Let u (x, t) denote the solution to the partial differential equation with u(x, 0 +
Question:
Let uμ(x, t) denote the solution to the partial differential equation
with u(x, 0+) = δ(x). From (2.3.12), it is seen that
By applying the change of variable: x = y + μt, show that the above equation becomes
With the initial condition: u(y, 0) = δ(y). The new solution is given by
We observe the following relation between u0(y, t) and u0(x, t):
Relate the above result to the Girsanov Theorem.
Transcribed Image Text:
ди at ди = -н - + ax - 1 02и 2 дх2 -∞0 < x < ∞, t > 0.
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