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BartSMP [9]
3 years ago
11

Using the phase plane program, plot the phase plane for the Lotka-Volterra model:

Computers and Technology
1 answer:
ivanzaharov [21]3 years ago
7 0

Answer:

yes, the model gives a realistic behavior

Explanation:

This describes the inner equilibrium point is a stable node, here it's a center. These are periodic solutions. Populations of the mice and owls are periodic. It describes: when the mice population is lower, the owl population decreases; again the owl is lower so mice got a chance to grow its population; now as sufficient food(mice) is there, the owl population increases; as predator population increases, the prey population decreases; and this continues as a cycle forever.

So, yes, the model gives a realistic behavior.

Check attachment

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Answer:

Explanation:

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def checkString(word):

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   consonants = 0

   punctuation = 0

   vowelArray = ['a', 'e', 'i', 'o','u', 'y' ]

   consonantArray = ['b', 'c', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm', 'n', 'p', 'q', 'r', 's', 't', 'v', 'w', 'x', 'y', 'z']

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       else:

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       if char.lower() in vowelArray:

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       if char in punctuationArray:

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   print('Uppercase: ' + str(uppercase))

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   print('Vowels: ' + str(vowel))

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   print('Punctuations: ' + str(punctuation))

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