El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$x^{3} e^{\frac{\left(-1\right) x^{2}}{2}} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 0$$
Solución numérica$$x_{1} = 38.7790811658806$$
$$x_{2} = 54.6238789720025$$
$$x_{3} = -15.3719543493537$$
$$x_{4} = 64.5658917779428$$
$$x_{5} = -88.2229502983735$$
$$x_{6} = -58.3379117293521$$
$$x_{7} = 98.4567659263007$$
$$x_{8} = -94.2087404323805$$
$$x_{9} = 12.1328449280158$$
$$x_{10} = 36.8079938535624$$
$$x_{11} = -92.2132715781384$$
$$x_{12} = 48.6701226645287$$
$$x_{13} = 66.5563847093454$$
$$x_{14} = 100.452646437093$$
$$x_{15} = 34.8402334940404$$
$$x_{16} = 86.4854850682606$$
$$x_{17} = 74.5234578976487$$
$$x_{18} = -72.2723853386155$$
$$x_{19} = 62.5760067058934$$
$$x_{20} = -68.2883655916336$$
$$x_{21} = -84.2335484407638$$
$$x_{22} = 84.4910648676636$$
$$x_{23} = -48.4079617577249$$
$$x_{24} = -98.2002318430082$$
$$x_{25} = -66.2970790691966$$
$$x_{26} = 15.6369140263798$$
$$x_{27} = 19.3440577460198$$
$$x_{28} = 52.6381220957011$$
$$x_{29} = -46.4255978438549$$
$$x_{30} = 58.5983087792061$$
$$x_{31} = 56.6106421374305$$
$$x_{32} = 0$$
$$x_{33} = 76.5163018455329$$
$$x_{34} = -62.3161846615402$$
$$x_{35} = 9.1110943668043$$
$$x_{36} = 46.6881807043176$$
$$x_{37} = -38.5145149990981$$
$$x_{38} = -52.3767304492691$$
$$x_{39} = 40.7530070519007$$
$$x_{40} = 90.475065494183$$
$$x_{41} = -32.6100090944663$$
$$x_{42} = -8.91772834751033$$
$$x_{43} = -90.2180036480618$$
$$x_{44} = -78.2514778187773$$
$$x_{45} = 32.8764069546623$$
$$x_{46} = 28.9638194753433$$
$$x_{47} = -17.2056641195146$$
$$x_{48} = 42.7293740952897$$
$$x_{49} = 88.4801575148181$$
$$x_{50} = 27.0172935125658$$
$$x_{51} = -64.3063347112672$$
$$x_{52} = 25.0793618278667$$
$$x_{53} = -96.2043976885187$$
$$x_{54} = 13.8487647352876$$
$$x_{55} = -56.3499325876324$$
$$x_{56} = -8.55062987156994$$
$$x_{57} = -82.2392341923592$$
$$x_{58} = -40.4889847953985$$
$$x_{59} = -34.5744777830081$$
$$x_{60} = -30.6502144139298$$
$$x_{61} = 80.5030563472772$$
$$x_{62} = -44.4448232507818$$
$$x_{63} = 50.6534905004742$$
$$x_{64} = -50.3917260153856$$
$$x_{65} = -19.0748640769328$$
$$x_{66} = -76.2580814045254$$
$$x_{67} = -70.2801480548006$$
$$x_{68} = -11.8842868211123$$
$$x_{69} = 82.4969152441545$$
$$x_{70} = 21.2390490787991$$
$$x_{71} = -13.5895402946673$$
$$x_{72} = -74.2650407418328$$
$$x_{73} = 44.7078556343268$$
$$x_{74} = 96.4610562537712$$
$$x_{75} = -100.196232309562$$
$$x_{76} = 68.5474323794321$$
$$x_{77} = -20.9694776408053$$
$$x_{78} = -24.8103801413209$$
$$x_{79} = -10.3005231895279$$
$$x_{80} = -28.696082191884$$
$$x_{81} = 10.5295841911611$$
$$x_{82} = 94.4655282635732$$
$$x_{83} = -22.8828362348951$$
$$x_{84} = -60.3266879615996$$
$$x_{85} = -54.3628384073489$$
$$x_{86} = 60.5867896075718$$
$$x_{87} = -36.5428497027066$$
$$x_{88} = 17.4735495737472$$
$$x_{89} = -80.2452034122634$$
$$x_{90} = 78.5095103759546$$
$$x_{91} = 72.5310086611438$$
$$x_{92} = -26.7489007803838$$
$$x_{93} = 70.5389876741034$$
$$x_{94} = -42.4658625623877$$
$$x_{95} = 23.1522577088329$$
$$x_{96} = 92.4701937366572$$
$$x_{97} = -86.2281264504675$$
$$x_{98} = 30.9172776966989$$