Find maximum values in the array x.

Install GNU Octave on macOS and getting started with the image processing package Posted on July 11, 2019 by Paul. In this article, I will show you how to install and get started with GNU Octave on macOS. In order to test the installation and to exemplify the usage, I will show you how to use Octave for a simple image processing application. At the time of this writing, the latest stable.

For a vector argument, return the maximum value. For a matrix argument,return a row vector with the maximum value of each column. For amulti-dimensional array, max operates along the first non-singletondimension.

If the optional third argument dim is present then operate alongthis dimension. In this case the second argument is ignored and should beset to the empty matrix.

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For two matrices (or a matrix and a scalar), return the pairwise maximum.

Thus,

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returns the largest element of the 2-D matrix x, and

compares each element of the range 2:5 with pi, and returns arow vector of the maximum values.

For complex arguments, the magnitude of the elements are used forcomparison. If the magnitudes are identical, then the results are orderedby phase angle in the range (-pi, pi]. Hence,

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because all entries have magnitude 1, but -1 has the largest phase anglewith value pi.

If called with one input and two output arguments, max also returnsthe first index of the maximum value(s). Thus,

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See also: min, cummax, cummin.