Matlab Function, switch case Problem

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Taihao Li
Taihao Li 2020-11-9
评论： Taihao Li 2020-11-12
I am writing a Matlab Function, using the switch case, in order to be able to determine multiple conditions and output the corresponding value, but when time is equal to 0.3, the simulation will not output the value of this step, it is always skipped. why is this happening? My simulation step size is set to a fixed step size and the step size is 0.1. The input of the function is the clock.
Result graph
Programm:
function y = fcn(u)
switch u
case 0.1
y=1;
case 0.2
y=2;
case 0.4
y=3;
case 0.3
y=4;
otherwise
y=6;
end

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采纳的回答

Fangjun Jiang
Fangjun Jiang 2020-11-9
This is a floating-point data equal or non-equal comparision problem. Do this to get an idea.
>> 1-1/3==2/3
ans =
logical
0
  1 个评论
Taihao Li
Taihao Li 2020-11-12
I understand, the model can work normally after I changed the conditions, thanks for your help!

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