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double[][] x  = new double[zeilen][spalten]
double[][] y  = new double[zeilen][spalten]
double[][] z  = new double[zeilen][spalten]

for(int i=1; i<zeile.length ; i++){

    for(int k=1; k<zeile.length ; k++){

        x[i][k] = dx_oa + i * dx_ab/a + k * dx_ad/d
        y[i][k] = dy_oa + i * dy_ab/a + k * dy_ad/d
        z[i][k] = dz_oa + i * dz_ab/a + k * dz_ad/d

    }

}