How to create a plot for an array?

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PJ
PJ 2018-10-15
回答： Bob Thompson 2018-10-15
So lets say that I have an array of GPAs and Student IDs.
Info = [52211 3.55; 52922 1.79; 51939 3.33; 12140 0.81]
How can I plot the GPAs based on the their rank? So the GPA 3.55 is #1, 3.33 is #2, 1.79 is #3, and 0.81 is #4.
  2 个评论
Bob Thompson
Bob Thompson 2018-10-15
What kind of plot do you want? Scatter, line, bar, pie? Do you just want to have them against their rank? Labeled by their SID?
PJ
PJ 2018-10-15
编辑：PJ 2018-10-15
Scatter and just against their rank. The SID is essentially irrelevant.

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回答（1 个）

Bob Thompson
Bob Thompson 2018-10-15
Infos = sortrows(Info,2);
Infos = flip(Infos,1);
Infos(:,3) = [1:size(Infos,1)]';
scatter(Infos(:,3),Infos(:,2));

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