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My function isn't returning an array for an answer with an input array

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Kylenino Espinas 2020-10-8

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评论： Stephen23 2020-10-8

采纳的回答： Walter Roberson

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function [bodyMassIndex] = CalculateBMI(massKg, heightCm)
% Define a function CalculateBMI
% Input:   massKg: Mass in kg
%          heightCm: Height in cm
% Output:  bodyMassIndex: Resulting BMI given mass and height
heightCm = heightCm / 100;
heightCm = nthroot(heightCm, 1/2);
bodyMassIndex= massKg / heightCm;
end

CalculateBMI([75, 90, 118], [178, 180, 200])

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Stephen23 2020-10-8

You used the wrong type of division operator:

https://www.mathworks.com/help/matlab/matlab_prog/array-vs-matrix-operations.html

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采纳的回答

Walter Roberson 2020-10-8

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bodyMassIndex= massKg ./ heightCm;

The operator you used, /, is about the same as if you had written

bodyMassIndex= massKg * pinv(heightCm);

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