TY - JOUR T1 - On the Polar Decomposition and Least Squares Problem AU - Jafarian, A. AU - , A. Mohamadalizadeh JO - Journal of Engineering and Applied Sciences VL - 8 IS - 6 SP - 215 EP - 219 PY - 2013 DA - 2001/08/19 SN - 1816-949x DO - jeasci.2013.215.219 UR - https://makhillpublications.co/view-article.php?doi=jeasci.2013.215.219 KW - Linear equations system KW -least squares problem KW -polar and SVD decomposition KW -normal equation KW -Pseudo-inverse matrix AB - This research investigate the way of using the polar decomposition of matrix in solving the least squares problem. By using this decomposition, researchers can solve the liner system. Also, this study included the way of obtaining inverse of a non-singular matrix and determinant of a matrix by this decomposition. Finally, the problem of least squares solved by normal equations and Pseudo-inverse matrix by using the polar decomposition. With solving some example, researchers show that the accuracy of this method. ER -