我们所熟知的土柱实验,其微分方程如图片所示:
如何判断其边界条件。
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def get_myclass(columns,similarity_df,threshold):
myclass = {0:[]}
row_col_names_init = columns.copy()
i = 0
j = 1
while True:
row_col_names_init = row_col_names_init-set(myclass[i])
print(len(row_col_names_init))
if len(row_col_names_init)<=2:
myclass[j] = row_col_names_init
break
similarity_test = similarity_df.loc[row_col_names_init,row_col_names_init]
try:
myclass[j] = get_submatrix(similarity_test,threshold)
except:
threshold -= 0.01
continue
if len(myclass[j]) > 1:
myclass[j] = filter_submatrix(myclass[j],similarity_df)
else:
myclass[j] = myclass[j][0]
print(j,myclass[j])
print(threshold)
i += 1
j += 1
return myclass