Comments on: 求解延迟微分方程模拟土拨鼠? - //www.denkrieger.com/blogs/solving-delay-differential-equations-to-model-marmots 发布博客 Thu, 06 Mar 2025 09:08:58 +0000 hourly 1 https://wordpress.org/?v=6.7.2 By: Jun Leng //www.denkrieger.com/blogs/solving-delay-differential-equations-to-model-marmots/#comment-38903 Tue, 31 Dec 2024 03:18:43 +0000 https://cn.staging.comsol.com/blogs?p=378881#comment-38903 In reply to Ddd Hhh.

您好,对于时变问题,使用时间变量(t),符号 TIME 并不是通常意义上的变量,它不能直接求值,但在意义上等于时间 t,即 d(t,TIME) 等于 1。具体关于时间变量t和TIME的定义和使用方法可参考comsol用户文档中《Built-in Global Variables》章节。https://doc.comsol.com/6.3/docserver/#!/com.comsol.help.comsol/comsol_ref_definitions.21.041.html

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By: Ddd Hhh //www.denkrieger.com/blogs/solving-delay-differential-equations-to-model-marmots/#comment-38723 Fri, 27 Dec 2024 06:52:33 +0000 https://cn.staging.comsol.com/blogs?p=378881#comment-38723 请问全局方程那里的d(M,t)和d(M,TIME)有区别吗?

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