Dot product: Difference between revisions

52 bytes removed ,  11 months ago
(→‎{{header|REXX}}: fefurbished and dropped np error checking)
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=={{header|RPL}}==
Being a language for a calculator, RPL makes this easy.
<syntaxhighlight lang="rpl"><<
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[ 4 -2 -1 ]
DOT
>></syntaxhighlight>
 
=={{header|Ruby}}==
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