List questions from quadratic-forms

Published on 26 Feb 2015 - 11:52

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How to minimize this sparse quadratic function?

Published on 27 Feb 2015 - 21:30

45

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Is a binary quadratic form (over any field) that represents both $\pm 1$ necessarily hyperbolic?

Published on 01 Mar 2015 - 8:57

354

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Determine $A$ such that $Q=X'AX$ has chi-squared distribution.

Published on 01 Mar 2015 - 10:35

52

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Does the set of possible values of a binary quadratic form determine the form

Published on 01 Mar 2015 - 11:21

85

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Alternative way to recognize that a real symmetric quadratic form is positive

Published on 02 Mar 2015 - 11:55

214

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Quadratic surfaces: Coordinates and radius( Non origin)

Published on 02 Mar 2015 - 13:00

56

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Witt Groethendieck Ring splitting

Published on 02 Mar 2015 - 18:34

113

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Pell's equation and representation elements of $\mathbb Z_p$.

Published on 02 Mar 2015 - 20:52

73

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Pell's equation and binary hyperbolic forms.

Published on 02 Mar 2015 - 22:39

1k

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$LDL^T$ decompositon of a symmetric matrix and a matrix determinant expression for the lower triangular entries

Published on 06 Mar 2015 - 17:09

26

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Bicomplex quadratic forms

Published on 06 Mar 2015 - 20:28

1.4k

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How to calculate a vector of quadratic forms (matrix algebra)

Published on 10 Mar 2015 - 1:02

321

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Eigenvectors of a quadratic form and iterative descent

Published on 10 Mar 2015 - 23:58

807

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Maximizing ratios of quadratic forms with several norms

Published on 12 Mar 2015 - 7:59

List Question

$x^2+y^2+z^2=5(xy+yz+zx)$ -- Is this all solutions?

How to minimize this sparse quadratic function?

Is a binary quadratic form (over any field) that represents both $\pm 1$ necessarily hyperbolic?

Determine $A$ such that $Q=X'AX$ has chi-squared distribution.

Does the set of possible values of a binary quadratic form determine the form

Alternative way to recognize that a real symmetric quadratic form is positive

Quadratic surfaces: Coordinates and radius( Non origin)

Witt Groethendieck Ring splitting

Pell's equation and representation elements of $\mathbb Z_p$.

Pell's equation and binary hyperbolic forms.

$LDL^T$ decompositon of a symmetric matrix and a matrix determinant expression for the lower triangular entries

Bicomplex quadratic forms

How to calculate a vector of quadratic forms (matrix algebra)

Eigenvectors of a quadratic form and iterative descent

Maximizing ratios of quadratic forms with several norms

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