Error Calculation

Error: is when the true value is known in advance X (true), then after measurement X( measured) the error committed can be known, so error is the difference between the measured value and the true value of this quantity X

Absolute Error = | X m X t | Absolute Error = abs{ X_m - X_t }

Also the relative error is defined as

Relative Error = | X m X t | X m Relative Error = {abs{ X_m - X_t } } over { X_{m}}