7. แถวลำดับ

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รหัสที่ 7-26  เมท็อดการคูณเวกเตอร์กับเมทริกซ์
  public static double[] multiply(double[] v, double[][] a) {
    if (v.length != a.length) {
      throw new IllegalArgumentException("มิติไม่เท่ากัน");
    }
    double[] u = new double[a[0].length];
    for (int i = 0; i < u.length; i++) {
      for (int k = 0; k < v.length; k++) {
        u[i] += v[k]*a[k][i];  
      }
    }
    return u;
  }
©2009 S.Prasitjutrakul