You can use reduction operators, which return a matrix of reduced dimension, in place of values for subscripts to get reductions across all rows and columns. Table 4.3 lists the eight operators for ...

In my Linear Algebra class we use a lot of MATLAB-- including on our timed tests and all throughout our class meetings. I want to stress to students that using professional-grade technological tools ...

A well-known problem in numerical ecology is how to recombine presence-absence matrices without altering row and column totals. A few solutions have been proposed, but all of them present some issues ...