Timothy Goldsmith

Aktiv seit 2016

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the acos funtion will not accept negagive numbers (e.g. -075) . WHY?
>> x = -1:.05:1; plot(x,acos(x)) grid on Subscript indices must either be real positive integers or logicals.

mehr als 7 Jahre vor | 1 Antwort | 0

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2x2 matrix multiplied by a 2x1 column vector gives erratic results
For example: A=[3,-2;2,-2] times v=[1;-1] works, but fails if A=[1,2;3,4]. The problem seems to be that in Matlab matrix multip...

etwa 8 Jahre vor | 1 Antwort | 0

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