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In [1], S. Smale gave an existence result for finding the solution of the equation F(x)=0 (1) where C(?)R~n is a bounded open connected set, and F∈C~2(C, R~n). Almost simultaneously, H. Keller , C. B. Garcia and F. J. Gould, using the global 相似文献
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Giving two data points P_R(x_k, y_k)and P_(k+i)(x_(k+1), y_(k+1)) in the Cartesian Coordinates System. The knot of the interpolation between P_k and p_(k+1) satisfies the parabolic equation 相似文献
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本文引入了一类由Hadamard卷积定义的解析函数族B_α[β,γ,δ]。给出此类函数的一个充要条件、系数不等式,极值点和偏差定理。最后给出了B_α[β,γ,δ]类函数的星像,凸像半径。 相似文献
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Let f*g (z) be the convolution or Hadamard product of two functiom f(z) and g(z), that is, if f (z) =z+sum from n=2 to ∞a_nz~n and g(z) =z+sum from n=2 to ∞b_n z_n, then f*g(z)=z+sum from n=2 to ∞a_n b_n z~n (1) Let T denote the class of functions of the form 相似文献
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0 IntroductionWe seek methods for obtaining a simple zero x~* of the function f(x).The aim isto develop iterative processes of order p,in the error equationε_(k+1)=Kε_k~p+O(ε_k~(p+1)),as ε_k→0for ε_k=x_k-x~* and Ka function only of the derivatives of f at x~*.The methods to be discussed require one function evaluation and several 1-orderderivative evaluations.They have the advantage when the derivative f~(?) can be ob- 相似文献
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