quiverInLogScale

Plots matlab quiver with log scaling while maintaining proper arrows directions.

Normally when using quiver, the arrows' size change linearly with the data. However, sometimes the data will appear more naturally in a logarithmic scale, and plotting this is not possible using matlab builtin function. Simply adding a "log" on the velocity data would not work, as it would screw up the angles.
This file rescales the velocity data to be logarithmic, which maintaining the angles between the data points.
Based on this thread:
https://www.mathworks.com/matlabcentral/answers/271952-how-to-create-a-quiver-plot-with-logarithmic-scaled-arrows