Which of the following functions can take partial derivatives for multivariate functions.( )
A、Sd = fnder(S,k);
B、Sd = fnder(S,[k1,· · · ,kn]);
C、Sd=spapi(k,x,y);
D、f=diff(diff(f,x,m),y,n)
发布时间:2026-01-28 04:04:52
A、Sd = fnder(S,k);
B、Sd = fnder(S,[k1,· · · ,kn]);
C、Sd=spapi(k,x,y);
D、f=diff(diff(f,x,m),y,n)