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2012-03-12 03:24:47 -0600 | asked a question | how to use certain maxima functions (e.g. ratsubst)? I cannot figure out how to use maxima functions like ratsubst within sage. For example: X = maxima('x^2') Now I'd like to substitute x with k. In Maxima, this is done via: X: x^2; ratsubst(k, x, X); How do I call ratsubst from Sage? If I use X.ratsubst('k', 'x') then it simply prints out 'x'... |

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2012-03-12 03:21:09 -0600 | commented answer | divide numerator and denominator by certain value Thank, that did the trick! |

2012-03-11 23:55:24 -0600 | asked a question | divide numerator and denominator by certain value Hi, is it somehow possible to divide the numerator and denominator of a fraction by the same value? For example, (a |

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