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Learn SAS
Rick Wicklin 0
Grids and linear subspaces

A grid is a set of evenly spaced points. You can use SAS to create a grid of points on an interval, in a rectangular region in the plane, or even in higher-dimensional regions like the parallelepiped shown at the left, which is generated by three vectors. You can use

Marcel Lemahieu 0
Using SAS and open source: a hybrid approach

The automotive industry will face a huge challenge for several years. With the Paris Agreement made during the United Nations conference on climate change last year, world leaders agreed to hold the increase in average temperature to well below 2°C by placing restrictions on carbon emissions. How can automakers design

Rick Wicklin 0
Compute the square root matrix

Children in primary school learn that every positive number has a real square root. The number x is a square root of s, if x2 = s. Did you know that matrices can also have square roots? For certain matrices S, you can find another matrix X such that X*X

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