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1

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23

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Errors in NDSolve for complex matrices

differential-equations matrix numerical-integration complex quaternions

modified yesterday wuyudi 2,067

2

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0

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82

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Converting complex equations to matrix form

matrix linear-algebra vector

modified yesterday dtn 305

5

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2

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77

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Apply Outer to list of matrices and vectors

list-manipulation matrix

modified Feb 15 at 8:06 Αλέξανδρος Ζεγγ 6,422

4

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2

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175

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Create a matrix from the rows of another, and calculate the rank of the new matrix

list-manipulation matrix

answered Feb 13 at 19:58 kglr 242k

1

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0

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63

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How to use MatrixPlot as a DensityPlot?

plotting matrix legending

modified Feb 13 at 12:53 Knomes 55

15

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1

answer

618

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Efficient solution of huge sparse linear system

matrix performance-tuning linear-algebra sparse-arrays

answered Feb 11 at 9:44 user21 26.1k

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0

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50

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Cryptic NDSolve::nlnum when working with matrices

differential-equations matrix numerical-integration complex quaternions

modified Feb 8 at 22:38 Michael E2 168k

3

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1

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79

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Diagonalizing a symbolic matrix

matrix linear-algebra eigenvalues

modified Feb 6 at 2:28 m_goldberg 98.2k

1

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1

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39

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The Matrix formula of this hamilton is different from that found in the paper

matrix tensors

answered Feb 5 at 17:09 march 19.2k

2

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1

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96

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Problem with MousePosition after rotating a graphic

matrix dynamic rotation mouseposition

modified Feb 5 at 6:27 wuyudi 2,067

3

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2

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108

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A problem about matrix/vector extension via ArrayPad

list-manipulation matrix vector

modified Feb 4 at 13:24 J. M. is in limbo♦ 106k

1

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1

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66

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Efficient way to evaluate numerically product sines functions

calculus-and-analysis matrix numerical-integration performance-tuning

modified Feb 4 at 8:05 Henrik Schumacher 74.7k

3

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1

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56

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Is this a correct implementation of the principal-leading-minors test for positive-semidefiniteness?

matrix linear-algebra

modified Feb 3 at 22:15 J. M. is in limbo♦ 106k

5

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2

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143

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Enumerating $4 \times 4$ matrices satisfying parity constraints

matrix linear-algebra combinatorics

modified Feb 2 at 16:33 MikeY 5,251

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