Deveopment or evolve of a small species

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Discussion Overview

The discussion centers around modeling the development or evolution of a small species, specifically focusing on population growth and its mathematical representation. Participants explore various models and seek guidance on the origins of the equations used in these models, particularly in the context of tumor development in humans.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • One participant inquires about mathematical equations for modeling species development and expresses uncertainty about where to find them.
  • Another participant suggests that while there are models for speciation, they may not be of practical value, and emphasizes the distinction between evolution and population growth models.
  • A participant clarifies their focus on population growth, mentioning a specific model involving squares growing within a probability range, and expresses a desire to understand the derivation of the equations used.
  • One reply notes that tumor modeling is complex and recommends looking into textbooks for foundational knowledge, acknowledging the assumption that readers have basic understanding of the subject.
  • Another participant suggests specific mathematical biology textbooks and mentions concepts like rate growth and rate decay, indicating that knowledge of derivatives is important for understanding these models.
  • A participant confirms they have purchased a basic textbook to aid their understanding.

Areas of Agreement / Disagreement

Participants express varying levels of understanding and experience with the topic, and while there is a shared interest in modeling population growth, there is no consensus on the specific equations or models to use. The discussion remains exploratory with multiple viewpoints presented.

Contextual Notes

Participants mention the complexity of tumor modeling and the assumption of prior knowledge in mathematical biology, indicating that foundational concepts may be necessary for deeper understanding. There is also a noted lack of clarity on the origins of specific equations in the literature.

NorrisP
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In oder to model a deveopment or evolve of a small species, i heard i shold use matthematicall. But, I am not know where I can get the matthematicall equations ? you do this before ? can you help me ?

Thanks
 
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What, exactly, are you trying to model?

If you are attempting to model the evolution of a species then, as far as I know, there are no such models (and if they do exist they would be of dubious value). People have modeled "speciation" with an emphasis on stability of species and how they react to certain changes but this is more a mathematical curiosity at this state.

I suspect you are thinking about "evolution" in the sense of population growth. There are many models to choose from ranging from linear growth to exponential growth to predator-prey models to the more sophisticated Verhulst models.
 
Thank you replying, I model one square, and one square grow to many square in a probaility range. yes it is model population growth.
But i want to see where the equations come from. I read jurnals but jurnals don't say where the equations come from, only say where the ratio, used in that equations, is taken from.
in general, how can we make equations like that.
I do a project in computer, it about model development of tumors in human body.
 
That's a fairly specialized and complex system for modelling. There are many models that people have developed. While the journals often take it for granted that the reader has basic knowledge it may be more appropriate for you to look into textbooks dealing with the subject.

I don't have firsthand experience with tumor modelling so I can't be of much help but you may find books like this one to be educational: http://www.springer.com/sgw/cda/frontpage/0,11855,4-10047-22-52089065-0,00.html

(Unfortunately, it won't be published until June. You can use Google to search for similar textbooks in the meantime.)
 
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pick up a mathematical biology textbook like Keshet's...and you'll see how they derive the equations. You may be able to find stuff in an intro to calculus book on Rate Growth(~population growth) and Rate Decay(~death)
which are also called the mortality rates in mathbio.
Hopefully you know stuff about derivatives and change over time. Then all it is, is fiddling with parameters or constants.
 
thank you, i buy basic texbook :grin:
 

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