GM(1n)matlab代码-gFDM:填鬼有限差分法

上传者: 38536397 | 上传时间: 2022-12-28 16:16:42 | 文件大小: 73KB | 文件类型: ZIP
GM(1 n)matlab代码gFDM 填鬼有限差分法 gFDM 的核心代码是用 C++ 开发的。 一般函数都是用Matlab编写的。 gFDM 实现分为 4 个高级函数和 32 个低级私有函数。 所有函数都以“gfdm_”前缀文本开头。 图 1 说明了高级函数的管道,从 NET 预处理管道开始。 该方法支持包含可以处理各向同性和各向异性电导率定义的 CTI 地图。 管道分为 3 个步骤,即头部模型“gfdm_prepare_headmodel”程序用于计算刚度矩阵,“gfdm_prepare_elecs”程序用于检查电极位置并设置引线对计算,最后是正向求解程序“gfdm_precalculate_leads” “gfdm_calculate_pots”分别计算给定源空间的互易铅对电位和输出电位。 高级功能描述 图 1:网络头部建模 - gFDM 管道实现 gfdm_prepare_headmodel 计算稀疏刚度矩阵来求解线性系统。 该函数还找到包围头部体积的边界框,标记不包括空气的体素位置。 输出是一个结构,包括刚度矩阵和头部体积的边界框阵列。 gFDM 方法允许任意体素大小,矩形

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