20240515 21:55:05 +0200  marked best answer  How to find linear dependences between rational functions
For example, let
then, it is easy to check that C1C2C3=0. However, how to find this relation automatically? It does not seem that pari lindep can do it (which indeed is quite clear when reading pari doc): returns NB. Any Sagemath solution is welcome, even without using pari! 
20240515 14:22:16 +0200  asked a question  How to find linear dependences between rational functions How to find linear dependences between rational functions Assume I have a list of multivariable rational functions Assu 
20240515 14:22:14 +0200  asked a question  How to find linear dependences between rational functions How to find linear dependences between rational functions Assume I have a list of multivariable rational functions Assu 
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20240501 21:12:55 +0200  edited question  What does Gosper_term ? What does Gosper_term ? To evaluate a hypergeometric sum $$\sum_{n=1}^{N}f(n)$$ where $f(n+1)/f(n)$ is a rational fracti 
20240501 17:54:05 +0200  asked a question  What does Gosper_term ? What does Gosper_term ? To evaluate a hypergeometric sum $$\sum_{n=1}^{N}f(n)$$ where $f(n+1)/f(n)$ is a rational fracti 
20240326 15:16:11 +0200  marked best answer  Powers in modular arithmetic How can I detect if an integer n modulo q (not necessary a prime number) is a bpower for a given integer b? Something like Integers(q)(n).is_power(b) that would return:

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20240326 15:02:10 +0200  commented answer  Powers in modular arithmetic That's perfect, thanks! I had forgotten how to access pari commands... 
20240326 12:10:20 +0200  asked a question  Powers in modular arithmetic Powers in modular arithmetic How can I detect if an integer n modulo q (not necessary a prime number) is a bpower for a 
20240211 12:30:04 +0200  commented answer  Improve time to plot a set of points Thank you for your reply. However, I don't see how to change the color with the creation of a single graphical object, w 
20240209 12:14:03 +0200  asked a question  Improve time to plot a set of points Improve time to plot a set of points I try to draw clouds of coloured dots. The coordinates of the points are given by a 
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20240126 13:03:11 +0200  marked best answer  Draw a list of continuously colored points I have a list of point and use list_point to draw it. Let’s say I'd like to color the points in a continuous way, to remember the order in which they were drawn. Let's say from the black for the first point on the list to the red for the last. How can I achieve my goal? 
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20240125 18:31:09 +0200  asked a question  Draw a list of continuously colored points Draw a list of continuously colored points I have a list of point and use list_point to draw it. Let’s say L=[[k,sqrt(k 