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首页> 外文期刊>Communications in Nonlinear Science and Numerical Simulation >A time multidomain spectral method for valuing affine stochastic volatility and jump diffusion models
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A time multidomain spectral method for valuing affine stochastic volatility and jump diffusion models

机译:用于评估仿射随机波动性和跳跃扩散模型的时间多畴光谱法

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摘要

The general form of existing multivariate are based on stochastic volatility and jump diffusion models. These models typically lead to the need of solving systems of stiff Riccati differential equations. In this paper, we propose a time spectral domain decomposition method for solving systems of stiff Riccati differential equations. The technique is applied to solving stiff diffusion model problems found in oil pricing, interest rate and electricity models. Numerical methods show that the present approach is efficient, highly accurate and a good alternative to the existing numerical methods. (C) 2019 Elsevier B.V. All rights reserved.
机译:现有多变量的一般形式基于随机波动性和跳跃扩散模型。这些模型通常导致需要求解Riccati微分方程的系统。在本文中,我们提出了一种时谱域分解方法,用于解决僵硬的Riccati微分方程系统。该技术适用于求解油价,利率和电模型中发现的硬扩散模型问题。数值方法表明,本方法是有效的,高度准确,以及对现有数值方法的良好替代品。 (c)2019 Elsevier B.v.保留所有权利。

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