================================== Top new questions this week: ================================== [Fitting points to tilted, off-center ellipse]\url{http://mathematica.stackexchange.com/questions/51491/fitting-p oints-to-tilted-off-center-ellipse} I have 24 x-y points that are supposed to form an ellipse. ... - asked by seismatica (15 votes), answered by ubpdqn (17 votes) ---------------------------- [Combining BarChart and Grid - IPCC style]\url{http://mathematica.stackexchange.com/questions/51708/combining-b archart-and-grid-ipcc-style} I would like to combine a plot with a table. Something like this famous plot/table from IPCC: So after reading Combining graphics & lists / tables I tried an approach using Grid. Pretty ... - asked by gogoolplex (12 votes), answered by Oska (4 votes) ---------------------------- [How to implement Donald Knuth's up-arrow notation]\url{http://mathematica.stackexchange.com/questions/51657/how-to-i mplement-donald-knuths-up-arrow-notation} How does one enter very large numbers in up-arrow notation? Up-arrow notation was created by Donald Knuth to write very large numbers in it iterated exponentiation form, for example 63 = 6^6^6. - asked by user4401 (12 votes), answered by Szabolcs (20 votes) ---------------------------- [Is there a way to increase the smoothness of a cylinder?]\url{http://mathematica.stackexchange.com/questions/51565/is-ther e-a-way-to-increase-the-smoothness-of-a-cylinder} I am using Cylinder to produce wide flat disks (in Mathematica 8). This works just fine except that the circular base of such a cylinder turns out to be really just a 40-gon which is simply too coarse ... - asked by Burkard Polster (11 votes), answered by Mr.Wizard (13 votes) ---------------------------- [Efficient way to build a certain quadratic matrix]\url{http://mathematica.stackexchange.com/questions/51798/efficient- way-to-build-a-certain-quadratic-matrix} For odd n I'm looking for a short and swift way to construct with (f.e.) n = 3 n = 11 n=1111 - asked by eldo (9 votes), answered by RunnyKine (8 votes) ---------------------------- [Finding maximum or minimum of implicit functions]\url{http://mathematica.stackexchange.com/questions/51679/finding -maximum-or-minimum-of-implicit-functions} is there any built in function that can be used to find maximum or minimum of implicit functions? For example, if we have the equation $$x^2 + y^2 = (2 x^2 + 2 y^2 - x)^2,$$ then we can visualize the ... - asked by Algohi (7 votes), answered by Kuba (15 votes) ---------------------------- [How can a power of 0 or 1 be replaced?]\url{http://mathematica.stackexchange.com/questions/51585/how-can -a-power-of-0-or-1-be-replaced} Consider this given example for ReplaceAll 1 + x^2 + x^4 /. x^p_ -> f[p] This returns 1+f[2]+f[4] - works good (!). But if you choose In[175]:= 1 +x+ x^2 + x^4 /. x^p_ -> f[p] Out[175]= ... - asked by Sumit (7 votes), answered by Daniel Lichtblau (6 votes) ================================== Greatest hits from previous weeks: ================================== [Resources for beautiful Mathematica Stylesheets]\url{http://mathematica.stackexchange.com/questions/5846/resour ces-for-beautiful-mathematica-stylesheets} When the Wolfram Demonstrations were introduced and the Documentation-Center was redesigned, I remember it was the first time I thought someone had put some effort into creating a beautiful ... - asked by halirutan (80 votes), answered by rm -rf (40 votes) ---------------------------- [Get a "step by step" evaluation in Mathematica]\url{http://mathematica.stackexchange.com/questions/148/get-a-s tep-by-step-evaluation-in-mathematica} Is it possible in Mathematica to get a step-by-step evaluation of some functions; that's to say, outputting not only the result but all the stages that have led to it? Example : Let's say I want to ... - asked by Skydreamer (53 votes), answered by J.M. (44 votes) ================================== Can you answer these? ================================== [What's a non-trivial Mathematica program involving conscious choice of stack vs. queue data structure?]\url{http://mathematica.stackexchange.com/questions/51862/whats- a-non-trivial-mathematica-program-involving-conscious-choice-of-stack-vs > } In a typical computer science algorithms course, much attention is given to the discussion of queues vs. stacks as a data structure programmers need to consciously choose from to achieve algorithmic ... - asked by Problemaniac (1 vote) ---------------------------- [Import Excel data forcing links (ie workbooks) to be updated]\url{http://mathematica.stackexchange.com/questions/51873/import-ex cel-data-forcing-links-ie-workbooks-to-be-updated} We have noticed importing data from an Excel spreadsheet doesnt update links. The problem with this is if you import a spreadsheet that comprises of linked workbooks data and those workbooks have ... - asked by WolframFan (3 votes) ---------------------------- [Smooth out contour in RegionPlot/ContourPlot]\url{http://mathematica.stackexchange.com/questions/ 51518/smooth-out-contour-in-regionplot-contourplot} I would like to smooth out the jagged edges in the outermost contours in the following plot: I have data of values as a function of variables (x,y) in the form data = ... - asked by Philo (1 vote) --- Subscribe to more Stack Exchange newsletters: <http://stackexchange.com/newsletters> ---