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	<updated>2026-06-12T20:36:33Z</updated>
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		<title>Leomigotto: Criou página com &#039;&lt;source lang = python&gt; import numpy as np import matplotlib.pyplot as plt #region funcoes def potencial(pos):     forca = np.zeros(2)     forca[0] = -4*alfa*(pos[0]**3) + 2*be...&#039;</title>
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		<updated>2022-10-18T20:56:43Z</updated>

		<summary type="html">&lt;p&gt;Criou página com &amp;#039;&amp;lt;source lang = python&amp;gt; import numpy as np import matplotlib.pyplot as plt #region funcoes def potencial(pos):     forca = np.zeros(2)     forca[0] = -4*alfa*(pos[0]**3) + 2*be...&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Página nova&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;source lang = python&amp;gt;&lt;br /&gt;
import numpy as np&lt;br /&gt;
import matplotlib.pyplot as plt&lt;br /&gt;
#region funcoes&lt;br /&gt;
def potencial(pos):&lt;br /&gt;
    forca = np.zeros(2)&lt;br /&gt;
    forca[0] = -4*alfa*(pos[0]**3) + 2*beta*pos[0]&lt;br /&gt;
    forca[1] = -4*alfa*(pos[1]**3) + 2*beta*pos[1]&lt;br /&gt;
    return forca&lt;br /&gt;
#endregion&lt;br /&gt;
&lt;br /&gt;
codigo = (&lt;br /&gt;
#DIGITE O CÓDIGO AQUI&lt;br /&gt;
201446&lt;br /&gt;
)&lt;br /&gt;
tnovo = (&lt;br /&gt;
500000&lt;br /&gt;
)&lt;br /&gt;
&lt;br /&gt;
valores = np.load(f&amp;quot;.\\#{codigo}\\val#{codigo}.npy&amp;quot;)&lt;br /&gt;
(&lt;br /&gt;
intervalo,      alfa,           beta,           gaminha,        temp,&lt;br /&gt;
dt,             tmax,           npar,           seedinicial&lt;br /&gt;
) = (&lt;br /&gt;
valores[0],     valores[1],     valores[2],     valores[3],     valores[4],&lt;br /&gt;
valores[5],     valores[6],     valores[7],     valores[8]&lt;br /&gt;
)&lt;br /&gt;
&lt;br /&gt;
estadoaleatorio = tuple(np.load(f&amp;quot;.\\#{codigo}\\state#{codigo}.npy&amp;quot;, allow_pickle = True))&lt;br /&gt;
&lt;br /&gt;
xy = np.load(f&amp;quot;.\\#{codigo}\\xy#{codigo}.npy&amp;quot;)&lt;br /&gt;
&lt;br /&gt;
pxy = np.load(f&amp;quot;.\\#{codigo}\\pxy#{codigo}.npy&amp;quot;)&lt;br /&gt;
&lt;br /&gt;
np.random.set_state(estadoaleatorio)&lt;br /&gt;
&lt;br /&gt;
npassos = int(np.round((tnovo - tmax)/dt))&lt;br /&gt;
&lt;br /&gt;
nsalvos = int((npassos/intervalo) + 1)&lt;br /&gt;
&lt;br /&gt;
c1 = np.exp(-gaminha*dt)&lt;br /&gt;
&lt;br /&gt;
c2  = (np.sqrt(1 - np.exp(-2*gaminha*dt)))*np.sqrt(temp)&lt;br /&gt;
&lt;br /&gt;
aleatorios = np.random.normal(0, 1, size = (npassos, 2)) * c2&lt;br /&gt;
&lt;br /&gt;
print(&amp;quot;Tudo pronto, hora de começar!&amp;quot;)&lt;br /&gt;
&lt;br /&gt;
xyatual = xy[-1]&lt;br /&gt;
&lt;br /&gt;
pxyatual = pxy[-1]&lt;br /&gt;
&lt;br /&gt;
xynovo = np.zeros((nsalvos, 2))&lt;br /&gt;
&lt;br /&gt;
pxynovo = np.zeros((nsalvos, 2))&lt;br /&gt;
&lt;br /&gt;
salvador = int(0)&lt;br /&gt;
&lt;br /&gt;
for i in range(0, npassos):&lt;br /&gt;
    #BAOAB 2D SEM PBC COM CAMPO&lt;br /&gt;
    #B&lt;br /&gt;
    pxytemp = pxyatual + dt * (potencial(xyatual))/2&lt;br /&gt;
    #A&lt;br /&gt;
    xytemp = xyatual + dt*pxytemp/2&lt;br /&gt;
    #O&lt;br /&gt;
    pxylinha = c1*pxytemp + aleatorios[i]&lt;br /&gt;
    #A&lt;br /&gt;
    xyatual = xytemp + dt*pxylinha/2&lt;br /&gt;
    #B&lt;br /&gt;
    pxyatual = pxylinha + dt * (potencial(xyatual))/2&lt;br /&gt;
    #FIM DO BAOAB, HORA DE SALVAR&lt;br /&gt;
    salvador+=1&lt;br /&gt;
    if salvador%intervalo == 0:&lt;br /&gt;
        xynovo[int(salvador/intervalo)] = xyatual&lt;br /&gt;
        pxynovo[int(salvador/intervalo)] = pxyatual&lt;br /&gt;
&lt;br /&gt;
print(&amp;quot;Acabou, hora de salvar!&amp;quot;)&lt;br /&gt;
&lt;br /&gt;
xy = np.append(xy, xynovo[1:], axis = 0)&lt;br /&gt;
&lt;br /&gt;
pxy = np.append(pxy, pxynovo[1:], axis = 0)&lt;br /&gt;
&lt;br /&gt;
estadoaleatorio = np.random.get_state()&lt;br /&gt;
&lt;br /&gt;
print(f&amp;quot;O código será {codigo}&amp;quot;)&lt;br /&gt;
&lt;br /&gt;
tmax = tnovo&lt;br /&gt;
&lt;br /&gt;
informacoesleitura = (f&amp;quot;&amp;quot;&amp;quot;Infos do código {codigo}&lt;br /&gt;
intervalo = int(&lt;br /&gt;
#DE QUANTOS EM QUANTOS O PROGRAMA SALVA OS DADOS (EVITA ARQUIVOS EXCESSIVAMENTE PESADOS PRA TEMPOS LONGOS)&lt;br /&gt;
#OU DTS PEQUENOS, 1 PRA USAR TODOS&lt;br /&gt;
{intervalo}&lt;br /&gt;
)&lt;br /&gt;
#ALFA E BETA SÃO DO CAMPO POTENCIAL&lt;br /&gt;
alfa = (&lt;br /&gt;
{alfa}&lt;br /&gt;
)&lt;br /&gt;
beta = (&lt;br /&gt;
{beta}&lt;br /&gt;
)&lt;br /&gt;
gaminha = (&lt;br /&gt;
#RELATIVO AO RUIDO ESTOCASTICO&lt;br /&gt;
{gaminha}&lt;br /&gt;
)&lt;br /&gt;
temp = (&lt;br /&gt;
{temp}&lt;br /&gt;
)&lt;br /&gt;
dt = (&lt;br /&gt;
{dt}&lt;br /&gt;
)&lt;br /&gt;
t = (&lt;br /&gt;
{tmax}&lt;br /&gt;
)&lt;br /&gt;
seedinicial = (&lt;br /&gt;
#SÓ USE DE NOVO SE FOR PRA FAZER DO ZERO IGUAL&lt;br /&gt;
{seedinicial}&lt;br /&gt;
)&amp;quot;&amp;quot;&amp;quot;)&lt;br /&gt;
&lt;br /&gt;
valores = np.zeros(9)&lt;br /&gt;
(&lt;br /&gt;
valores[0],     valores[1],     valores[2],     valores[3],     valores[4],&lt;br /&gt;
valores[5],     valores[6],     valores[7],     valores[8]&lt;br /&gt;
) = (&lt;br /&gt;
intervalo,      alfa,           beta,           gaminha,        temp,&lt;br /&gt;
dt,             tmax,           npar,           seedinicial&lt;br /&gt;
)&lt;br /&gt;
&lt;br /&gt;
print(&amp;quot;Hora de salvar os arquivos...&amp;quot;)&lt;br /&gt;
&lt;br /&gt;
np.save(f&amp;quot;.\\#{codigo}\\state#{codigo}.npy&amp;quot;, estadoaleatorio, allow_pickle = True)&lt;br /&gt;
&lt;br /&gt;
np.save(f&amp;quot;.\\#{codigo}\\val#{codigo}.npy&amp;quot;, valores)&lt;br /&gt;
&lt;br /&gt;
np.save(f&amp;quot;.\\#{codigo}\\xy#{codigo}.npy&amp;quot;, xy)&lt;br /&gt;
&lt;br /&gt;
np.save(f&amp;quot;.\\#{codigo}\\pxy#{codigo}.npy&amp;quot;, pxy)&lt;br /&gt;
&lt;br /&gt;
arquivo = open(f&amp;quot;.\\#{codigo}\\info#{codigo}.txt&amp;quot;, &amp;quot;w&amp;quot;)&lt;br /&gt;
&lt;br /&gt;
arquivo.write(f&amp;quot;{informacoesleitura}&amp;quot;)&lt;br /&gt;
&lt;br /&gt;
arquivo.close()&lt;br /&gt;
&lt;br /&gt;
print(f&amp;quot;Tudo certo! Código {codigo}.&amp;quot;)&lt;br /&gt;
&amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Leomigotto</name></author>
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