.cpp

#include "matrixadt.h"
#include <iostream>
using namespace std;


MatrixADT::MatrixADT()
{


}


void MatrixADT::create(int eixoX,int eixoY){
    this->eixoX = eixoX;
    this->eixoY = eixoY;
    this->mtz[eixoX][eixoY];
}
void MatrixADT::setElementAt(int eixoX,int eixoY,double value){
    this->mtz[eixoX][eixoY] = value;
}

double MatrixADT::getElementAt(int eixoX,int eixoY)
{
    return this->mtz[eixoX][eixoY];
}
void MatrixADT::multiplyBy(double k){
    for(int i; i < this->eixoX;i++){
        for(int j; j < this->eixoY;j++)
        {
            this->mtz[i][j] *= k;
        }
    }
}
double MatrixADT::determinant()
{
    switch (this->eixoX) {
    case 3:
        return ((this->mtz[1][1]*this->mtz[2][2]*this->mtz[3][3]) + (this->mtz[1][2]*this->mtz[2][3]*this->mtz[1][3]) + (this->mtz[3][3]*this->mtz[2][1]*this->mtz[3][2]))-((this->mtz[1][3]*this->mtz[2][2]*this->mtz[3][1]) + (this->mtz[1][1]*this->mtz[2][3]*this->mtz[3][2]) + (this->mtz[1][2]*this->mtz[2][1]*this->mtz[3][3]));

        break;
    default:
        break;
    }
}

QString MatrixADT::toString(){
    for(int i = 0;i < this->eixoX;i++)
    {
        for(int j = 0;i < this->eixoY ;j++){

            cout << mtz[i][j] << " ";

            if(i == this->eixoX - 1){
                cout << "\n";
            }
        }
    }
}
MatrixADT *MatrixADT::transpose(){
    int aux;
    for(int i = 0;i < this->eixoX;i++)
    {
        for(int j = 0;i < this->eixoY;j++){
            aux = this->mtz[i][j];
            this->mtz[i][j] = this->mtz[j][i];
            this->mtz[j][i] = aux;
        }
    }

}