
The <em>+</em> operator is a prefix or infix n-ary addition operator. 
<P>
<P>
 <P> <H3> 
syntax: </H3>
&lt;expression&gt; { <em>+</em>&lt;expression&gt;}+ 
<P>
<P>
or <em>+</em>(&lt;expression&gt; {,&lt;expression&gt;}+) 
<P>
<P>
<P>
&lt;expression&gt; may be any valid REDUCE expression. 
<P>
<P>
 <P> <H3> 
examples: </H3>
<P><PRE><TT>
x**4 + 4*x**2 + 17*x + 1; 

   4      2
  X  + 4*X  + 17*X + 1 


14 + 15 + x; 

  X + 29 


+(1,2,3,4,5); 

  15

</TT></PRE><P><em>+</em>is also valid as an addition operator for 
<A HREF=r37_0345.html>matrix</A> variables 
that are of the same dimensions and for 
<A HREF=r37_0045.html>equation</A>s. 
<P>
<P>
<P>


REDUCE Historical
REDUCE Sourceforge Project | Historical SVN Repository | GitHub Mirror | SourceHut Mirror | NotABug Mirror | Chisel Mirror | Chisel RSS ]