### Navigation

- index
- modules |
- modules |
- next |
- previous |
- SciPy v0.9 Reference Guide (DRAFT) »
- Special functions (`scipy.special`) »

# scipy.special.gammainccinv

`scipy.special.``gammainccinv`(x1, x2[, out])

  x=gammainccinv(a,y) returns x such that gammaincc(a,x) = y.

### Navigation

- index
- modules |
- modules |
- next |
- previous |
- SciPy v0.9 Reference Guide (DRAFT) »
- Special functions (`scipy.special`) »