16 Mar
                
                    2015
                
            
            
                16 Mar
                
                '15
                
            
            
            
        
    
                2:53 p.m.
            
        I'd be happy to discuss more today. (I need a little more detail to understand the question.) -- Marie
On 16 Mar 2015, at 08:48, Colin Cotter <colin.cotter@imperial.ac.uk> wrote:
To make this work, you need to consistently choose "+" or "-" for the normal. Is it the convention that positive H(div) basis coefficient leads to positive value of u.n("+")? I guess this is the real question I wanted to ask Marie yesterday, but hadn't formulated it right in my head.