how can find angle for symbolic function

syms r2s r2ext F Text
r2=r2s+((1-(r2s).^2).*r2ext.*exp(-j*2*pi.*F.*Text));

[ahmed fawzy]

please if any one know answer reply quikly

[Walter Roberson]

Please read the guide to tags and retag this question; see http://www.mathworks.co.uk/matlabcentral/answers/43073-a-guide-to-tags

Answer 1

[Matt Fig]

The angle is just:

ANG = atan(imag(r2s)/real(r2s));

[ahmed fawzy]

thank u

[Muruganandham Subramanian]

can we use angle() command?..

[Matt Fig]

Not in 2011b. The ANGLE function calls ATAN2, which is not defined for symbolics.

[john]

In witch version can by used angle for symbolics?