# Spiderweb Plot for Interval Maps (Scripts) 1.0

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## Spiderweb Plot for Interval Maps (Scripts) Publisher's description

### This function can be used to generate spiderweb plots for continuous maps of the interval [0 1] into itself

This function can be used to generate spiderweb plots for continuous maps of the interval [0 1] into itself.

This type of graph is used to visualize successive iterations of an interval map f. Given an initial point x0, the segments that make up the diagram connect the points
(x0, f(x0)), (f(x0), f(f(x0))), (f(f(x0)), f(f(f(x0)))), ...

The arguments for SPIDERWEB are the following:
1. f - a continuous map of the interval [0 1] into itself. Maps that do not take the interval [0 1] back into itself may not produce the correct spiderweb plot.

2. x0 - the initial point.

3. N - the number of iterations. SPIDERWEB computes the forward trajectory of length N for the point x0. These points are stored in the vector xIm = X-IMAGES, so that xIm = [ x0 f(x0) ... (f^N)(x0) ]

Examples and sample function calls:
The following examples appear in the H1 line of the function.

1. The symmetric tent map:
>> f = @(x) (2*x).*(x=0.5);
>> spiderweb(f, 0.124, 50);

2. The standard quadratic (logistic) map:
>> f = @(x) (4*x).*(1-x);
>> xIm = spiderweb(f, 0.12, 50)

#### System Requirements:

MATLAB 7.9 (2009b)
Program Release Status: New Release
Program Install Support: Install and Uninstall

#### Spiderweb Plot for Interval Maps (Scripts) Tags:

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