how to loop it

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Rizwana
Rizwana 2014-1-30
评论： Jos (10584) 2014-1-30
I have two columns. Both columns reads 264 elements and lets call them x & y.
x= 264*1 % reads radius r
y =264*1 % reads angle theta
I want to multiply first element of x with 1st element of y & 2nt elemnt of x with 2nd elemnt of y. How to do it... I used this logic. Its not working... Please help me
for i = 1 :264
x_new = x(i) * cosd(y(i))
y_new = y(i) * sind(y(i))
end

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2014-1-30
编辑：Azzi Abdelmalek 2014-1-30
Use the multiplication element by element .*
z=x.*y
x_new=x.*cosd(y)
y_new=y.*sind(y)

更多回答（1 个）

Iain
Iain 2014-1-30
Change:
x_new = x(i) * cosd(y(i))
y_new = y(i) * sind(y(i))
to
x(i+1) = x(i) * cosd(y(i))
y(i+1) = y(i) * sind(y(i))

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