This post categorized under Vector and posted on August 23rd, 2018.

Example three-dimensional vector field. The structure of the vector field is difficult to visualize but rotating the graph with the mouse helps a little.In this section we will introduce the concepts of the curl and the divergence of a vector field. We will also give two vector forms of Greens Theorem and show how the curl can be used to identify if a three dimensional vector field is conservative field or not.div divergence(XYUV) computes the divergence of a 2-D vector field U V. The arrays X and Y which define the coordinates for U and V must be monotonic but do not need to be uniformly spaced.

Divergent vector field with embedded sphere. A sphere is embedded in an expanding vector field that could represent fluid flow. The fact that fluid is flowing out of the sphere is a sign of the positive divergence of the vector field.The divergence of a vector field F PQR is defined as the partial derivative of P with respect to x plus the partial derivative of Q with respect to y plus the partial derivative of R with respect to z.

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The Divergence Theorem says that we can also evaluate the integral in Example 3 by integrating the divergence of the vector field F over the solid [more]