Measurement (Hipparchus 1.4 API)

```
public interface Measurement
```
Interface defining a measurement on process.

Since:

1.3

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`RealMatrix`	`getCovariance()`	Get the measurement covariance.
`double`	`getTime()`	Get the process time.
`RealVector`	`getValue()`	Get the measurement vector.

- Method Detail
  - getTime
```
double getTime()
```
    Get the process time.
    
    Returns:
    
    process time (typically the time or index of a measurement)
  - getValue
```
RealVector getValue()
```
    Get the measurement vector.
    
    Returns:
    
    measurement vector
  - getCovariance
```
RealMatrix getCovariance()
```
    Get the measurement covariance.
    
    Returns:
    
    measurement covariance