本文整理了Java中Jama.Matrix.trace()方法的一些代码示例，展示了Matrix.trace()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Matrix.trace()方法的具体详情如下：
包路径：Jama.Matrix
类名称：Matrix
方法名：trace

Matrix.trace介绍

暂无

代码示例

代码示例来源：origin: com.github.yannrichet/JMathArray

public static double trace(double[][] v) {
  return new Matrix(v).trace();
}

代码示例来源：origin: net.sourceforge/javaml

public double measure(Instance i, Instance j) {
  //XXX optimize
  double[][] del = new double[3][1];
  for (int m = 0; m < 3; m++) {
    for (int n = 0; n < 1; n++) {
      del[m][n] = i.value(m) - j.value(m);
    }
  }
  Matrix M1 = new Matrix(del);
  Matrix M2 = M1.transpose();
  double[][] covar = new double[3][3];
  for (int m = 0; m < 3; m++) {
    for (int n = 0; n < 3; n++) {
      covar[m][n] += (i.value(m) - j.value(m)) * (i.value(n) - j.value(n));
    }
  }
  Matrix cov = new Matrix(covar);
  Matrix covInv = cov.inverse();
  Matrix temp1 = M2.times(covInv);
  Matrix temp2 = temp1.times(M1);
  double dist = temp2.trace();
  if (dist > 0.)
    dist = Math.sqrt(dist);
  return dist;
}

代码示例来源：origin: openimaj/openimaj

/**
 * Convert a 3D rotation matrix to a Rodrigues rotation vector, which is
 * oriented along the rotation axis, and has magnitude equal to the rotation
 * angle.
 *
 * @param R
 *            the rotation matrix
 * @return the Rodrigues rotation vector
 */
public static double[] rodrigues(Matrix R) {
  final double w_norm = Math.acos((R.trace() - 1) / 2);
  if (w_norm < 10e-10) {
    return new double[3];
  } else {
    final double norm = w_norm / (2 * Math.sin(w_norm));
    return new double[] {
        norm * (R.get(2, 1) - R.get(1, 2)),
        norm * (R.get(0, 2) - R.get(2, 0)),
        norm * (R.get(1, 0) - R.get(0, 1))
    };
  }
}

代码示例来源：origin: percyliang/fig

double t1 = -0.5 * delta.times(inverse).trace();
double t2 = -kappa/2.0 * norm(inverse, mu.minus(scriptV));
return normalizer + t1 + t2;

代码示例来源：origin: gov.nist.math/jama

int t = (int) M.trace();
print(fixedWidthIntegertoString(t,10));

代码示例来源：origin: gov.nist.math/jama

check(A.trace(),sumofdiagonals);
  try_success("trace()...","");
} catch ( java.lang.RuntimeException e ) {