matlab function initiaizing the parameter

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teesside university
I'm using embedded matlab function for my project. How to initialize the parameter just once at the beginning? some sort like this: kp = 0 (initialize once only) (the value of kp is updated after every loop running)....for more details i am using embeded matlab function to control the water flow rate in LAB flow rig control system ,,,Is that possible way of controlling ???

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回答（1 个）

Kaustubha Govind
Kaustubha Govind 2012-3-15
You can create kp as a persistent variable. For example:
function myTest()
persistent kp;
if isempty(kp)
kp = 0; % only initialized the first time
end
kp = kp + 1;
end

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