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Simulink block for determining output value based on a simple if statement regarding the input value?

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Kevin Bachovchin
Kevin Bachovchin 2016-3-5
关闭： MATLAB Answer Bot 2021-8-20
Hello,
Is there a Simulink block where I can determine the output value of a block based on a simple if statement regarding the input value to the block?
For example, I'm looking for a block that can do something similar to the following snippet of code
%u1 is the input to the block and u2 is the output
if u1 > threshold
u2 = 1
elseif u1 < -threshold
u2 = -1
else
u2 = 0;
end
I'm aware that I could do this by placing a MATLAB function in my Simulink block diagram, but I'm thinking for something this simple, there's probably some built-in Simulink block for doing this. The Simulink "if" block (<http://www.mathworks.com/help/simulink/slref/if.html>) does not seem to what I'm looking for. Is there some other block that can do what I want?
Thank you,
Kevin

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