04-25-2017, 03:04 PM
print "Enter 3*3 Array Elements : ";
for($row=0; $row<3 ; $row++)
{
for($col=0; $col<3 ; $col++)
{
$matrix[$row][$col] = <STDIN>;
}
}
# Print the original matrix
print "Entered Matrix is : \n";
for($row=0; $row<3 ; $row++)
{
for($col=0; $col<3 ; $col++)
{
printf("%3d", $matrix[$row][$col]);
}
print "\n";
}
#Transposing the matrix
for($row=0; $row<3 ; $row++)
{
for($col=0; $col<3 ; $col++)
{
$matrix_transpose[$row][$col] = $matrix[$col][$row];
}
}
# Print the matrix in 3 integer spaces : "%3d"
print "Transpose of the Matrix is :\n";
for($row=0; $row<3 ; $row++)
{
for($col=0; $col<3 ; $col++)
{
printf("%3d", $matrix_transpose[$row][$col]);
}
print "\n";
}
# Check for Symmetric Matrix
$isSymmetric = 0;
for($row=0; $row<3 ; $row++)
{
for($col=0; $col<3 ; $col++)
{
if ($matrix[$row][$col] != $matrix[$col][$row])
{ $isSymmetric = 1; print $isSymmetric; }
}
}
if($isSymmetric==0)
{ print("Matrix is symmetric. \n"); }
else
{ print("Matrix is not symmetric. \n"); }
for($row=0; $row<3 ; $row++)
{
for($col=0; $col<3 ; $col++)
{
$matrix[$row][$col] = <STDIN>;
}
}
# Print the original matrix
print "Entered Matrix is : \n";
for($row=0; $row<3 ; $row++)
{
for($col=0; $col<3 ; $col++)
{
printf("%3d", $matrix[$row][$col]);
}
print "\n";
}
#Transposing the matrix
for($row=0; $row<3 ; $row++)
{
for($col=0; $col<3 ; $col++)
{
$matrix_transpose[$row][$col] = $matrix[$col][$row];
}
}
# Print the matrix in 3 integer spaces : "%3d"
print "Transpose of the Matrix is :\n";
for($row=0; $row<3 ; $row++)
{
for($col=0; $col<3 ; $col++)
{
printf("%3d", $matrix_transpose[$row][$col]);
}
print "\n";
}
# Check for Symmetric Matrix
$isSymmetric = 0;
for($row=0; $row<3 ; $row++)
{
for($col=0; $col<3 ; $col++)
{
if ($matrix[$row][$col] != $matrix[$col][$row])
{ $isSymmetric = 1; print $isSymmetric; }
}
}
if($isSymmetric==0)
{ print("Matrix is symmetric. \n"); }
else
{ print("Matrix is not symmetric. \n"); }