Undefined function 'sind' for input arguments of type 'char'.

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christian ahmed tahal
回答： David Goodmanson 2016-11-1
Guys I'm having a problem i don't know what is the cause. I was asked to determine what kind of triangle if its in 3d. The part in else always gives me error i dont know why can someone help This is my code
p=input('What is the point system of first point ','s')
if strcmpi(p,'RCS')== 1
p1=input('coordinates ');
elseif strcmpi(p,'CCS')== 1
p1=input('coordinates ');
p1=([p1(1)*cosd(p1(2)), p1(1)*sind(p1(2)),p1(3)]);
else
p1=('coordinates ');
p1=([p1(1)*sind(p1(2))*cosd(p1(3)),p1(1)*sind(p1(2))*sind(p1(3)),p1(1)*cosd(p1(2))])
end

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回答（1 个）

David Goodmanson
David Goodmanson 2016-11-1
Christian, on the third line before the end you need p1 = input('coordinates')

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