Vector products: Difference between revisions
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=={{header|J}}== |
=={{header|J}}== |
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Perhaps the most straightforward definition for cross product in J uses rotate |
Perhaps the most straightforward definition for cross product in J uses rotate multiply and subtract: |
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<lang j>cross=: (1&|.@[ * 2&|.@]) - 2&|.@[ * 1&|.@]</lang> |
<lang j>cross=: (1&|.@[ * 2&|.@]) - 2&|.@[ * 1&|.@]</lang> |
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