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Classfying quadratic surface $z=x^2+2xy+y^2$.

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#partial-differential-equations #surfaces #quadratic-forms
66
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Integer binary forms with middle terms divisible by binomial coefficients

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#number-theory #quadratic-forms
136
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Canonical form for some general quadratic functions

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#linear-algebra #quadratic-forms
756
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Integer solutions of a quadratic form

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#number-theory #elementary-number-theory #modular-arithmetic #arithmetic #quadratic-forms
91
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Relation of quadratic forms with discriminant $-p$ (prime) and $-4p$

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#elementary-number-theory #quadratic-forms #discriminant
188
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Is matrix for “change of variable in quadratic form” unique?

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#linear-algebra #category-theory #quadratic-forms
6.5k
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How to find the roots in a quadratic function in vertex form?

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#polynomials #roots #quadratics #quadratic-forms
164
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Euclidean norm minimization using rotations, i.e., $\min\limits_\mathbf\Phi \lVert \mathbf{A \Phi b} \rVert_2^2$

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#linear-algebra #optimization #normed-spaces #rotations #quadratic-forms
364
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nonorthogonal diagonalization and quadratic forms

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#linear-algebra #eigenvalues-eigenvectors #diagonalization #quadratic-forms
126
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Quadratic transformation of a curve to remove singularities.

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#abstract-algebra #algebraic-geometry #algebraic-curves #quadratic-forms
212
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Find a diagonal matrix congruent to the following given matrix.

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#linear-algebra #solution-verification #quadratic-forms
342
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Quadratic form if corresponding matrix is not symmetric matrix .

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#linear-algebra #quadratic-forms
845
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finding possible pairs of rank and signature

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#linear-algebra #quadratic-forms
39
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A convex optimization problem, to maximize $C^{T} \Sigma \theta$

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#linear-algebra #optimization #quadratic-forms
76
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Block Positive Definite Quadratic Forms and their Representation Numbers

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#linear-algebra #quadratic-forms #integer-lattices

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