...dimension reduction, proper orthogonal decomposition, regression-based Monte Carlo, Fourier methods[gap=343]关键词美式期权，降维，正交分解，回归为基础的蒙地卡罗，傅立叶方法1。
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feature dimension reduction 特征降维
dimension reduction theory 降维理论
Sufficient dimension reduction 充分数据降维
Isomap dimension reduction Isomap降维
nonlinear dimension reduction 非线性降维 ; 等距特征映射
dimension reduction model 降维模型
image dimension reduction 图像降维
dimension reduction method 降维计算方法
In this paper, we propose a dimension reduction method based on the tangent bundle.
本文提出了一种基于切丛的维数约简方法。
The dimension reduction method is discussed theoretically and the computer implementation of the method and its results are given.
首先理论上讨论降维法，其次给出计算机程序实现的方法及其结果。
Feature selection and input dimension reduction are of Paramount im-portance to transient stability assessment based on neural networks.
输入特征选择和输入空间降维是基于神经网络暂态稳定评估的首要问题。
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