It seems that the profiler UI dose not work well on my matlab2019a, which is an academic use version of matlab2019a bought by Wuhan University, China.
I tried to run the matlab code below on matlab2016a and matlab2019a, respectively.
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[t,y] = ode23('lotka',[0 2],[20;20]);
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Then, the corresponding outputs shown in user interfaces are shown as follows.
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