A numerical function applied to cyclotomy
A numerical function applied to cyclotomy
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应用于睫状体切开术的数值函数
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通讯作者:
E. Lehmer
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作者:
E. Lehmer
So, for the same value of h, namely, h, there are two values of 0, namely, 6 and 0', which is absurd, since d is single-valued. (b) If the discontinuity is of the second kind, then there must be a sequence {hn}, tending to ~h, for which the corresponding sequence {£n} does not tend to any limit. Therefore two values ki and &2 of h can always be found as near as we please to It such that the corresponding values 771 and 772 of £ differ from each other by a quantity greater than a suitably prescribed positive quantity ô. But, from (M),f(h)/h and, consequently, ƒ'(£) are continuous functions of h at h. Therefore £ must be multiple-valued at h, which is absurd, since 0 is singlevalued.