What physical and breathing practices would help during painful days of cluster headache? 1. Spot jogging (20 - 40) with awareness of the feet and toes while counting the steps and suggesting that you are pushing the prana down to the feet.
Usually sets of geometric transformations are considered such that each finite sequence of transformations in the set can be replaced by one transformation of the set, and a transformation inverse to any of those considered also belongs to the given set.
The Fourier Transform is the mathematical tool that shows us how to deconstruct the waveform into its sinusoidal components. This has a multitude of applications, aides in the understanding of the universe, and just makes life much easier for the practicing engineer or scientist.