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Proper way of constructing and displaying quantities using Astropy in Jupyter Notebooks
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| # Science | |
| from astropy.units import Unit | |
| import numpy as np | |
| # Notebook | |
| from IPython.display import Markdown | |
| from IPython.core.interactiveshell import InteractiveShell | |
| InteractiveShell.ast_node_interactivity = "all" | |
| # Handy functions | |
| def Qshow(Q, sigfig=2, unit=None): | |
| if unit is not None: | |
| Q = Q.to(unit) | |
| Q = Q.round(sigfig - int(np.log10(Q.value))) | |
| if Q.info.name is not None: | |
| output = Markdown(f'{Q.info.name} = {Q._repr_latex_()}') | |
| else: | |
| output = Markdown(f'{Q._repr_latex_()}') | |
| return output | |
| # Parameter | |
| density = 2 * Unit('g/cm^3') | |
| density.info.name = r'$\rho$' | |
| Qshow(density) |
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