A new cubic trigonometric Nu-Spline with shape control parameter and its applications Ayesha Munir, Shamaila Samreen, Abdul Ghaffar, Mustafa Inc and Muhammad Sarfraz Eur. Phys. J. Plus, 139 7 (2024) 606 Published online: 10 July 2024 DOI: 10.1140/epjp/s13360-024-05381-y