帮助图像检索，更好的学习代码 ，帮助理解(In this paper we report the set-up and results of the Multimodal Brain Tumor Image Segmentation Benchmark (BRATS) organized in conjunction with the MICCAI 2012 and 2013 conferences.)

改代码能够计算GaN_InN 量子阱内的能带结构，该体系为拓扑绝缘体体系，能够计算基本的 能带结构，电子密度分布，边沿态等。。 参看文献： [1]. Dan M, Hu G, Li L, et al. High Performance Piezotronic Logic Nanodevices Based on GaN/InN/GaN Topological Insulator[J]. Nano Energy, 2018. [2]

单相光伏并网系统，逆变器采用dq下的PI控制。包含SIMULINK 2012-2018所有版本(For single-phase photovoltaic grid connected system, PI control under DQ is adopted for inverter. Include all versions of Simulink 2012-2018)

用MATLAB/SImulink 搭建的单相光伏并网逆变器仿真，用PR电压环控制器进行控制，包含2012-2018所有版本(Simulation of single-phase photovoltaic grid connected inverter built by Matlab / Simulink, controlled by PR voltage loop controller, including all versions o