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You may already know how to get the row and column index from a matrix, and the logical indexing technique but there is another way to reference specific elements in a matrix.

Absolute indexing refers to specific elements with a single scalar rather than two (row and column). The upper left entry is value 1, the lower right is the highest value. MATLAB is column major, so you count down the rows in a specific column first, moving right as needed until you reach the end.

Indexing into a vector is really using this kind of indexing, but it is more natural feeling.

Use Find.

Given a matrix M, return the absolute indices where M is greater than scalar, LB (Lower Bound) and less than UB (Upper Bound). (See Binary comparison to satisfy two conditions)

121 correct solutions
24 incorrect solutions

Last solution submitted on Jul 12, 2016