Class : BCA/ BSC 2nd year
Subject: Web development using php and MySQL
Subject type: vocational
Compiled by: Asst. Prof. Vibha barod
Technical Terms in Matrix Addition
1️⃣ Matrix
A matrix is a rectangular arrangement of elements (numbers) in rows and columns.
2️⃣ Order of Matrix
The order of a matrix is written as
m = number of rows
n = number of columns
👉 Matrix addition is possible only when matrices have the same order.
💻 Program
<!DOCTYPE html>
<html>
<body>
<form method="post">
<input type="number" name="a00" required>
<input type="number" name="a01" required><br><br>
<input type="number" name="a10" required>
<input type="number" name="a11" required><br><br>
<input type="number" name="b00" required>
<input type="number" name="b01" required><br><br>
<input type="number" name="b10" required>
<input type="number" name="b11" required><br><br>
<input type="submit" name="submit" value="Add">
</form>
<?php
if (isset($_POST['submit'])) {
$A = [
[$_POST['a00'], $_POST['a01']],
[$_POST['a10'], $_POST['a11']]
];
$B = [
[$_POST['b00'], $_POST['b01']],
[$_POST['b10'], $_POST['b11']]
];
echo "<h3>Result</h3>";
for ($i = 0; $i < 2; $i++) {
for ($j = 0; $j < 2; $j++) {
echo ($A[$i][$j] + $B[$i][$j]) . " ";
}
echo "<br>";
}
}
?>
</body>
</html>
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