how do you use sin in matlab?
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like for example I will input sin 30
when I do this I get an error: ??? Undefined function or variable 'sin30'.
sin is a function right? I do not need to put a value for it but why do I still get this error.? help me guys please...
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Yoav Livneh
am 14 Aug. 2011
0 Stimmen
Use sin(30).
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Daniel Shub
am 14 Aug. 2011
You need parentheses. For example:
sin(30)
Although you probably want
sin(30*pi/180)
since sin expects its argument to be in radians.
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John D'Errico
am 14 Aug. 2011
MATLAB has sind for those who insist on degrees.
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