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Algebra
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Demonstrations 161  180 of 560
Representations of Trigonometric and Hyperbolic Functions in Terms of Sector Areas
Sum of Two Vectors
Hyperbolas, Lemniscates, and Cassini Ovals Generated by w = Sqrt(z)
Dot and Cross Products Related to Complex Multiplication
Complex Product and Quotient Using Similar Triangles
Bernstein Polynomials and Convex Bézier Sums
The Mixture Problem
Ellipse Representing the Confidence Region of a Covariance Matrix
Exploratory Factor Analysis
Elliptic Curves on a Small Lattice
Moving Fingers with Affine Transformations
Brauer's Cassini Ovals versus Gershgorin Circles
Enclosing the Spectrum by GershgorinType Sets
The Ranks of the Groups of Links
Heisenberg Group Action on Quintics
Complex Number
Complex Mapping of Contours and Regions
Phase Portraits, Eigenvectors, and Eigenvalues
Matrix Representation of the Addition Group
The Space of Inner Products
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