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2015-06-01 23:39:24 -0500 | commented answer | solving matrix equation I appreciate for your answer. It works perfectly. But could you please let me know what the code means? The 'parent()()' and 'x.full_simplify()'? |

2015-05-30 08:59:56 -0500 | asked a question | solving matrix equation Could anyone please tell me how to solve a matrix equation? In the following code I have an extremely complicated matrix O. But I know that the matrix O equals to P. (I'm deriving what textbook didn't and the textbook said that they are same.) assuming that O==P, How can I obtain the omega_1, omega_2, omega_3 as function of theta, phi, psi, t? |

2015-05-30 07:56:55 -0500 | commented answer | A simple problem related to symbolic calculation But could you please tell me what the D[0] (theta) (x) means? |

2015-05-30 07:49:58 -0500 | commented answer | A simple problem related to symbolic calculation Thank you so much! |

2015-05-30 07:15:05 -0500 | asked a question | A simple problem related to symbolic calculation Could anyone let me know how you can define a variable as some function of another variable without specific definition? For example, how can you define theta as some function of x and then differentiate the 'sin(theta)' by x? The following is my code that doesn't work. I couldn't find how to fix it in reference manuals. Any help will be appreciated. var('theta, y, f') y=sin(theta) ; theta=f(x); y.derivative(x) |

2015-05-30 05:23:06 -0500 | received badge | ● Editor (source) |

2015-05-30 05:22:06 -0500 | commented answer | showing dashed line in the legend box Thank you for the answer. It means that the reason why I couldn't see dashed lines in the legend was just the small size of legend box. Is it correct? |

2015-05-29 02:51:48 -0500 | asked a question | showing dashed line in the legend box Could anyone let me know how you can change the style of the line in the legend box? I'm struggling with this for 2 hours. I can only change the fontsize of legend_label and color and etc. Please help me! This is a part of my code for the plot |

2015-05-28 14:16:18 -0500 | commented answer | modifying xmin value and frame of a plot Thank you for such a nice code and advices. I would learn with this code. |

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2015-05-28 14:15:04 -0500 | answered a question | modifying xmin value and frame of a plot I solved this problem with the followings. axes=None axes_pad=False |

2015-04-22 08:00:42 -0500 | asked a question | modifying xmin value and frame of a plot Would you please let me now how to modify min value of this plot? I want to make x axis begin from 13, but I can't modify the minimum value of the frame. Now I have no idea what to do.... |

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