[1/x] now returns inverse matrix rather than elementwise inverse
[1/x] now acts just like [M]^(-1) for matrices
You can still get elementwise inversion with 1 x<>y /
Addresses #1374
[1/x] now acts just like [M]^(-1) for matrices
You can still get elementwise inversion with 1 x<>y /
Addresses #1374