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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Dear TRNSYS users,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Christmas approaches, and we found an amazing issue concerning TRNSYS equations that we would like to share with you.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>A day, we created a new equation in TRNSYS, taping (by error) the following expression :<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.5pt;font-family:"MS Sans Serif"'>new = max(12),7<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.5pt;font-family:"MS Sans Serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>you could think that TRNSYS reports an error…but you are wrong : the result was 12 (try to plot it !)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>We was just thinking that TRNSYS is so smart that it corrects our error, when we had a doubt. We tried to change the expression in :<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.5pt;font-family:"MS Sans Serif"'>new = (max(12),7)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>and in this case, TRNSYS crashed giving us a horrible statement : “forrtl : severe (408): fort: (3) : Subscript #1 of the array STACK has value 0 which is less than the lower bound of 1”…<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>But variety is the spice of live, than we tried another expression again : <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.5pt;font-family:"MS Sans Serif"'>new = 0*(max(12),7)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:8.5pt;font-family:"MS Sans Serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>You can imagine how we were surprised when TRNSYS plotted a constant value of…84 !!!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Definitely, we decided to write a letter to Santa Claus to help us to solve this riddle…<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Merry Christmas to the TRNSYS group!<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-family:"Tahoma","sans-serif";color:#58595B'>Marcello Caciolo</span></b><span style='font-family:"Tahoma","sans-serif";color:#58595B'><br></span><span style='font-size:9.0pt;font-family:"Tahoma","sans-serif";color:#58595B'>Responsable Outils et Méthodes d'Analyse Energétique</span><span style='font-family:"Tahoma","sans-serif";color:#58595B'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'><img width=170 height=62 id="Image_x0020_1" src="cid:image001.jpg@01D01EC5.77F219D0" alt="cid:image003.jpg@01CD4E08.954D04D0"></span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'><br><b><br></b>C</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'>ellule Efficacité Energétique et Environnementale - Pôle Projets et Réalisations<br>46 Boulevard de la Prairie au Duc<br>BP 40119 - 44201 Nantes Cedex 02</span><span style='font-size:9.0pt;font-family:"Tahoma","sans-serif"'><br></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'>Tél.: +33 02 40 41 06 57</span><span style='font-size:9.0pt;font-family:"Tahoma","sans-serif"'><br><a href="mailto:prenom.nom@aximaseitha-gdfsuez.com">marcello.caciolo@cofelyaxima-gdfsuez.com</a></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:gray'><o:p></o:p></span></p><p class=MsoNormal><span style='font-family:Webdings;color:#339966'>P</span><span style='font-size:10.0pt;font-family:Webdings;color:#339966'> </span><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#339966'>Pensez à l'environnement avant d'imprimer ce message</span></b><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>