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2012-04-13 02:02:39 +0200 | asked a question | change legend font when plotting I would like to ask are there any ways to change the font of the legend? I searched the document and only found the option "legend_font_family", which can be sans-serif, serif or other name. However, I don't want to use the default font defined in system. |
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2011-12-14 23:45:04 +0200 | commented answer | solving homogeneous system of linear equations the right_kernel is exactly what I want. Thanks very much for your answer and the resources provided! |
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2011-12-14 09:53:03 +0200 | asked a question | solving homogeneous system of linear equations The system is written on the form Ax=0. I know this can be done by using, for example, solve([eq1==0,eq2==0],x1,x2) But this is somewhat complex. I wonder if the system can be directly solved by A.solve_right or some other simpler notation? |