Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
问题是:
x dy/dx = 2y ; y(0)=0
因为当我解决这个问题时,积分常数'c'变为零......我必须找到它的值才能计算给定IVP的解决方案
除非我弄错了,否则这个问题给出 c = 0 for y(0) = 0
x*dy/dx = 2y x*dy = 2y*dx dy / 2y = dx / x ln(2y) = ln(x) + c e^(ln(2y)) = e^(ln(x) + c) = e^ln(x)*e(c) 2y = x + c
正如您所说,求解 y(0) = 0 给出 c = 0。为什么你认为c不能为0?