一、数据库增删改查
QT core gui sqlgreaterThan(QT_MAJOR_VERSION, 4): QT widgetsCONFIG c11# The following define makes your compiler emit warnings if you use
# any Qt feature that has been marked deprecated (the exact warnings
# depend on your comp…
描述
BESSELK函数返回修改后的Bessel函数Kn(x),该函数等效于针对纯虚参判断的Bessel函数。
这些也称为双曲贝塞尔函数。
语法
BESSELK(X, N)争论
Argument描述Required/OptionalXThe value at which to evaluate the function.RequiredNThe order of the function. If n i…