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Algebra
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Demonstrations 61  80 of 664
Enclosing the Spectrum by GershgorinType Sets
Eigenvectors in 2D
Matrix Transpose
Numerical Range for Some Complex Upper Triangular Matrices
Visible and Invisible Intersections in the Cartesian Plane
Rauzy Fractals of Order Four
Equivalence of Projections in Involutive Rings
Example of a Ring with an Improper Involution
Special Regular Rings with Involution
Von Neumann Regular Rings
Combining Two 3D Rotations
GL(3,n) Acting on 3D Points
Three Points Determine a Plane
Zeros of a Polynomial or Rational Function and Its Derivative
Vieta's Solution of a Cubic Equation
Lill's Construction for a Depressed Cubic Polynomial
Three Parametrizations of Rotations
Descartes's Method of Evaluating the Principal Cube Root
Lill's Method for Calculating the Value of a Cubic Polynomial
Graphical Application of Horner's Method
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