Loop results in an array

Question

Dude 2016-9-8

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/302415-loop-results-in-an-array

编辑： mbonus 2016-9-8

I've created a loop to calculate the number of rabbits in population after 7 iterations (initial population = 2) with a growth rate of 0.8.

while dt <= 7
    totalRabbits = initialRabbits + (initialRabbits * b * dt)
    initialRabbits = totalRabbits
    dt = dt+1
end

The next thing I need to do is plot the time (1-7) against the population at each time. I'd like to put these values into an array. How can I do this?

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Answer 1

mbonus 2016-9-8

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/302415-loop-results-in-an-array#answer_234223

编辑：mbonus 2016-9-8

在 MATLAB Online 中打开

timevector = [1:7];
rabbitvector = zeros(7,1);%change the value of 7 in the arrays to allow more time steps
dt = 1;
while dt <= 7
  totalRabbits = initialRabbits + (initialRabbits * b * dt)
  initialRabbits = totalRabbits;
  rabbitvector(dt) = totalRabbits;
  dt = dt+1
end