Latex_Ding提出了问题
2019-12-06 17:35
begin{itemize} item [1)] begin{eqnarray} ~~&&x_iin R_{+} ={x mid |phi(x_{i})-C_{+}^{*}|^{2} textless R_{+}^*}nonumber\ Rightarrow alpha_{i}=0; ~~&&end{eqnarray} item [2)] begin{eqnarray} ~~&...