@article{paperid:1074578, author = {Akram Kheirabadi and Asadollah Mahmoudzadeh Vaziri and Effati, Sohrab}, title = {Solving Fractional Variational Problem Via an Orthonormal Function}, journal = {}, year = {2019}, volume = {7}, number = {2}, month = {May}, keywords = {Fractional optimal control; Sine-Cosine wavelet; Operational matrix; Hat function}, }