5.7.1		Multivariable differential calculus

An Alternate Proof of the Equality of the Mixed Partial Derivatives, Gerard P. Protomastro, 7:4, 1976, 47-48, C
Income Tax Averaging and Convexity, Michael Henry and G. E. Trapp, Jr., 15:3, 1984, 253-255, C, 0.8, 5.1.5, 9.5
Interactive Graphics for Multivariable Calculus, Michael E. Frantz, 17:2, 1986, 172-181, 1.2, 5.1.1, 5.1.4
Moire Fringes and the Conic Sections, M. R. Cullen, 21:5, 1990, 370-378
Extreme and Saddle Points, David P. Kraines and Vivian Y. Kraines and David A. Smith, 21:5, 1990, 416-418, C, 5.1.4
'Hidden' Boundaries in Constrained Max-Min Problems, Herbert R. Bailey, 22:3, 1991, 227-229, C
Calculus and Computer Vision, Mark Bridger, 23:2, 1992, 132-141, 8.3
Relative Maxima or Minima for a Function of Two Variables: A Neglected Approach, Paul Chacon, 23:2, 1992, 145-146, C
Erratum: Relative Maxima or Minima for a Function of Two Variables, The Editors, 23:4, 1992, 314, C
FFF #57. The Conservation of Energy, Ed Barbeau, 23:5, 1992, 405, F
A Computer Lab for Multivariate Calculus, Casper R. Curjel, 24:2, 1993, 175-177, C, 1.2, 8.3
Least Squares and Quadric Surfaces, Donald Teets, 24:3, 1993, 243-244, C, 5.6.2, 7.3
FFF #64. Polar Paradox?, Ed Barbeau, 24:4, 1993, 344, F (also 25:4, 1994, 311)
FFF #68. Variable Results with Partial Differentiation, Hugh Thurston, 25:1, 1994, 35-36, F
Calculus in the Brewery, Susan Jane Colley, 25:3, 1994, 226-227, C
Individualized Computer Investigatins for Multivariable Calculus, Larry Riddle, 26:3, 1995, 235-237
Presenting the Kuhn-Tucker Conditions Using a Geometric Approach, Patrick J. Driscoll and William P. Fox, 27:2, 1996, 101-108, 9.9
Why Polynomials Have Roots, Javier Gomez-Calderon and David M. Wells, 27:2, 1996, 90-94, 5.1.2, 9.5
Will the Real Best Fit Curve Please Stand Up?, Helen Skala, 27:3, 1996, 220-223, C, 7.3
Real Analysis in the Brewery, Sidney Kravitz, 27:3, 1996, C
Using the College Mathematics Journal Topic Index in Undergraduate Courses, Donald E. Hooley, 28:2, 1997, 106-109, 4.1, 4.2, 5.1.4
Multiple Derivatives of Compositions: Investigating Some Special Cases, Irl C. Bivens, 28:4, 1997, 299-300, 3.2
Counterexamples to a Weakened Version of the Two-Variable Second Derivative Test, Allan A. Struthers, 28:5, 1997, 383-385, C
Unifying a Family of Extrema Problems, William Barnier and Douglas Martin, 28:5, 1997, 388-391, C
Paths of Minimum Length in a Regular Tetrahedron, Richard A. Jacobson, 28:5, 1997, 394-397, C, 0.4
The Long Arm of Calculus, Ethan Berkove and Rich Marchand, 29:5, 1998, 376-386, 9.10
Differential Forms for Constrained Max-Min Problems: Eliminating Lagrange Multipliers, Frank Zizza, 29:5, 1998, 387-396, 5.5
An ÒExtremelyÓ Cautionary Tale, Mark Krusemeyer, 31:2, 2000, 128-130, C
Can We Improve the Teaching of Calculus?, Hugh Thurston, 31:4, 2000, 262-267, 1.1, 5.1.2
FFF. An Epidemic of Jacobians, Edward Aboufadel, 32:4, 2001, 279-281, F, 6.2
Interactive Teaching Aids for Multivariable Calculus, David E. Bailey and Gerald Kobylski, 32:4, 2001, 283-287, C
The Parable of the Lucky Student?, Vince Matsko, 33:3, 2002, 230-232, C, 5.2.6
Examining Continuity, Partial Derivatives and Differentiability with Cylindrical Coordinates, Thomas C. McMillan, 34:1, 2003, 11-14
Lagrange Multipliers Can Fail to Determine Extrema, Jeffrey Nunemacher, 34:1, 2003, 60-62, C
FFF #208. Particle in circular motion, Peter M. Jarvis, 34:2, 2003, 136, F
Tangent Planes of a Quadratic Function, Panagiotis T. Krasopoulos, 34:3, 2003, 205-206
A Surface Useful for Illustrating the Implicit Function Theorem, Jeffrey Nunemacher, 34:4, 2003, 324-326, C
The HM-GM-AM-QM Inequalities, Philip Wagala Gwanyama, 35:1, 2004, 47-50, C, 9.5
A Quick Proof that the Least Squares Formulas Give a Local Minimum, W. M. Dunn III, 36:1, 2005, 64-65, C, 7.3
The Flip-Side of a Lagrange Multiplier Problem, Angelo Segalla and Saleem Watson, 36:3, 2005, 232-235, C, 5.1.4
Limits of Functions of Two Variables, Ollie Nanyes, 36:4, 2005, 326-329, C
Teaching Tip: Potatoes in Calculus, Kristin Pfabe, 37:2, 2006, 92, C
FFF #248. A minimization problem, Ed Barbeau, 37:2, 2006, 121-122, F
The Maximal Deflection on an Ellipse, Dan Kalman, 37:4, 2006, 250-260, 5.6.1
Hermit Points on a Box, Richard Hess, Charles Grinstead, Marshall Grinstead, and Deborah Bergstrand, 39:1, 2008, 12-23, 0.4, 9.2