how to solve system of non linear equations with three different variables?

 x^2*y-z=1.5
 x-3y^0.5+xz=-2
 x+y-z=4.2

Answer 1

[Hannes Daepp]

You can use "solve" to find solutions for systems of equations. For example,

>> syms x y
>> [x_ans, y_ans] = solve(x + y == 9, y-x == 1)
x_ans =
4
y_ans =
5

The documentation offers more detail on the function, as well as several useful links for approaching equations solving, e.g.:

• Equation Solving
• Solve System of Algebraic Equations