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- function r = circ_dist(x,y)
- %
- % r = circ_dist(alpha, beta)
- % Pairwise difference x_i-y_i around the circle computed efficiently.
- %
- % Input:
- % alpha sample of linear random variable
- % beta sample of linear random variable or one single angle
- %
- % Output:
- % r matrix with differences
- %
- % References:
- % Biostatistical Analysis, J. H. Zar, p. 651
- %
- % PHB 3/19/2009
- %
- % Circular Statistics Toolbox for Matlab
- % By Philipp Berens, 2009
- % berens@tuebingen.mpg.de - www.kyb.mpg.de/~berens/circStat.html
- if size(x,1)~=size(y,1) && size(x,2)~=size(y,2) && length(y)~=1
- error('Input dimensions do not match.')
- end
- r = angle(exp(1i*x)./exp(1i*y));
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