x = poissinv(y, lambda)
| Parameter | Description |
|---|---|
| y | real numeric array of probabilities. |
| lambda | nonnegative rate parameter. |
| Parameter | Description |
|---|---|
| x | smallest integer values whose cumulative probabilities are at least y. |
poissinv computes inverse lower-tail Poisson probabilities.
y = [0.025 0.5 0.975];
x = poissinv(y, 4);| Version | Description |
|---|---|
| 2.0.0 | initial version |