MATLAB: Using function simple equation doesn’t work

function block simple equation doesnt worksimulink

Hello guys,
Could you tell me why my function doesn't work, without block "fcn" – "Pikr1" everything works and scope shows me results.
How to use this "fcn" block, I would like to put there my own variable which is counted from output "p".
matlabscreeen.JPG
Greetings,
Krystian

Best Answer

  • Next time, I ask you to add more info so people can help you easily and not only with a photo.
    The problem here is the block fcn "Pikr1" accepts as parameter a formula with the input u. So if you want to do p*p you have to input in the fcn block the formula u*u.