public static RealMatrix randMatrix(int rows, int cols) {
RealMatrix res = MathFactory.createRealMatrix(rows, cols);
for (int i = 0; i < rows; i++) {
res.setRow(i, randVector(cols).getData());
}
return res;
}
public static RealVector randVector(int dim) {
Random r = new Random();
r.setSeed(System.currentTimeMillis());
RealVector res = MathFactory.createRealVector(dim);
for (int i = 0; i < dim; i++) {
res.setEntry(i, r.nextDouble());
}
return res;
}
/* (非 Javadoc)
* @see jp.ac.ritsumei.is.hpcss.cellMLonGPU.mathML.MathFactor#createCopy()
*/
public MathFactor createCopy() throws MathException {
return MathFactory.createOperand(m_operandKind, m_strPresentText, m_dValue);
}
