What are common challenges faced by beginners when trying to solve equations and graph functions in PHP?

Beginners often struggle with understanding the syntax and logic required to solve equations and graph functions in PHP. One common challenge is properly defining variables and utilizing mathematical operators to perform calculations. Another issue is correctly implementing functions and loops to iterate through data points for graphing. 

// Define variables and perform calculations for equations
$a = 5;
$b = 3;
$c = $a + $b;
echo "The sum of $a and $b is $c";

// Implement functions and loops for graphing functions
function graphFunction($x) {
    return $x * $x;
}

for ($i = 0; $i <= 10; $i++) {
    echo "f($i) = " . graphFunction($i) . "\n";
}

Keywords

Syntax errors mathematical functions graphing libraries debugging techniques variable manipulation

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