El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$e^{- x^{2}} x^{3} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 0$$
Solución numérica$$x_{1} = 20.7479314996228$$
$$x_{2} = 62.4131430986954$$
$$x_{3} = 68.3988223145819$$
$$x_{4} = 11.2128644179197$$
$$x_{5} = -50.1961086715478$$
$$x_{6} = -30.3261189698642$$
$$x_{7} = 88.365127919663$$
$$x_{8} = 94.3578046469488$$
$$x_{9} = 18.8014970353356$$
$$x_{10} = 48.460360076985$$
$$x_{11} = -48.2042579827664$$
$$x_{12} = -52.1885839512112$$
$$x_{13} = -7.53156825032387$$
$$x_{14} = 100.254986724077$$
$$x_{15} = 56.4305102321568$$
$$x_{16} = -46.2131128974913$$
$$x_{17} = -26.3758590891807$$
$$x_{18} = 82.3735183307739$$
$$x_{19} = 36.5296890221547$$
$$x_{20} = -22.4433921913445$$
$$x_{21} = -40.2449623872129$$
$$x_{22} = -84.1168264203953$$
$$x_{23} = -54.1816147407581$$
$$x_{24} = 22.703790669947$$
$$x_{25} = 86.3677951940797$$
$$x_{26} = 32.564170752054$$
$$x_{27} = -58.1691139195057$$
$$x_{28} = -24.4068563280103$$
$$x_{29} = -94.1044073220242$$
$$x_{30} = 28.6083102480391$$
$$x_{31} = -96.1022341915021$$
$$x_{32} = -6.1431953699454$$
$$x_{33} = 66.4033083548163$$
$$x_{34} = -92.1066755511357$$
$$x_{35} = -28.3492337221477$$
$$x_{36} = 14.9520540554726$$
$$x_{37} = 40.502013799559$$
$$x_{38} = 76.3832270865133$$
$$x_{39} = 52.4442967615341$$
$$x_{40} = -20.4870873020987$$
$$x_{41} = -16.6063498006715$$
$$x_{42} = 24.6667996728827$$
$$x_{43} = -88.1115205542714$$
$$x_{44} = 9.42921527739122$$
$$x_{45} = -32.305865345827$$
$$x_{46} = -56.1751417743505$$
$$x_{47} = 70.3945911754729$$
$$x_{48} = -36.2720551207118$$
$$x_{49} = 90.3625787098577$$
$$x_{50} = 34.5459316443035$$
$$x_{51} = -82.1196732039511$$
$$x_{52} = 38.5151327941768$$
$$x_{53} = -60.1634868293437$$
$$x_{54} = -18.5402604515455$$
$$x_{55} = -98.0051040636018$$
$$x_{56} = 6.32731391604695$$
$$x_{57} = 72.3905938255712$$
$$x_{58} = -70.1401641311174$$
$$x_{59} = 80.3765935263844$$
$$x_{60} = -76.1291111455916$$
$$x_{61} = -9.17906487822782$$
$$x_{62} = 84.3705889275661$$
$$x_{63} = 46.4694290841868$$
$$x_{64} = 16.8678317532117$$
$$x_{65} = -90.1090442796583$$
$$x_{66} = 58.424324813336$$
$$x_{67} = -68.1442810629434$$
$$x_{68} = 42.4901295698747$$
$$x_{69} = -80.1226621201852$$
$$x_{70} = 26.6353586217531$$
$$x_{71} = 60.4185488774423$$
$$x_{72} = 13.0623887258733$$
$$x_{73} = -66.1486469797089$$
$$x_{74} = -10.9552618079185$$
$$x_{75} = 78.3798256707903$$
$$x_{76} = 92.3601399289008$$
$$x_{77} = -78.1258040816885$$
$$x_{78} = 7.76292981718488$$
$$x_{79} = 0$$
$$x_{80} = -38.2578004439323$$
$$x_{81} = -86.1141118754775$$
$$x_{82} = 44.4793138988278$$
$$x_{83} = -72.1362754882167$$
$$x_{84} = -42.2333401327551$$
$$x_{85} = 54.4371502283203$$
$$x_{86} = 98.2550903677723$$
$$x_{87} = 50.4520100131747$$
$$x_{88} = -100.004995953094$$
$$x_{89} = 74.3868114203667$$
$$x_{90} = -14.6906791055185$$
$$x_{91} = -12.8019398658538$$
$$x_{92} = 64.4080730268329$$
$$x_{93} = -64.1532851550392$$
$$x_{94} = -74.1325966688074$$
$$x_{95} = -62.1582218540192$$
$$x_{96} = -44.2227690478322$$
$$x_{97} = 96.3555658304713$$
$$x_{98} = -34.2879739120993$$
$$x_{99} = 30.5847971351306$$