This table may help clear up the confusion.
| Matlab | Julia 0.4 | Julia 0.5 | Julia 0.6 | Julia 0.7 | Julia 1.x | |
|---|---|---|---|---|---|---|
sqrtm(a) |
M | M | M | M | M* | E |
sqrt(a) |
P | P | P | P* | M | M |
sqrt.(a) |
E | E | P | P | P | P |
| where | ||||||
| — | — | |||||
| M | Matrix square root | |||||
| P | Pointwise square root | |||||
| * | Deprecated | |||||
| E | Error |
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