code: public static SimpleMatrix random_DDRM(int numRows, int numCols, double minValue, double maxValue, Random rand) {
          SimpleMatrix ret = new SimpleMatrix(numRows,numCols);
          RandomMatrices_DDRM.fillUniform((DMatrixRMaj)ret.mat,minValue,maxValue,rand);
          return ret;
      }
docs: <p>
  Creates a new SimpleMatrix with random elements drawn from a uniform distribution from minValue to maxValue.
  </p>
  
  @see RandomMatrices_DDRM#fillUniform(DMatrixRMaj,java.util.Random)
  
  @param numRows The number of rows in the new matrix
  @param numCols The number of columns in the new matrix
  @param minValue Lower bound
  @param maxValue Upper bound
  @param rand The random number generator that's used to fill the matrix.  @return The new random matrix.