solve command gives extra solutions due to different syntax
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Hello All,
If an trigonometric equation 2250000*(6*cos(phi1) - sin(phi1))*(6*cos(phi2) - sin(phi2))
and I get extra results when using different syntax
1. when using syntax: solve((6*cos(phi1)-sin(phi1))*(6*cos(phi2)-sin(phi2))==0,'Real',true)
I get two answers, which co-respond to both angles, thinking of it I should get 4 answers, two for each angle
2. when telling matlab to produce results for both angle phi1 and phi2
solve((6*cos(phi1)-sin(phi1))*(6*cos(phi2)-sin(phi2))==0,[phi1 phi2],'Real',true)
I get 4 results for each angle,
two results are the correct results. the other two two are 0 and 0.
which are not the correct results for this equation.
what am I, doing wrong?
Thanks!
Gil,
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