41 | | It seems to be intuitively you want to save the squaring for after taking the FT, since if you do it before, 'you lose information about direction'. For instance, consider the 1D case of the initial condition of colliding flows. If you square the initial condition, you just get a constant function, peaking about k=0. |
| 41 | Intuitively it seems you want to save the squaring for after taking the FT, since if you do it before, 'you lose information about direction'. For instance, consider the 1D case of the initial condition of colliding flows. If you square the initial condition, you just get a constant function, peaking about k=0. |