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2018-04-20 23:36:53 -0600 | asked a question | Solve a differential equation using series expansions. Given an ODE such as $$y''+x^2y'+y=0$$ Is it possible to get sage to display the solution in the from (at least the first few terms of the expansion) $$y=a_o\left(c_0+c_1x+c_2x^2+\dots\right) + a_1\left(d_0+d_1x+d_2x^2+\dots\right) $$ EDIT: I have made some progress, functional but it is not pretty. second attempt |

2018-03-19 13:25:22 -0600 | asked a question | quick latex question I am writing a worksheet for an ODE course and would like to display the following equation as $$y''+y=1$$ OR as $$\frac{d^2y}{dx^2}+y=1$$ However sage always reverts to partials. Is there an easy way to display these as ordinary differential equations? thx see sage cell link text |

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2017-01-17 23:01:12 -0600 | asked a question | How to get the z-score for a given probability for standard normal distribution I can set
Then I can always get the probability $P( x < z )$ by doing
I would like to do the opposite. Given some probability $p_o$ I would like to find the corresponding $z$ so that $P( x < z )=p_0$ I have tried various things.. but keep running into this sort of issue any help is greatly appreciated |

2016-04-30 15:26:06 -0600 | commented answer | how do I change the color of the ticks perfect! thank you! |

2016-04-29 18:08:19 -0600 | asked a question | how do I change the color of the ticks I have this sage cell
but I would like the tick color to match the blue axes color. all help is appreciated. |

2016-03-13 22:09:39 -0600 | asked a question | Is there a more elegant way to make an interactive worksheet for students? I have this so far, but formatting the latex string seems tedious. I am also aware of SageTeX but there, any type of errors simply cause a failure in compiling the pdf file without much information as to what caused the error, or the error messages are not very visible to me. Here is what I have so far.. link text |

2016-02-25 11:09:03 -0600 | commented answer | making background transparent on implicit_plot3d opacity makes the whole thing transparent. The desired result is as @slelievre points out, to just get rid of the white background. Sorry I can not find anything helpful when I search "transparent" on the docs. Again, thanks for your help. |

2016-02-22 09:39:09 -0600 | asked a question | making background transparent on implicit_plot3d Plots produced using The image I obtain has white but not transparent background: I know |

2015-12-08 12:26:00 -0600 | asked a question | embed interactive cycloid plot in beamer+sagetex I have the following graph and would like to included it on a beamer presentation. It there a way to embed this onto the pdf beamer file? I have sagetex running and working well, works for much of the math on my beamer lectures.
see link |

2015-03-03 10:25:35 -0600 | commented answer | Is this a bug or what am I missing, simple limit computation thank you kindly |

2015-03-03 10:25:27 -0600 | commented answer | Is this a bug or what am I missing, simple limit computation thank you, appreciate the sympy tip |

2015-02-28 11:02:17 -0600 | asked a question | Is this a bug or what am I missing, simple limit computation this yields "undefined", but the limits is clearly zero, thus I gather there's a bug or I am missing something basic . All help is appreciated. |

2015-02-16 13:32:06 -0600 | commented answer | how to re-order factors very nice thank you! its perfect! |

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2015-02-15 16:41:17 -0600 | asked a question | how to re-order factors I have
is there a way to have it return the differentials always at the end as in thank you |

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2014-11-11 13:10:50 -0600 | asked a question | typesetting simple nth root using radical is there a way to ask sage to typeset $$\sqrt[3]{x}$$ rather than $$x^{1/3}$$
thx |

2014-10-27 00:20:31 -0600 | edited question | Typesetting Simple Student Worksheet Question & need to defer computation I have the command print latex(eq1) simplifies the equation to $$\frac{2}{5} x + 4 = -\frac{15}{7} x + \frac{18}{7}$$ is there something like latex(eq1.hold()) that would produce $$\frac{2(x+3)}{5}=\frac{3(6-5x)}{7}$$ edit: I must apologize in advanced as my code may seem infantile but I am very new to this and trying to learn. That said, I was able to get something going but it seems to me there must be a million better ways to do this. Can you point me in the right direction to generalize this process and improve this code. Keep in mind the point of this is to write a student worksheet with problem sets and solutions. can be seen here link text |

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