Use a for loop to determine the sum of the first ten even terms in the series 5k3 (k=2, 4, 6, ….)

Question

Tika 2022-10-20

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https://ww2.mathworks.cn/matlabcentral/answers/1831853-use-a-for-loop-to-determine-the-sum-of-the-first-ten-even-terms-in-the-series-5k3-k-2-4-6

编辑： James Tursa 2022-10-20

I have the following but shows error. Please help

for k=2:10

total=5.*k^3;

end

disp('sum of the first ten even terms is: ')

disp(total)

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Answer 1

James Tursa 2022-10-20

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https://ww2.mathworks.cn/matlabcentral/answers/1831853-use-a-for-loop-to-determine-the-sum-of-the-first-ten-even-terms-in-the-series-5k3-k-2-4-6#answer_1080043

编辑：James Tursa 2022-10-20

You are summing all the terms with 2:10. For the "even" terms you need to skip the odd ones, so the range would be 2:2:something (the middle 2 means every other value starting at 2). You just need to figure out what the "something" value is in order to get ten even terms.