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Python tutorial: Creating contour plots with NumPy meshgrid

Learn how to create contour plots in Python using NumPy’s meshgrid and Matplotlib. This step-by-step tutorial shows you how to generate grids, compute functions over them, and visualize data ...

Power Query Isn’t Required: New Excel Functions Handle Straightforward Sources Cleanly

Use formulas instead of Power Query for tidy files, with a visible source path and clear parameters that teammates can review ...