I know that $\left ( -1 \right )^{2/3}=\left ( \left ( -1 \right )^{2} \right )^{1/3}=1$
But Matlab computes this as $- 0.5 + 0.8660254038i$ a complex number.Why?
I know that $\left ( -1 \right )^{2/3}=\left ( \left ( -1 \right )^{2} \right )^{1/3}=1$
But Matlab computes this as $- 0.5 + 0.8660254038i$ a complex number.Why?