CHAPTER 5
Optimization Using Symbolic Computation
5.1 Symbolic Equations and Systems of Equations
The following commands can be used for the solution of symbolic equations and systems of equations:
solve(‘equation’, ‘x’) | Solves the equation in the variable x. |
syms x; solve(equation,x) | Solves the equation in the variable x. |
solve('e1,e2,…,en', 'x1,x2,…,xn') | Solves the system of equations e1,…, en in the variables x1, ... , xn. |
syms x1 x2… xn; solve(e1,e2,…,en, x1,x2,…,xn) | Solve the system of equations e1,…, en in the variables x1, … , xn. |
As a first example we solve the equation 3ax − 7x2 + x3 = 0 in terms of x, where a is a parameter.
>> solve('3*a*x-7*x^2+x^3=0','x') ...
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