Leaf type = Planophile Angle beta exact 5.00 0.2251 0.2205 15.00 0.2179 0.2073 25.00 0.1847 0.1825 35.00 0.1456 0.1491 45.00 0.1066 0.1111 55.00 0.0707 0.0731 65.00 0.0401 0.0397 75.00 0.0167 0.0149 85.00 0.0024 0.0017 beta distribution Sum of leaf angle distribution = 1.0098 Mean leaf angle = 26.8582 Exact solution Sum of leaf angle distribution = 1.0000 Mean leaf angle = 26.8558 Analytical solution Mean leaf angle = 26.7622 Ross index beta distribution = 0.4888 Exact solution = 0.4764