matrices jacobian function ?

I obtain the matrices of the jacobian using the function "jacobian". How can I calculate this matrices in a specific point?

Answer 1

[Pravin Jagtap]

Hello Massimiliano,

Please refer to example given in the following documentation:

https://www.mathworks.com/help/symbolic/jacobian.html

a = jacobian([x*y*z, y^2, x + z], [x, y, z]);
subs(a,{x,y,z},{1,2,3});

Above code represents how to use 'subs' function to get the value at given point.

For more details please refer following documentation:

https://www.mathworks.com/help/symbolic/subs.html