Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Question about integral

  1. Apr 15, 2010 #1
    when can i put the expectation symbol inside an integral?

    under what occasions does this E \int f(x)dx=\int E(f(x))dx satisfy
  2. jcsd
  3. Apr 15, 2010 #2


    User Avatar
    Science Advisor

    The expectation operator is basically an integral, so you can put it under the integral sign as long as the conditions for interchanging the order of integration hold.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook