HELP！how to show the solution matrix variable x（i，j，k，l）

x（i，j，k，l）is a solution，how to show let's value or how to save it into excel?

Answer 1

[Walter Roberson]

If you have a 4D array, then to store it in excel, you will need to do one of the following (or a combination)

• write 2D sections to individual files, using size(x,3) * size(x,4) files
• write 2D sections to individual sheets of a file, using size(x,3) * size(x,4) sheets
• write 2D sections to individual sheets, one sheet for each 3rd dimension, one file for each 4th dimension, so size(x,3) sheets per file and size(x,4) files
• reshape() 4D to 2D and write all to one file
• reshape() 4D to 3D and write each plane to a separate sheet or separate file
• re-arrange parts side-by-side so that you get groups of size(x,2) columns, with size(x,3) groups together, for a total of size(x,2) * size(x,3) columns, and using one sheet or one file for each element of the 4th dimension