10 lines
353 B
Text
10 lines
353 B
Text
> mean( 1, 2, 3, 4, 5 );
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3
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> mean( a + b, b + c, c + d, d + e, e + a );
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2 a 2 b 2 c 2 d 2 e
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--- + --- + --- + --- + ---
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5 5 5 5 5
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> mean(); # again, an exception is raised
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Error, (in mean) numeric exception: division by zero
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