<div class="__aliyun_email_body_block"><div  style="clear:both;"><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;">Hello All</span></div><div  style="clear:both;"><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;"><br ></span></div><div  style="clear:both;"><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;">Recently, i am using CLP to build a LP model. However, if i chose to build and solve the model directly in COIN without reading the model from MPS file, i am told that the model is infeasible (code in M2). If i write the same model to the MPS file and then read this file, the model can be solved (M3).</span></div><div  style="clear:both;"><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;"><br ></span></div><div  style="clear:both;"><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;"></span><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;">Could you guys please see the model in attached M2, and help me to find why is this?</span></div><div  style="clear:both;"><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;"><br ></span></div><div  style="clear:both;"><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;">Best,</span></div><div  style="clear:both;"><span  style="color:#000000;font-family:Tahoma,Arial,STHeiti,SimSun;font-size:14.0px;"><br ></span></div></div>