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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Forum: Forum for Python Subject: Message: * HTML is OFF * Forum Code is ON Smilies Need help, I tried to calucate column values using Python function, as decribed below. But I got an error message like, '<' not supported between instances of 'list' and 'int', I could solve this with my Juypter notebook, but no idea how to do debugging. At Set Colume values "Col(E)" = 'py.J(5, 270/col('Temp'), "Python Function" import numpy as np from scipy.integrate import quad def J(n, y): integrand = lambda x: (x**n) / ((np.exp(x) - 1)*(1 - np.exp(-x))) result, _ = quad (integrand, 0, y) return result Error as below >> Traceback (most recent call last): File "C:\Users\zsung\AppData\Local\OriginLab\101\TMP\pyTmp\_SCV.py", line 7, in J result, _ = quad (integrand, 0, y) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\ProgramData\OriginLab\PyPackage\Py311\64bit\scipy\integrate\_quadpack_py.py", line 433, in quad flip, a, b = b < a, min(a, b), max(a, b) ^^^^^ TypeError: '<' not supported between instances of 'list' and 'int'   Check here to subscribe to this topic.