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# _ufuncs.psi

All Samples(4)  |  Call(2)  |  Derive(0)  |  Import(2)

src/s/c/scipy-0.13.3/scipy/special/basic.py   scipy(Download)
```        where, mgrid, cos, sin, exp, place, seterr, issubdtype, extract, \
less, vectorize, inexact, nan, zeros, sometrue, atleast_1d
from ._ufuncs import ellipkm1, mathieu_a, mathieu_b, iv, jv, gamma, psi, zeta, \
hankel1, hankel2, yv, kv, gammaln, ndtri, errprint
from . import _ufuncs
```
```    n, x = asarray(n), asarray(x)
fac2 = (-1.0)**(n+1) * gamma(n+1.0) * zeta(n+1,x)
return where(n == 0, psi(x), fac2)

```

src/s/c/scipy-HEAD/scipy/special/basic.py   scipy(Download)
```        where, mgrid, cos, sin, exp, place, seterr, issubdtype, extract, \
less, vectorize, inexact, nan, zeros, sometrue, atleast_1d
from _ufuncs import ellipkm1, mathieu_a, mathieu_b, iv, jv, gamma, psi, zeta, \
hankel1, hankel2, yv, kv, gammaln, ndtri
import _ufuncs
```
```    n, x = asarray(n), asarray(x)
fac2 = (-1.0)**(n+1) * gamma(n+1.0) * zeta(n+1,x)
return where(n == 0, psi(x), fac2)

def mathieu_even_coef(m,q):
```