December 2008
Intermediate to advanced
408 pages
9h 43m
English
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CHAPTER 8Solving Equations
Many problems in mathematics ultimately boil down to solving an equation, or system of equations. Mathematica has a variety of tools for solving equations, which we’ll learn about in this chapter.
8.1 Polynomial Equations
Let’s start by solving a simple quadratic equation, x2 + 3x - 5=0. Example 8.1.1 shows how to use the function Solve to do this.
Example 8.1.1
In[1]:= (* solving a polynomial equation *) Solve[x2 + 3x −5=0, x]
Solve takes two arguments. The first is the equation we want to solve and the second is the variable that we want to solve for. Notice that we have used double equal signs in the equation. ...
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