-- Feynman and Hibbs problem 4-12 X = (X1,X2,X3) "Verify equation (1)" A = i / (2 m hbar) T B = i / hbar Xk check(pi / A == 2 pi m hbar / (i T)) check(B^2 / (4 A) == i m Xk^2 / (2 hbar T)) "ok" "Verify equation (2)" I(k) = sqrt(2 pi m hbar / (i T)) exp(i m X[k]^2 / (2 hbar T)) K = I(1) I(2) I(3) / (2 pi hbar)^3 check(K == (m / (2 pi i hbar T))^(3/2) exp(i m dot(X,X) / (2 hbar T))) "ok" Run