Monthly Archives: October 2020

What’s New in MATLAB R2020a and R2020b?

In this post I discuss new features in MATLAB R2020a and R2020b. As usual in this series, I focus on a few of the features most relevant to my work. See the release notes for a detailed list of the … Continue reading

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What Is the Singular Value Decomposition?

A singular value decomposition (SVD) of a matrix is a factorization where and are orthogonal, , where , and . Partition and . The are called the singular values of and the and are the left and right singular vectors. … Continue reading

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What Is the Complex Step Approximation?

In many situations we need to evaluate the derivative of a function but we do not have an explicit formula for the derivative. The complex step approximation approximates the derivative (and the function value itself) from a single function evaluation. … Continue reading

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