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math.HO2009★ 5 cited
Unshackling Linear Algebra from Linear Notation
Elisha Peterson
This paper provides an introduction to trace diagrams at a level suitable for advanced undergraduates. Trace diagrams are a non-traditional notation for linear algebra. Vectors are…
math.HO2007★ 2 cited
A Not-so-Characteristic Equation: the Art of Linear Algebra
Elisha Peterson
Can the cross product be generalized? Why are the trace and determinant so important in matrix theory? What do all the coefficients of the characteristic polynomial represent? This…