# MATLAB: How to loop it

for loop

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

#### Best Answer

• Use the multiplication element by element .*
z=x.*yx_new=x.*cosd(y)y_new=y.*sind(y)