public void print(PrintStream ps) {
for (int i = 0; i < rows; i++) {
for (int j = 0; j < cols; j++) {
Format.print(ps, "%8.2f", value[i][j]);
}
ps.println();
}
}
public void printE(PrintStream ps) {
for (int j = 0; j < rows; j++) {
Format.print(ps, "%15.4e", e[j]);
}
}