Function called with matrix arguments get wrong answer

Function called with matrix arguments get wrong answer - Function called with matrix arguments get wrong answer - Сообщения

#1 Опубликовано: 19.11.2012 10:22:33

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See the attached sheet.

The call to Vo() with matrix arguments should get the same answer as the individual evaluation, also included in the sheet, but it does not.

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#2 Опубликовано: 20.11.2012 05:02:52

Radovan Omorjan

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Hello,

No, it is not a bug - just a SMath feature. You divided a scalar (RU) with a matrix (RL), that is wrong. Reciprocal of a matrix gives its inverse, not the reciprocal of its elements as you wanted.

Please see the attached corrections

Regards,
Radovan

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When Sisyphus climbed to the top of a hill, they said: "Wrong boulder!"

#3 Опубликовано: 20.11.2012 06:24:32

jmc

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Thanks for the correction. This one might be a good addition to a Gotya section on the wiki if it is not already there.

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