<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000'>Hello everyone, <div>I am trying to modify the Laplacian operator, but I cannot find a good and easy way to do it. If anyone has a solution it will be really helpful</div><div><br></div><div>Thanks</div><div>Vikash</div></div></body></html>