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| Also, since each of the x1, x2, x3 terms are functions dependent on variables, I might not have reached a solution. |
| Besides the fact that rigid replacement can be problematic, I would like to remark one more pitfall (or misunderstanding) one might face when using `Subscript` (because you started your code nicely with `Clear["Global*'"]`- in general a good idea!).... |
| "Writers shouldn't have to become system programmers and experts in type setting to make their notebooks look good." I don't agree with your expectation that manufacturers should support an operating system that has been superseded twice in the... |
| There are a number of issues. Support recommended doing a clean start and changing some options. Even when V12.1 is uninstalled there are features in V12.0 that no longer work, such as creating a new notebook in a folder using the right click context... |
| Thank you for your reply Jim. Yes, the paper is > Karl Pearson, 'On Lines and Planes of Closest Fit to Systems of Points in Space' > [Philosophical Magazine 2:559-572, 1901] I don't have access to the paper but the situation is this: I'm... |
| There is a little misunderstood, probably mine. In the x-axis we'll find Time measured in Seconds - t(s). In the y-axis, Mass measured in Grams - m(g). The problem start with grams and seconds and finish in the same way. Regards |
| If you have a notebook and want to convert it to a package: **1.** Wrap the notebook code between BeginPackage["context`"] and EndPackage[]. Make all the input cells to be initialization cells. ![enter image description here][1] **2.** Save... |
| Hi Micha, Many thanks for this. I shall enjoy digging into it Cheers Andy |
| Isn't graph theory a mathematical theory about mathematical structures that can be ENTIRELY represented by symbolic structures WITHOUT any reference to graphical representations on a screen or piece of paper? Then the mathematical representation... |
| Many thanks Daniel, that works pretty well and is simpler. Trying to factor a 5-form in 7-dimensional space using Solve I aborted the calculation after 15 minutes. Using FindInstance took 6 seconds. A significant improvement! |