(Tensors...) a sequence of 2 or more 2-D tensors whose product is to be determined.
TEST
Returns the matrix product of the \(N\) 2-D tensors. This product is efficiently computed
using the matrix chain order algorithm which selects the order in which incurs the lowest cost in terms
of arithmetic operations ([CLRS]_). Note that since this is a function to compute the product, \(N\)
needs to be greater than or equal to 2; if equal to 2 then a trivial matrix-matrix product is returned.
If \(N\) is 1, then this is a no-op - the original matrix is returned as is.
if (torch_is_installed()) {
a = torch_randn(c(3, 4))
b = torch_randn(c(4, 5))
c = torch_randn(c(5, 6))
d = torch_randn(c(6, 7))
torch_chain_matmul(list(a, b, c, d))
}