How can I get MATLAB to keep variables that are in a range?

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Donald
Donald 2013-10-1
编辑： Josh Meyer 2013-11-12
I'm varying a vector to be crossed with another, but one of the values (angle) of the first vector [cos(a) sin(a) 0] X [cos(-0.4363) sin(-0.4363) 0]. The values of "a" must be varied from 0 to 180 and stored to be plotted on a graph. I've tried using the "for" function to get the values of the first vector but when I try to cross these values with the second vector I get an error stating that they are not the same size. Any help or tips would be appreciated.

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Josh Meyer
Josh Meyer 2013-11-11
编辑：Josh Meyer 2013-11-12
Here is one way to do it- just store the vectors as columns in the matrices.
X = linspace(0,pi/2,1000);
N = length(X);
A = [cos(X); sin(X); zeros(1,N)];
B = [cos(-0.4363).*ones(1,N); sin(-0.4363).*ones(1,N); zeros(1,N)];
C = cross(A,B)

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