Function that will select one of two data sets

Question

Kevin Burg 2021-6-23

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/862915-function-that-will-select-one-of-two-data-sets

回答： Image Analyst 2021-6-23

I am trying to set up a function that will pick one of two data sets. If a set parameter is postive I want this to be from the first data set. If a set parameter is negative I want the second data set used. Here is basic structure of what I have so far but I do not think I have the logic correct.

function [ x y ] = donor( set_ind )
global vols sets
ind_first   = sets.set_dat(set_ind).first;
ind_second   = sets.set_dat(set_ind).second;
if z > 0
    [ x y ] = ind_first;
elseif z < 0
    [ x y ] = ind_second;
end
end

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Answer 1

Image Analyst 2021-6-23

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/862915-function-that-will-select-one-of-two-data-sets#answer_731065

在 MATLAB Online 中打开

Try

function [xy] = donor(setIndex)
global sets
if rand(1) > 0.5
    xy = sets.set_dat(setIndex).first;
else
    xy = sets.set_dat(setIndex).second;
end
end