Under the condition of a discrete logarithm problem, S2 is decrypted by the OPE (Oblivious Polynomial Evaluation) protocol and Lagrange Interpolation Polynomial (scheme 2).
在离散对数困难问题的条件下，利用不经意多项式估值协议和拉格朗日插值多项式来解密s2(方案2)。
Based on the characteristic of multi-path frequency selective channel, the algorithm combines rapid table lookup and Lagrange-multiplier method to iteratively search the optimal bit allocation scheme.
算法根据多径信道选择性衰落的特性，结合查表法和拉格朗日乘子的混合迭代搜索法，最优地分配各个子载波的传输比特数。
Moreover, a weight optimization scheme for the multi-kernel was proposed by maximizing the Margin Maximization Criterion(MMC)based on the method of Lagrange multipliers.
进而，使用拉格朗日乘子法优化最大边缘准则（MMC），提出了多重核权值优化算法。
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