2016-07-20 09:06:30 +0100 | commented answer | Unable to create a contour_plot of a system of inequalities Thanks! It turns out the problem wasn't with what the function returned but with the inequalities. I set f1 < -1e-3, f2 < -1e-3, f3 < -1e-3 and it works how I wanted. This is a very strange bug that really makes sage a black box to me :( |

2016-07-18 13:08:15 +0100 | received badge | ● Student (source) |

2016-07-16 21:50:18 +0100 | asked a question | Unable to create a contour_plot of a system of inequalities I am trying to plot a system of inequalities, dependent on a matrix H. Here is my function I am planning to contour_plot: I then have H be However yields an error. It says The strange part is that when the same contour_plot yields exactly what I want without any errors |

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