implicite differenciation to find slope of curve at apoint
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sita on 3 Feb 2015
Answered: Mischa Kim on 7 Sep 2016
I would like to do some thing like
syms x y
Sung Won Kim on 18 Aug 2016
Edited: Sung Won Kim on 18 Aug 2016
It would be better, If you use this When you defining f f=x^2+y^2==1
and I recommend to use syms x y(x) when you defining syms.
last, it is also necessary that diff(f,x) is used to differenciate the f by x (You don't need 'y')
then I think it will give an ans.
Mischa Kim on 7 Sep 2016
Sita, how about
syms x y(x) f(x,y)
f = x^2+y^2-1 == 0;
df = diff(f,x)
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