
A2.5 Ox exported mathematics functions 51
double DRanT(int iDf);
double DRanU();
Return value
Returns random numbers from various distributions.
DRanU generates uniform (0, 1) pseudo random numbers according to the active
generation method (see RanSetRan).
DRanNormalPM standard normals (PM = polar-Marsaglia).
DTail...
double DTailProbChi(double x, double dDf);
double DTailProbF(double x, double dDf1, double dDf2);
double DTailProbNormal(double x);
double DTailProbT(double x, int iDf);
Return value
Probabilities of values greater than x.
DTrace, DTraceAB
double DTrace(MATRIX mat, int cA);
double DTraceAB(MATRIX mA, MATRIX mB, int cM, int cN);
mA[cM][cN] in: matrix
mB[cN][cM] in: matrix
Return value
DTrace returns the trace of A.
DTraceAB returns the trace of AB.
DVecsum
double DVecsum(VECTOR vA, int cA);
vA[cA] in: vector
Return value
DVecsum returns the sum of the elements in the vector.
EigVecDiv
void EigVecDiv(MATRIX mE, VECTOR vEr, VECTOR vEi, int cA)
vEr[cA] out: real part of eigenvalues
vEi[cA] out: imaginary part of eigenvalues
mE[cA][cA] in: matrix with eigenvectors in rows
out: rescaled eigenvectors
Return value
Scales each eigenvector (in rows) with the largest row element.
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