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2014-12-11 14:22:32 -0500 | asked a question | Evaluating a symbolic expression I am trying to evaluate a symbolical expression, but I don't know to ask Sage to compute the final expression: Why Sage hasn't computed the final expression? |

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2014-10-11 22:08:48 -0500 | commented answer | Two Y-axes I'm trying to mimic your solution for this: phi = var('phi') a=2 q1=a*phi^2+1 q2=a*phi^2+2000 t1=q1.plot(aspect_ratio=1,xmin=0,xmax=10) t2=q2.plot(aspect_ratio=1,xmin=0,xmax=10) z=t1+t2 z.show(xmin=0,xmax=10,ymin=0,ymax=300,aspect_ratio=.02) But I had no success. Do you know how I should proceed? |

2014-10-11 19:46:38 -0500 | asked a question | How to make two plots on a different scale I have two plots that I need to represent on the same graph. Here is a mwe. I can scale q2 down, but ideally I would like to have a y-axis on the left representing q1 values and another y-axis on the right representing q2 values. How can I do that? |

2014-10-10 18:32:32 -0500 | asked a question | How to save graphics into an image in sagemath online? I am running sage cloud with a windows computer and I want to save graphics into an image. I found the following documentation: However it save nothing on my system or on the online folder. I suspect that this works when you have sagemath installed on the computer. How can I save on my system or on the online folder? |

2014-08-03 23:31:14 -0500 | commented answer | Finding numerical solution to a nonlinear equation By plotting the function, I noticed that there would be 2 roots. Unfortunately, find_root cannot obtain them at once. But following your suggestion did the trick. |

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2014-08-02 23:39:57 -0500 | asked a question | Finding numerical solution to a nonlinear equation I'm trying to find a solution for a nonlinear equation using cloud.sagemath but I have been unsuccessful. The command "solve" could not find a result, and I haven't been able to input the range over which the solution should be looked. Here is my code: I get Can someone help? And how can I ask for a solution on $[0,1]$? |

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2013-05-23 16:34:39 -0500 | asked a question | How to config texmaker to run sage I just installed Sage 5.9 on a computer running Windows (VirtualBox). But could not make it run with Texmaker. I'm trying to run the "Examples of embedding Sage in LaTeX...", so I presume that the LaTeX code is correct. The problem must be in the communication between Texmaker and Sage operating on VirtualBox. So how can I make Texmaker call Sage on the shell? Is there a way to integrate them? Jorge |

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