User Portlet
| Discussions |
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| Can I use this functionality to import a .xls from an URL dynamically? Im trying to get my program to import a .xls for manipulation, I need to import the .xls at an url location dynamically, I did have this at the beginning of my code: url... |
| My code needs to take a URL address as a value However I have absolutley no clue as to how to utilise the dynamic input field function I am presently using: t = Import[ "http://www.doc.gold.ac.uk//~ma302jh//RegressionExample.xls"]; ... |
| The function " Define rss" Is not summing up the equation correctly. It was working before I changed the scale of the Plot3D margins, but I really can't see why its not working. Any help would be amazing. t = Import[ ... |
| t = Import[ "http://www.doc.gold.ac.uk//~ma302jh//RegressionExample.xls"]; tp = t[[1]]; t1 = Table[tp[[i]], {i, 2, Length[tp]}]; xcol = Table[t1[[i]][[1]], {i, 1, Length[t1]}]; ycol = Table[t1[[i]][[2]], {i, 1,... |
| Just puttting the finishing touches on this program and Im getting the error: > Part specification [[1]] is longer than depth of object. >> But i dont when I import locally, either way though, the program does not plot the plot points and... |
| I have tried using this `SetDirectory[ DirectoryName[ ToFileName["FileName" /. NotebookInformation[SelectedNotebook[]]]]]` and then used `t = Import[ "FileName\\RegressionExample.xls"];` But what is the correct way? |
| I want my function to take arguments that describe a 3D plane and take in data from a 3D table, my function is really wrong and I need help with it. I would then like the program to output the equation for the plane so it will show in the Plot3D... |
| I would know how to do this in an object orientated language, it would be something like this: int rss = null; int Define_RSS(int a, int b, int c, int d){ int output = (code functionality) rss = (some more... |
| I hope this code gives a rough Idea of what I am trying to do, can someone tell me how I've gone about using manipulate in the wrong way and how I might look to restructure this existing code? What I require it to do is allow me to manipulate the... |
| What I want to do, Is have an image of a sloped 3d plane that a can move with sliders, I want to be able to adjust the amount of slope that the plane has, the height of it, and finaly, maybe rotate it by having sliders named to the latter. I... |