what is non orthonormal in an optimization problem what is non orthogonal in pca? what is the main role of trying to find orthogonal components in pca? what is the role of trying to find orthogonal components in pca? what is the main role of the orthogonal constraint in pca what is the role of trying to find orthogonal components in pca? what is non orthogonality in pca? what is the role of the non orthonormal constraint what is non orthonormal pca what is the role of only trying to find orthogonal components in a pca what would an optimization under a non orthonormal constraint produce as long as the solution is non zero? what is a non orthonormal constraint what is non orthonormal what is non orthogonality in pca analysis what is the role of finding orthogonal parts in pca? what is the role of only trying to find orthogonal components in pca what is the role of only trying to find orthogonal components in pca? what is non orthogonal in pca how to find orthogonal direction in pca what is the main role of only trying to find orthogonal components in pca?