Answer Gravy: The Dirac delta function really got under the skin of a lot of mathematicians. Many of them flatly refuse to even call it a “function” (since technically it doesn’t meet all the requirements). Math folk are a skittish b...
I am trying to model a plate vibration problem where the plate will be excited by an impact applied at 1 point. I want to do a transient analysis. Hence I need to define a force function of the form delta(x,y)*delta(t). How can I do that? Posted:1 decade ago wellI think it ...
Method/Function: define导入包: nipymodalitiesfmriutils每个示例代码都附有代码来源和完整的源代码,希望对您的程序开发有帮助。示例1def test_define(): expr = sympy.exp(3*t) yield assert_equal(str(expr), 'exp(3*t)') newf = define('f', expr) yield assert_equal(str(newf), 'f(t)') f ...