============================================== Error 1: tmin = 3.00 > tmax = 2.00 PEXError: Bad PEX OC OC code: 88 Request code: 28 ============================================== ============================================== Error 2: tmin = 0.00 < knots[order-1] = 1.00 PEXError: Bad PEX OC OC code: 88 Request code: 28 ============================================== ============================================== Error 3: tmax = 10.00 > knot_vector[control_pts] = 5.00 PEXError: Bad PEX OC OC code: 88 Request code: 28 ==============================================