LinearProgramming/index.html at main · speyar/LinearProgramming · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Simplex Solver</title>
    <link rel="stylesheet" href="styles.css">
    <script src="libs/math.js" type="text/javascript"></script>
    <script type="text/javascript" src="libs/polyfill.min.js"></script>
    <script id="MathJax-script" src="libs/LaTaX/es5/tex-mml-chtml.js"></script>
</head>
<body>
    <div id="app" class="app-container">
        <div class="input-container">
            <label for="num-variables">Variables:</label>
            <input type="number" id="num-variables">
            <label for="num-constraints">Constraints:</label>
            <input type="number" id="num-constraints">
            <label for="obj-type">Z:</label>
            <select id="obj-type">
                    <option value="min">min</option>
                    <option value="max">max</option>
            </select>
            <label for="isMatricielle">Method:</label>
            <select id="Method">
                <option value="simplex">Simplex</option>
                <option value="matrix">Matrix</option>
            </select>
            <div id="objective-coefficients" class="coefficients-container"></div>
            <label for="constraints">Constraints:</label>
            <div id="constraints-coefficients" class="coefficients-container"></div>
            <button onclick="initializeSimplex()" class="start-button">Start</button>
        </div>
        <div id="output-container">
        </div>
    </div>
    <script src="libs/simplex_s_f_w_w.js"></script>
    <script>
        document.getElementById('num-variables').addEventListener('change', x);
        document.getElementById('num-constraints').addEventListener('change', y);

        function x() {
            var numVariables = parseInt(document.getElementById('num-variables').value);
            var objectiveCoefficientsContainer = document.getElementById('objective-coefficients');
            objectiveCoefficientsContainer.innerHTML = "";
            for (var i = 1; i <= numVariables; i++) {
                var input = document.createElement('input');
                input.type = 'number';
                input.id = 'obj-coeff-' + i;
                objectiveCoefficientsContainer.appendChild(input);
                input.placeholder = 'x' + i;
                if (i < numVariables) {
                    objectiveCoefficientsContainer.appendChild(document.createTextNode('+'));
                }
            }
        }
        function y() {
            var numVariables = parseInt(document.getElementById('num-variables').value);
            var numConstraints = parseInt(document.getElementById('num-constraints').value);
            var constraintsCoefficientsContainer = document.getElementById('constraints-coefficients');
            constraintsCoefficientsContainer.innerHTML = "";
            for (var i = 1; i <= numConstraints; i++) {
                var constraintLabel = document.createElement('div');
                constraintLabel.classList.add('constraint-row');
                for (var j = 1; j <= numVariables; j++) {
                    var input = document.createElement('input');
                    input.type = 'number';
                    input.id = 'constraint-coeff-x' + j + '-' + i;
                    constraintLabel.appendChild(input);
                    input.placeholder = 'x' + j;
                    if (j < numVariables) {
                        constraintLabel.appendChild(document.createTextNode('+'));
                    }
                }
                var select = document.createElement('select');
                select.id = 'constraint-type-' + i;
                var options = ['<=', '=', '>='];
                for (var k = 0; k < options.length; k++) {
                    var option = document.createElement('option');
                    option.value = options[k];
                    option.text = options[k];
                    select.appendChild(option);
                }
                constraintLabel.appendChild(select);
                var constraintInput = document.createElement('input');
                constraintInput.type = 'number';
                constraintInput.id = 'constraint-bi-' + i;
                constraintLabel.appendChild(constraintInput);
                constraintsCoefficientsContainer.appendChild(constraintLabel);
            }
        }
    </script>
</body>
</html>