does anyone know how to make the vertical line (before subscript op) for Taylor's polynomial? Any help will be appreciated!
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Possible duplicate? tex.stackexchange.com/a/122332/218142– LaTeXereXeTaLNov 9, 2020 at 22:13
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Welcome! If you show us a complete, minimal working example (MWE) showing what you've done thus far, we can better help you.– LaTeXereXeTaLNov 9, 2020 at 22:14
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It worked. Thank you so much! I didn't what the symbol is called.– TPSNov 9, 2020 at 22:19
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Glad it worked for you!– LaTeXereXeTaLNov 9, 2020 at 22:21
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Yes, thank you. This is my code \begin{equation} \hat{h}_i(x,y) = h_{i,op} + \left. \frac{\partial h_i}{\partial x} \right|_{op} (x - x_{op}) + \left. \frac{\partial h_i}{\partial y} \right|_{op} (y - y_{op}), \end{equation}– TPSNov 9, 2020 at 22:36
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