Recent content by h_cet

  1. H

    Graduate Understanding the manipulation of Laplacian

    Hi; I am trying to understand the rytov approximation... and when I was studying that, I could not understand a manipilation... ΔeØ + k2eØ = 0 ▼[▼ØeØ] + k2eØ = 0 ▼2ØeØ + (▼Ø)2eØ+k2eØ = 0 I can not understand these manipilations... for a long time, I have searched the properties of...