Julia Goedecke's contributions

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11 items
Find characteristic polynomial, eigenvalues and eigenvectors of a 2x2 matrix 21 Sep 2022, 11:48 a.m.
Find characteristic polynomial, eigenvalues, eigenvectors for 3x3 matrix (version with only one real eigenvalue) 15 Jun 2022, 10:57 a.m.
Find characteristic poly, eigenvalues and eigenvectors of 3x3 matrix (version with three distinct eigenvalues) 25 May 2022, 2:47 p.m.
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Contributions which might be interesting to others. Topic is Linear Algebra, but there are also lots of question techniques one can copy or be inspired by.

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Julia Goedecke on Find characteristic polynomial, eigenvalues and eigenvectors of a 2x2 matrix 2 years, 6 months ago

Saved a checkpoint:

Added steps from RREF to eigenvector in Advice.

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Julia Goedecke on Find characteristic polynomial, eigenvalues and eigenvectors of a 2x2 matrix 2 years, 6 months ago

Saved a checkpoint:

Groupd variables and wrote descriptions for them.

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Julia Goedecke on Find characteristic polynomial, eigenvalues and eigenvectors of a 2x2 matrix 2 years, 6 months ago

Saved a checkpoint:

Separated char poly and eigenvalues into two separate parts. Added "finish".

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Julia Goedecke on Kernel and image of matrix transformation 2 years, 7 months ago

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Removed the brackets round matrix entry, as the entry is not really a matrix but a collection of columns.

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Julia Goedecke published Matrix multiplication 2 years, 7 months ago

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Julia Goedecke on Matrix multiplication 2 years, 7 months ago

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Julia Goedecke published Find matrix from entry formula 2 years, 7 months ago

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Julia Goedecke on Find matrix from entry formula 2 years, 7 months ago

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Julia Goedecke on Inverse algorithm calculator 2 years, 7 months ago

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Julia Goedecke published Inverse algorithm calculator 2 years, 7 months ago

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Julia Goedecke published Characteristic poly, eigenvalues and eigenvectors 3x3 non-randomised 2 years, 7 months ago

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Julia Goedecke published Kernel and image of matrix transformation 2 years, 7 months ago

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Julia Goedecke on Kernel and image of matrix transformation 2 years, 7 months ago

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Julia Goedecke published Direct sum and is sum whole space 2 years, 7 months ago

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Julia Goedecke on Direct sum and is sum whole space 2 years, 7 months ago

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Julia Goedecke copied Kernel and image randomised for practice to Kernel and image of matrix transformation 2 years, 8 months ago

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Julia Goedecke on Characteristic poly, eigenvalues and eigenvectors 3x3 non-randomised 2 years, 8 months ago

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Julia Goedecke copied WBQ 9.4 a) Characteristic poly, eigenvalues and eigenvectors 3x3 to Characteristic poly, eigenvalues and eigenvectors 3x3 non-randomised 2 years, 8 months ago

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Julia Goedecke copied WBQ 4.14 Direct sum and is sum whole space to Direct sum and is sum whole space 2 years, 8 months ago

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Julia Goedecke copied Inverse algorithm calculator with rounding to Inverse algorithm calculator 2 years, 8 months ago

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