## Solutions of Equations

Plot a function to help determine the location of its zeros.

> f := x -> x^6 - 3*x^5 - 5*x^4 + 15*x^3 + 4*x^2 - 12*x ;

> plot( f(x), x = -4..4 ) ;

Plot a function to help determine the location of its zeros.

> f := x -> x^6 - 3*x^5 - 5*x^4 + 15*x^3 + 4*x^2 - 12*x ;

> plot( f(x), x = -4..4 ) ;

- Example: a function of one variable. Here

f(x) = x3 - 4x2 + cos x

> f := x -> x^3 - 4*x^2 + cos(x) ;

defines f as a function of x (rather than as an expression)

*Before Trying To Solve Differential Equations, You Should First Study Help Sheet 3:** **Derivatives & Integrals**.*

- Example: a function of one variable. Here

f(x) = x3 - 4x2 + x - 3

> readlib(extrema);

> f:= x^3 - 4*x^2 + x - 3;

- Whenever doing linear algebra on maple, first enter

> with(linalg):

- For a list of commands available in the linalg package

> ?linalg

**Using Formatted Printing and Various Plot Options**

Dr. Kevin G. TeBeest

Assoc. Prof. of Applied Mathematics

Kettering University

http://paws.kettering.edu/~ktebeest/

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