Timeline for MatrixExp[] for 4 by 4 matrix gives an unavailable answer [duplicate]
Current License: CC BY-SA 4.0
13 events
| when toggle format | what | by | license | comment | |
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| Jun 18, 2023 at 18:32 | history | closed |
Michael E2 MarcoB creidhne bbgodfrey Rohit Namjoshi |
Duplicate of How do I work with Root objects? | |
| Jun 14, 2023 at 18:40 | history | became hot network question | |||
| Jun 14, 2023 at 17:14 | comment | added | Bob Hanlon |
MatrixExp[Q*t] // FullSimplify will give a much shorter form while still using Root expressions
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| Jun 14, 2023 at 15:36 | review | Close votes | |||
| Jun 18, 2023 at 18:32 | |||||
| Jun 14, 2023 at 15:17 | history | edited | Michael E2 |
edited tags
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| Jun 14, 2023 at 12:28 | comment | added | Acus | ToRadicals[MatrixExp[Q*t]] // Simplify | |
| S Jun 14, 2023 at 12:20 | vote | accept | jerryed321 | ||
| S Jun 14, 2023 at 12:20 | vote | accept | jerryed321 | ||
| S Jun 14, 2023 at 12:20 | |||||
| Jun 14, 2023 at 12:20 | vote | accept | jerryed321 | ||
| S Jun 14, 2023 at 12:20 | |||||
| Jun 14, 2023 at 11:25 | answer | added | polfosol | timeline score: 4 | |
| Jun 14, 2023 at 11:17 | comment | added | yarchik | I would argue it is the cleanest form possible. In order to calculate the matrix exponential you need to diagonalize it. You have a matrix 4x4, the diagonalization requires solution of a 4th order algebraic equation, which is not simple. | |
| S Jun 14, 2023 at 10:38 | review | First questions | |||
| Jun 14, 2023 at 10:52 | |||||
| S Jun 14, 2023 at 10:38 | history | asked | jerryed321 | CC BY-SA 4.0 |