2020-06-04 09:27:05 +0200 received badge ● Famous Question (source) 2019-11-01 07:34:32 +0200 received badge ● Notable Question (source) 2019-06-23 15:05:01 +0200 received badge ● Popular Question (source) 2018-09-01 21:50:04 +0200 received badge ● Scholar (source) 2018-09-01 20:34:17 +0200 received badge ● Famous Question (source) 2018-09-01 18:08:04 +0200 asked a question vector constants and vector functions I'm using sage (through cocalc) with my multivariable calculus class this year. I'm looking for a consistent way to define symbol vector-valued functions and vector constants. I can define a symbolic vector-valued function like this: var('t') r(t) = [1, t] r(1) + r(2) # works as expected  I can define constant vectors like this: a = vector([1, 1]) b = vector([10, 20]) c = a + b # works as expected  But vector does not work for symbolic functions: r(t)=vector([1, t]) throws. So: vector seems required for constants, else we don't get correct algebraic behavior vector cannot be used with symbolic functions, else sage throws Question: I'm worried this is going to cause a lot of confusion for my students. Is there a consistent way to define vectors for both constant values and symbolic expressions? 2016-10-13 02:46:41 +0200 received badge ● Notable Question (source) 2015-07-02 23:30:50 +0200 received badge ● Popular Question (source) 2013-08-14 11:56:49 +0200 received badge ● Supporter (source) 2013-08-14 11:56:42 +0200 commented answer Tick Size in Plots I've got the method using rcParams to work, using matplotlib.rcParams['xtick.major.size'] = 10 to increase tick length. When I try to increase thickness using matplotlib.rcParams['xtick.major.width'] = 4, sage complains that "xtick.major.width is not a valid rc parameter". In matplotlib.rcParams.keys() in Python clearly lists this as a valid paramter, though . . . ? 2013-08-10 23:58:13 +0200 received badge ● Student (source) 2013-08-10 17:13:20 +0200 asked a question Tick Size in Plots Is it possible to increase the size of the tick marks on a plot made in sage? I would like to be able to insert plots into LaTeX documents using SageTeX's sageplot: \begin{sagesilent} f(x) = (x-2)*(x+3) p = plot( f(x), (x, -4, 4), thickness = 10, fontsize = 42 ) \end{sagesilent} sageplot[width = 0.33 \textwidth]{p}  Because the plot has been scaled down in TeX, the tick marks are hardly visible. Can I increase their size?