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2015-03-26 22:11:50 -0500 | marked best answer | How to make 1:1 matrix plots? Hello, I want to make a matrix_plot of an array, but it never displays correctly. How would I, for example, make each number in an array into a pixel? I find matrix_plot, in resizing, "corrupts" the image. For example, this is a plot of the Sierpinski triangle: (it also does this on svg plots), and you can see the array isn't translating correctly to pixels. aspect_ratio=1 doesn't work. A sufficiently large figsize works, but I don't see why this is necessary. Isn't there another way? Thank you. |

2015-03-26 22:11:50 -0500 | marked best answer | DiGraph labels? Labels don't seem to work on DiGraphs. For example:
This just shows 2 and 3 as labels. Is this a bug or am I doing something wrong? Thanks in advance. |

2015-03-26 22:08:32 -0500 | marked best answer | RadianÂ–degree conversion Hello, It seems to be unnecessarily hard to numerically convert radians to degrees in Sage. For example, how does one convert arctan(4/5) radians to degrees? The following n(arctan(4/5))*sage.symbolic.units.convert(units.angles.radian,units.angles.degree) returns 121.453369600239*degree/pi Is there a simple way to just return a numerical answer (without multiplying by 180/pi)? |

2015-03-26 22:08:04 -0500 | marked best answer | Interact depending on other arguments Hello, Is it possible to have interact arguments depend on one another? For example, having the maximum of one slider depend on the former? I tried this: @interact def metacontrol(a=slider(5,10)): @interact def control(b=slider(0, a)): pass But it doesn't work; updating the first slider deletes the second slider. It is possible with two cells, but this requires executing the cell which defeats the purpose of interact. Thank you. |

2015-03-26 22:07:36 -0500 | marked best answer | Tables of graphics? I recall seeing a function that would allow one to make a table (or a series) of graphics. For example, if I wanted to display 10 plots in a series, how would I do this? Thanks in advance. |

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2014-06-28 20:15:39 -0500 | marked best answer | Is there a way to update an expression with new variable values? Is there a way to update an expression if the symbolic variables that it contains have been overwritten? For example, Is there a way for it to change to |

2014-06-28 20:15:37 -0500 | marked best answer | Calculating terms of a series Is there any way to calculate terms of a series which Sage is unable to find a closed-form expression for? For example, how do I calculate the first ten terms of |

2014-06-28 20:15:17 -0500 | marked best answer | How to "recover" real number from expression? How do I separate a |

2014-06-28 20:15:16 -0500 | marked best answer | How come abs(x) works? Hello, I notice that What's going on here? Obviously the Python function should not accept a Sage type. |

2014-06-28 20:14:56 -0500 | marked best answer | Variables in TinyMCE Hello, Is there any way to fetch Sage variables from TinyMCE? This would be useful to display results of computations inline with formatted text. |

2014-06-28 20:14:56 -0500 | marked best answer | System of nonlinear equations Hello, Is it possible to solve the following using Sage? http://www.wolframalpha.com/input/?i=... Thanks in advance. |

2014-06-28 20:14:44 -0500 | marked best answer | Eulerian Cycle of a Digraph Hello, Is there a function to do an Eulerian cycle of a digraph? eulerian_cycle works on undirected graphs, but not on digraphs. Basically I'm looking for an equivalent to Mathematica's EulerianCycle. Does this exist? Thanks in advance. |

2014-06-28 20:14:42 -0500 | marked best answer | Specific cmap Hello, How would I create a specific cmap, which would have a separate color value for each matrix value? For example, could I make a cmap that specifies 0:'red', 1:'green', 2:'yellow', etc? The linear interpolation cmaps don't work as I want them to because they normalize to the given range of the matrix. Thank you. |

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