Recent content by hiufung880319

  1. H

    Undergrad Can Vector v Be Expressed as a Linear Combination of v1, v2, v3, and v4?

    This row operation is not difficult. Even you got the answer, you better try it again by yourself.
  2. H

    Quantum Mechanics particle in a box question

    sin(2pi+kx) = sin(kx)...you need to add n in somewhere for your answer of part i. about the problem of part III i think the method is in many textbook. 1.Separation of variable. 2.Apply boundary conition for both x and y 3.Get energy eigen value