- #1
neu
- 230
- 3
Very basic question which has confused me:
if the variance of an expectation value <A> is:
uncertainty of [tex]A=<(A-<A>)^2>^0.5 [/tex]
how is this equal to:
[tex](<A^2>-<A>^2)^0.5 [/tex]
??
if the variance of an expectation value <A> is:
uncertainty of [tex]A=<(A-<A>)^2>^0.5 [/tex]
how is this equal to:
[tex](<A^2>-<A>^2)^0.5 [/tex]
??
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