【摘要】 本文证明了极坐标形式下的函数f（z）=U（γ,θ）+iV（γ,θ）=γe^iθ∈G在G内解析的充要条件,并推出其求导公式。更多还原

【Abstract】 Here I Have proved the necessary and Sufficient Conditions of analyticity of function:f(z) = u(x,y) + iv(x,y),z = re∈ G in polovr Coordinates in region G,and from this,I deduce its derivation formula.更多还原