Category theory

Sketch (mathematics)

In the mathematical theory of categories, a sketch is a category D, together with a set of cones intended to be limits and a set of cocones intended to be colimits. A model of the sketch in a category C is a functor that takes each specified cone to a limit cone in C and each specified cocone to a colimit cocone in C. Morphisms of models are natural transformations. Sketches are a general way of specifying structures on the objects of a category, forming a category-theoretic analog to the logical concept of a theory and its models. They allow multisorted models and models in any category. Sketches were invented in 1968 by Charles Ehresmann, using a different but equivalent definition. There are still other definitions in the research literature. (Wikipedia).

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Sketch constant vector field

Free ebook http://tinyurl.com/EngMathYT Basic example of how to sketch a constant vector field.

From playlist Engineering Mathematics

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Introduction to Geometer's Sketchpad: Measurements

This video demonstrates some of the measurement and calculation features of Geometer's Sketchpad.

From playlist Geometer's Sketchpad

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[Calculus] Curve Sketching || Lecture 33

Visit my website: http://bit.ly/1zBPlvm Subscribe on YouTube: http://bit.ly/1vWiRxW Hello, welcome to TheTrevTutor. I'm here to help you learn your college courses in an easy, efficient manner. If you like what you see, feel free to subscribe and follow me for updates. If you have any que

From playlist Calculus 1

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Geometry: Ch 5 - Proofs in Geometry (2 of 58) Definitions

Visit http://ilectureonline.com for more math and science lectures! In this video I will explain and give examples of definitions. Next video in this series can be seen at: https://youtu.be/-Pmkhgec704

From playlist GEOMETRY 5 - PROOFS IN GEOMETRY

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Understand The Work Equation!! (Mechanics)

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From playlist General Mechanics

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What is a number? | Arithmetic and Geometry Math Foundations 1 | N J Wildberger

The first of a series that will discuss foundations of mathematics. Contains a general introduction to the series, and then the beginnings of arithmetic with natural numbers. This series will methodically develop a lot of basic mathematics, starting with arithmetic, then geometry, then alg

From playlist Math Foundations

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Sketching Science in the Seventeenth Century - Michael S. Mahoney

Lecture: Michael S. Mahoney, Sketching Science in the Seventeenth Century

From playlist CASVA symposium

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Complex numbers and sketching regions. Chris Tisdell UNSW Sydney

I discuss a simple example of how to sketch regions in the complex plane. Such an example is seen in high-school and first-year university mathematics. Complex numbers are an extension of the well--known real numbers. Complex numbers (and complex--valued functions) find useful applica

From playlist A First Course in University Mathematics Revision Videos

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Two decentralised learning problems: Sketching and policy evaluation - Justin Romberg, Georgia Tech

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From playlist Mathematics of data: Structured representations for sensing, approximation and learning

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The Differential Calculus of the Sketch - Greg Lynn

Creativity: The Sketch in the Arts and Sciences Title: The Differential Calculus of the Sketch Speaker: Greg Lynn

From playlist CASVA symposium

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Burning Bridges: Questioning Practice, Part 1

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From playlist 'Is Drawing Dead?' YSoA Symposium

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Let’s Sketch This Parabola’s Graph – Step by Step…

TabletClass Math: https://tcmathacademy.com/ Algebra help with how to graph a parabola, quadratic equation to include finding the vertex. For more math help to include math lessons, practice problems and math tutorials check out my full math help program at https://tcmathacademy.com/

From playlist GED Prep Videos

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Tanya and Tim Chartier - Mime-matics - CoM Apr 2021

In Mime-matics, Tanya and Tim Chartier explore mathematical ideas through the art of mime. Whether creating an illusion of an invisible wall, wearing a mask covered with geometric shapes or pulling on an invisible rope, Tim and Tanya Chartier delve into mathematical concepts such as estima

From playlist Celebration of Mind 2021

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Sketching graphs of reciprocal functions. Chris Tisdell UNSW Sydney

This is a simple video that uses an example to illustrate how to sketch graphs of reciprocal functions. Such an example is seen in high-school or first-year university mathematics courses. Graphs can convey complete information about functions in a simple, visual way. Thus, graphs are

From playlist University Calculus. Dr Chris Tisdell, UNSW Sydney

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NES Middle Grades Mathematics

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From playlist NES Exams

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Trigonometry - Sketch an angle using a point

Many times we think of angles floating around in space, but we can connect them to what you already know about graphs by putting them on a coordinate axis. Watch in the examples how we can take a point, and use it to define an angle. For more videos please visit http://www.mysecretmathtu

From playlist Trigonometry

Related pages

Functor | Natural transformation | Model theory | Theory (mathematical logic) | Mathematics | Cone (category theory) | Category (mathematics) | Charles Ehresmann