jupyter notebook美化
jt -t gruvboxl -f fira -fs 13 -cellw 90% -ofs 11 -dfs 11 -T
jupyter nbextension enable codefolding/main
jupyter nbextension enable code_prettify/code_prettify
jupyter nbextension enable collapsible_headings/main
調用matlab
import matlab
import matlab.engine
engine = matlab.engine.start_matlab()
保存成mat格式
scio.savemat("F:MATLAB Code/xyz_ellipse.mat",{'X':X,'Y':Y,'Z':Z})
求逆矩陣
mat.I
os操作
import os
os.remove(file)
os.path.getsize(file)
os.chdir(directory)
cwd = os.getcwd()
os.walk(dir)
for root,dirs,files in os.walk(dir):
print(root,dirs,files)
os.listdir(dir)
DataFrame
df.set_index(["Column"], inplace=True)
df.rename(columns={'a':'dddd'}, inplace=True)
Powershell
Remove-Item ---- rm
數組排序
a.sort()
a.sort(reverse=True)
a.reverse()
sorted(a,reverse=True)
np.argwhere(np.isnan(a))
test[np.logical_not(np.isnan(test))]
test[~np.isnan(test)]