Examples with FisherInformationMatrix uk.ac.sussex.gdsc.smlm.fitting.FisherInformationMatrix used on opensource projects

Example 16 with FisherInformationMatrix

use of uk.ac.sussex.gdsc.smlm.fitting.FisherInformationMatrix in project GDSC-SMLM by aherbert.

the class SteppingFunctionSolver method computeDeviationsAndValues.

/**
 * Compute the deviations for the parameters a from the last call to
 * {@link #computeFitValue(double[])}. Optionally store the function values.
 *
 * @param parametersVariance the parameter deviations
 * @param fx the function values f(x) (may be null)
 */
protected void computeDeviationsAndValues(double[] parametersVariance, double[] fx) {
    // Use a dedicated solver optimised for inverting the matrix diagonal.
    // The last Hessian matrix should be stored in the working alpha.
    final FisherInformationMatrix m = computeLastFisherInformationMatrix(fx);
    setDeviations(parametersVariance, m);
}