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3-D Pythagoras: "Right" On and Solid.
Peer reviewed Peer reviewed
Plett, Stephen – AMATYC Review, 1989
Presents a theorem and its converse to generate all of the primitive Pythagorean quadruples. Provides a BASIC program generating them. (YP)
Descriptors: Algorithms, College Mathematics, Equations (Mathematics), Higher Education
Computed Solution Curves for Differential Equations.
Peer reviewed Peer reviewed
Mathews, John H. – AMATYC Review, 1989
Discusses numerical methods to compute approximate solutions of a differential equation. Provides a Pascal program for the extended Euler-Heun method. (YP)
Descriptors: Calculators, College Mathematics, Differential Equations, Equations (Mathematics)
An Improved Newton's Method.
Peer reviewed Peer reviewed
Mathews, John H. – AMATYC Review, 1989
Describes Newton's method to locate roots of an equation using the Newton-Raphson iteration formula. Develops an adaptive method overcoming limitations of the iteration method. Provides the algorithm and computer program of the adaptive Newton-Raphson method. (YP)
Descriptors: Algorithms, College Mathematics, Computation, Equations (Mathematics)
Graphing Surfaces: A Student Project.
Peer reviewed Peer reviewed
Herron, Peter – AMATYC Review, 1989
Discusses a student project visualizing the surface of a function using computer graphics. Describes topics to complete the project, function and its domain, scaling, coordinate axes, projection of the surface, sketching the graph, plotting, changing the viewpoint, and rotating the axes. Provides a BASIC program using the rotation of the axes and…
Descriptors: College Mathematics, Computer Graphics, Computer Software, Functions (Mathematics)