+ Grid(col: int)
+ Grid(row: int, col: int)
+ setConcentrations(concentrations: MatrixXd)
+ getConcentrations(): MatrixXd
+ setAlpha(alpha: MatrixXd)
+ setAlpha(alpha_x: MatrixXd, alpha_y: MatrixXd)
+ getAlphaX(): MatrixXd
+ getAlphaY(): MatrixXd
+ getDim(): int
+ getRow(): int
+ getCol(): int
+ setDomain(domain_col: int)
+ setDomain(domain_row: int, domain_col: int)
+ getDeltaCol(): double
+ getDeltaRow(): double