Chinese | English
Log In By IDS | Log In By KMS | Register
Search in the results
兰州大学机构库

Browse/Search Results:  1-10 of 82 Help

Selected(0)Clear Items/Page:    Sort:
Simultaneous inversion of a fractional order and a space source term in an anomalous diffusion model 期刊论文
JOURNAL OF INVERSE AND ILL-POSED PROBLEMS, 2022
Authors:  Sun, Liangliang;  Yan, Xiongbin;  Liao, Kaifang
Favorite  |  View/Download：0/0  |  Submit date：2022/11/09
Determination of fractional order  inverse source problem  fractional diffusion equation  uniqueness  modified non-stationary iterative Tikhonov regularization method  
Tikhonov正则化方法求解时空分数阶扩散方程源项识别问题 学位论文
理学学士, 兰州: 兰州大学, 2022
Authors:  李锦程
Favorite  |  View/Download：0/0  |  Submit date：2023/03/13
分数阶扩散方程  源项识别问题  Tikhonov正则化  收敛性估计  
Simultaneous inversion of a time-dependent potential coefficient and a time source term in a time fractional diffusion-wave equation 期刊论文
CHAOS SOLITONS & FRACTALS, 2022, 卷号: 157
Authors:  Yan, Xiong-bin;  Zhang, ZQ(张正强);  Wei, T(魏婷)
Favorite  |  View/Download：9/0  |  Submit date：2022/07/01
Nonlinear inverse problem  Stability and uniqueness  Ill-posedness  Non-stationary iterative Tikhonov regularization method  
Simultaneous inversion of a time-dependent potential coefficient and a time source term in a time fractional diffusion-wave equation 期刊论文
Chaos, Solitons and Fractals, 2022, 卷号: 157
Authors:  Yan, Xiong-bin;  Zhang, Zheng-qiang;  Wei, Ting
Favorite  |  View/Download：0/0  |  Submit date：2023/01/03
Nonlinear equations  Wave equations  Fixed point arithmetic  Iterative methods  Ill-posedness  Iterative Tikhonov regularization  Non-stationary iterative tikhonov regularization method  Nonlinear inverse problems  Nonstationary  Potential coefficient  Source terms  Stability and uniqueness  Tikhonov regularization method  Time-dependent potentials  
Simultaneous inversion of a time-dependent potential coefficient and a time source term in a time fractional diffusion-wave equation 期刊论文
Chaos, Solitons and Fractals, 2022, 卷号: 157
Authors:  Yan, Xiong-bin;  Zhang, ZQ(张正强);  Wei, T(魏婷)
Favorite  |  View/Download：0/0  |  Submit date：2022/11/08
Nonlinear equations  Wave equations  Fixed point arithmetic  Iterative methods  Ill-posedness  Iterative Tikhonov regularization  Non-stationary iterative tikhonov regularization method  Nonlinear inverse problems  Nonstationary  Potential coefficient  Source terms  Stability and uniqueness  Tikhonov regularization method  Time-dependent potentials  
Simultaneous inversion of a time-dependent potential coefficient and a time source term in a time fractional diffusion-wave equation 期刊论文
Chaos, Solitons and Fractals, 2022, 卷号: 157
Authors:  Yan, Xiong-bin;  Zhang, ZQ(张正强);  Wei, T(魏婷)
Favorite  |  View/Download：8/0  |  Submit date：2022/07/01
Inverse problems  Iterative methods  Nonlinear equations  Wave equations  Ill-posedness  Iterative Tikhonov regularization  Non-stationary iterative tikhonov regularization method  Nonlinear inverse problems  Nonstationary  Potential coefficient  Source terms  Stability and uniqueness  Tikhonov regularization method  Time-dependent potentials  
Simultaneous inversion of a fractional order and a space source term in an anomalous diffusion model 期刊论文
Journal of Inverse and Ill-Posed Problems, 2022
Authors:  Sun, Liangliang;  Yan, Xiongbin;  Liao, Kaifang
Favorite  |  View/Download：0/0  |  Submit date：2022/11/08
Diffusion  Inverse problems  Iterative methods  Partial differential equations  Determination of fractional order  Fractional diffusion equation  Fractional order  Inverse source problem  Iterative Tikhonov regularization  Modified non-stationary iterative tikhonov regularization method  Nonstationary  Source terms  Tikhonov regularization method  Uniqueness  
Application of Tikhonov regularization to reconstruct past climate record from borehole temperature 期刊论文
INVERSE PROBLEMS IN SCIENCE AND ENGINEERING, 2021
Authors:  Liu, Jia;  Zhang, Tingjun;  Clow, Gary D.;  Jafarov, Elchin
Favorite  |  View/Download：19/0  |  Submit date：2021/12/15
Inverse boundary value theory  climate change reconstruction  borehole Paleothermometry  model simulation  Tikhonov regularization  
几类时间分数阶扩散波方程反问题的唯一性及算法研究 学位论文
理学博士, 兰州: 兰州大学, 2021
Authors:  张云
Favorite  |  View/Download：35/0  |  Submit date：2021/12/06
时间分数阶扩散波方程  反初值问题  反源项问题  分数阶阶数  零阶项系数  对流项系数  唯一性  Tikhonov正则化  迭代Tikhonov正则化方法  最速下降法  Nesterov策略  迭代正则化集合Kalman方法  交替方向乘子法  收敛性  
基于域松弛非稳态迭代正则化方法求解时间分数阶扩散波方程空间源项辨识问题 学位论文
理学硕士, 兰州: 兰州大学, 2021
Authors:  冯正
Favorite  |  View/Download：12/0  |  Submit date：2021/12/06
时间分数阶扩散波方程  反演空间源项  域松弛非稳态迭代Tikhonov正则化方法  不适定性  唯一性与非唯一性