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Machine quilting needles are very sharp in order to readily pierce layers of quilt and properly sew together the quilt top, batting and backing. Hand quilting needles are traditionally called betweens and are generally smaller and stronger than normal sewing needles. They have a very small eye which prevents any extra bump at the head of the ...
The smart grid is an enhancement of the 20th century electrical grid, using two-way communications and distributed so-called intelligent devices. [1] Two-way flows of electricity and information could improve the delivery network.
A problem in solving partial differential equations using previous methods is that the grid is constructed and the points are distributed in the physical domain before details of the solution is known. So the grid may or may not be the best for the given problem. [8] Adaptive methods are used to improve the accuracy of the solutions. The ...
The quilting can either outline the patchwork motifs, or be a completely independent design, for when quilting, the design may not necessarily follow the patchwork design, and the design of the quilting may play off the patchwork design. Outline quilting is when the pieces of the pattern are outlined by the quilting stitches. [1]
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In numerical analysis, given a square grid in one or two dimensions, the five-point stencil of a point in the grid is a stencil made up of the point itself together with its four "neighbors". It is used to write finite difference approximations to derivatives at grid points. It is an example for numerical differentiation.
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