11 Nov
2018
11 Nov
'18
2:12 a.m.
Hello, I calculated a boundary condition <D VAR="u" VALUE="-y^2+1.0" /> and had found that the expression "-y^2+1.0" had calculated as "(-y)^2+1.0". The "1-y^2" and the "-(y^2)+1.0" are OK. Alexander.