Dot• a.b.c or Dot[a, b, c] gives products of vectors and matrices. • a.b gives an explicit result when a and b are lists with appropriate dimensions. It contracts the last index in a with the first index in b. • Various applications of Dot: • Examples: {a, b}.{c, d} . • {{a, b}, {c, d}}.{x, y} . • See also: Cross.
Examples Using InstantCalculatorsHere are the InstantCalculators for the Dot function. Enter the parameters for your calculation and click Calculate to see the result.
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Entering Commands DirectlyYou can paste a template for this command via the Text Input button on the Dot Function Controller. This is the dot product of two vectors using the shorthand form for Dot.
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This is the dot product of a matrix and a vector.
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The dot product of a matrix and a matrix is a matrix.
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