@techreport{NavaYazdaniHanikAmbellanetal.2022, author = {Esfandiar Nava-Yazdani and Martin Hanik and Felix Ambellan and Christoph von Tycowicz}, title = {On Gradient Formulas in an Algorithm for the Logarithm of the Sasaki Metric}, institution = {ZIB}, address = {Takustr. 7, 14195 Berlin}, number = {22-12}, language = {eng}, year = {2022} }