- Vector calculus - From Wikipedia, the free encyclopedia
Vector calculus (also called vector analysis) is a field of mathematics concerned with multivariate real analysis of vectors in two or more dimensions. It consists of a suite of formulas and problem solving techniques very useful for engineering and physics. Vector analysis has its origin in quaternion analysis, and was formulated by the American scientist, J. Willard Gibbs . It concerns vector fields, which associate a vector to every point in space, and scalar fields, which associate a scalar to every point in space. For example, the temperature of a swimming pool is a scalar field: to each point we associate a scalar value of temperature. The water flow in the same pool is a vector field: to each point we associate a velocity vector.
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in Educational > Mathematics > Ideas/Explanations/Wiki or Mathworld lookups
Note: The summary of gradient, curl and divergence is particularly good.
- Vector Art with Photoshop - Online Tutorial at Melissa Clifton page 1
Vector art is REALLY popular at the moment. Everyone is making vector art. It's not hard to do and you don't need to be able to draw to create it. Be warned though, vector art does take a lot of time and patience. Especially if you want to create OUTSTANDING art. In this tutorial I hope to shed some light on how to make vector art and more importantly how to make really great vector art with Photoshop.
Enjoy this impressive showcase of free Photoshop tutorials, 2D and 3D animation, illustration, concept art and character design by New Zealand artists
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in Design > Digital Design > Photoshop by 3 users
Note: Looks bloody cool, but talk about a serious number of hours! Probably worth checking out some of her other tutorials too.
vector from all users