TMtxMulLinReg::ValidSystem Method

Returns: True if TMtxMulLinReg::A is not zero matrix and TMtxMulLinReg::A.Rows (number of observables) is equal to TMtxMulLinReg::Y.Length.

Copy#include "MtxVec.h"
#include "StatTools.h"

using namespace Dew;
using namespace Dew::Math;
using namespace Dew::Stats;

void Example()
{
    TMtxMulLinReg* MtxMulLinReg1 = new TMtxMulLinReg(nullptr);
    // ...
    // y = A*b
    MtxMulLinReg1->A->SetIt(3,2,false,DewArray<double>
        {-5,2, 1,4, 8,0.5});
    MtxMulLinReg1->Y->SetIt(false,DewArray<double> {-2, 1,11});
    MtxMulLinReg1->UseWeights = false;
    if (MtxMulLinReg1->ValidSystem()) MtxMulLinReg1->Recalc();
    // ...
    delete MtxMulLinReg1;
}