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HELLO TO EVERYONE.
I SIMULATE A BUILDING AND AT THE BEGINNING I PUT THE BUILDINGS DATA AND THE MAIN REQUIRED COMPONENTS APPEARED AND CONNECTED. ONE OF THEM IS A EQUATION NAMED �RADIATION� WHICH CHECKS IF SOME RADIATIONS ARE POSITIVE WITH THE EQUATION ��RADIATION1=MAX (INPUT,O).
WHAT DOES THIS MEAN? IS IT POSSIBLE THE RADIATIONS TO BE LOWER THAN ZERO??
THANK YOU IN ADVANCE
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