Dot product: Difference between revisions

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m (Updated description and link for Fōrmulæ solution)
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=={{header|BQN}}==

Multiply the two vectors, then sum the result.
<lang bqn>•Show 1‿3‿¯5 +´∘× 4‿¯2‿¯1

# as a tacit function
DotP ← +´×
•Show 1‿3‿¯5 DotP 4‿¯2‿¯1</lang>
<lang bqn>3
3</lang>


=={{header|Bracmat}}==
=={{header|Bracmat}}==