implicit function ，differeation
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here we have implicit function 
, caculate 
, caculate 1 个评论
Dyuman Joshi
2023-2-5
What does this question have to do with MATLAB? Specify through words, no one here can read your mind.
回答（1 个）
syms x y(x) D2y
eqn = x + sin(y)/2 - y == 0
d2eqn = diff(eqn,x,2)
d2eqn_subs = subs(d2eqn,diff(y,x,2),D2y)
D2y = solve(d2eqn_subs,D2y)
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