unifinv (Statistics Toolbox)

Inverse continuous uniform cumulative distribution function (cdf)

Syntax

```
X = unifinv(P,A,B)
```

Description

X = unifinv(P,A,B) computes the inverse of the uniform cdf with parameters A and B (the minimum and maximum values, respectively) at the corresponding probabilities in P. Vector or matrix inputs for P, A, and B must all have the same size. A scalar input is expanded to a constant matrix with the same dimensions as the other inputs.

The inverse of the uniform cdf is

The standard uniform distribution has A = 0 and B = 1.

Examples

What is the median of the standard uniform distribution?

median_value = unifinv(0.5)
median_value =
    0.5000

What is the 99th percentile of the uniform distribution between -1 and 1?

percentile = unifinv(0.99,-1,1)
percentile =
    0.9800

unifcdf unifit