-1
/ 2 \ ---
| sign (x) 2*sign(x)| |x|
|2*DiracDelta(x) + -------- - ---------|*e
| 2 x |
\ x /
---------------------------------------------
2
x
$$\frac{\left(2 \delta\left(x\right) - \frac{2 \operatorname{sign}{\left(x \right)}}{x} + \frac{\operatorname{sign}^{2}{\left(x \right)}}{x^{2}}\right) e^{- \frac{1}{\left|{x}\right|}}}{x^{2}}$$
-1
/ 3 2 \ ---
| sign (x) 8*DiracDelta(x) 6*sign (x) 6*sign(x) 6*DiracDelta(x)*sign(x)| |x|
|2*DiracDelta(x, 1) + -------- - --------------- - ---------- + --------- + -----------------------|*e
| 4 x 3 2 2 |
\ x x x x /
---------------------------------------------------------------------------------------------------------
2
x
$$\frac{\left(2 \delta^{\left( 1 \right)}\left( x \right) - \frac{8 \delta\left(x\right)}{x} + \frac{6 \delta\left(x\right) \operatorname{sign}{\left(x \right)}}{x^{2}} + \frac{6 \operatorname{sign}{\left(x \right)}}{x^{2}} - \frac{6 \operatorname{sign}^{2}{\left(x \right)}}{x^{3}} + \frac{\operatorname{sign}^{3}{\left(x \right)}}{x^{4}}\right) e^{- \frac{1}{\left|{x}\right|}}}{x^{2}}$$