Defining hare population as a function of time

Revision as of 06:32, 19 December 2009 by Fredbrunt (talk | contribs)
  • Select Hares at start. Click on the key icon to open the Attribute panel. Click on the Description field, type ‘The hare population at the start of each time period.’ Press alt+enter.

Foxes and Hares diagram 1.1.jpg

  • Select Definition from the Attribute popup menu. Click on the expr popup menu, select ‘other’. Object finder window should appear.

Attribute Other.jpg

  • Select ‘Special’ from the Library popup menu.

Object special.jpg

  • Select Dynamic to open parameter box for Dynamic function(). Click on the Dynamic field. Type ‘100, Hares_at_end[Time-1]*(1+Hare_birth_rate)’. Click ‘ok’ button.

Object finder dynamic.jpg

  • Press alt+enter to accept the definition.

Attribute dynamic.jpg

Expected: You should have this result.

Foxes and Hares diagram 1.2.jpg

  • Select ‘Hares at end’. Select ‘Description’ from the Attribute popup menu. Type ‘The hare population at the end of each time period.’

Attribute Hares at end.jpg

  • Select ‘Definition’ from the Attribute popup menu. Click on the definition field.

Expected: Inputs popup menu should appear.

  • Select ‘Hares at start’.

Attritbute Hares at end 1.1.jpg

  • Click on the ‘Result’ button.

Expected: A result graph window should appear.

Result button 1.1.jpg

Result window.jpg

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