mirror of
https://github.com/jlengrand/LAFF.git
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169 lines
4.7 KiB
HTML
Executable File
169 lines
4.7 KiB
HTML
Executable File
<!DOCTYPE html>
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<html>
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<head>
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<title>LU</title>
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<link rel="stylesheet" href="style.css">
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<script src="util.js"></script>
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<script src="others.js"></script>
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<script src="problems.js"></script>
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</head>
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<script>
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const DIM = 3;
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var L = new Array();
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var U = new Array();
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var A = new Array();
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var x = new Array();
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var b = new Array();
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var gaussL = new Array();
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const UPPER = false;
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const LOWER = true;
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var cur_step = 1;
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var cur_step_b = 1;
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random_array(DIM*DIM,L);
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random_array(DIM*DIM,U);
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random_array(DIM, x);
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zero_array(DIM*DIM,A);
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zero_array(DIM, b);
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zero_array(DIM*DIM, gaussL);
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triangularize(U,UPPER);
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triangularize(L,LOWER);
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unitfy(L,DIM);
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multiply_matrix(/*NO_TRANS, NO_TRANS, */
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DIM, DIM, DIM,
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/*1.0,*/ L, DIM, U,DIM,
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/*1.0,*/ A, DIM);
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multiply_matrix(/*NO_TRANS, NO_TRANS, */
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DIM, 1, DIM,
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/*1.0,*/ A, DIM, x, 1,
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/*1.0,*/ b, 1);
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var cur_data = new Array();
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for (var i = 0; i != 4; ++i){
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cur_data.push({
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step: 1,
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curA: new Array(),
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curb: new Array(),
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curAb: new Array()});
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with (cur_data[cur_data.length-1]){
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zero_array(DIM*DIM,curA);
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zero_array(DIM, curb);
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zero_array(DIM*(DIM+1),curAb);
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for (var j = 0; j != DIM*DIM; ++j){
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curA[j] = A[j];
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curAb[j] = A[j];
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}
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for (var j = 0; j != DIM; ++j){
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curb[j] = b[j];
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curAb[j+DIM*DIM] = b[j];
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}
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}
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}
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var take = 1;
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var curA = cur_data[0].curA;
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var curb = cur_data[0].curb;
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var curAb = cur_data[0].curAb;
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</script>
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<body>
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<input type="button" value="Problem 1" id="p0" onClick="select_problem(this.id)"/>
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<input type="button" value="Problem 2" id="p1" onClick="select_problem(this.id)"/>
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<input type="button" value="Problem 3" id="p2" onClick="select_problem(this.id)"/>
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<input type="button" value="Problem 4" id="p3" onClick="select_problem(this.id)"/>
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<input type="button" value="Problem 5" id="p4" onClick="select_problem(this.id)"/>
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<input type="button" value="Random Problem" onClick="display_problem()"/>
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<div> <br><br></div>
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<div class="exercise" id="take1" onClick="context_switch(this)">
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<div class="take"> 6.2.1 Reducing a System of Linear Equations to an Upper
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Triangular System </div>
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<div id="take1-exercise">
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<div id="Step0-1">
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<h2>Original Equation</h2>
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<input type="button" value="Next" onClick="next(this)"/>
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</div>
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<div id="Step1-1" style="display:none">
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<h2>After 1 Step</h2>
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<input type="button" value="Next" onClick="next(this)"/>
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</div>
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<div id="Step2-1" style="display:none">
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<h2>After 2 Steps</h2>
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</div>
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</div>
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</div>
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<div class="exercise" id="take2" onClick="context_switch(this)">
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<div class="take">6.2.2 Appended Matrix</div>
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<div id="take2-exercise">
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<div id="Step0-2">
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<h2>Original Appended Matrix</h2>
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<input type="button" value="Next" onClick="next(this)"/>
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</div>
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<div id="Step1-2" style="display:none">
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<h2>After 1 Step</h2>
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<input type="button" value="Next" onClick="next(this)"/>
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</div>
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<div id="Step2-2" style="display:none">
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<h2>After 2 Steps</h2>
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</div>
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</div>
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</div>
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<div class="exercise" id="take3" onClick="context_switch(this)">
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<div class="take">6.2.3 Gauss Transforms</div>
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<div id="take3-exercise">
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<div id="Step0-3">
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<h2>Original Appended Matrix</h2>
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<input type="button" value="Next" onClick="next(this)"/>
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</div>
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<div id="Step1-3" style="display:none">
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<h2>After 1 Step</h2>
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<input type="button" value="Next" onClick="next(this)"/>
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</div>
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<div id="Step2-3" style="display:none">
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<h2>After 2 Steps</h2>
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</div>
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</div>
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</div>
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<div class="exercise" id="take4" onClick="context_switch(this)">
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<div class="take"> 6.2.4 Separate Forward Substitution </div>
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<div id="take4-exercise">
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<div class="float-exercise">
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<div id="Step0-4">
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<h2>Original Matrix A</h2>
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<input type="button" value="Next" onClick="next(this)"/>
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</div>
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<div id="Step1-4" style="display:none">
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<h2>After 1 Step</h2>
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<input type="button" value="Next" onClick="next(this)"/>
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</div>
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<div id="Step2-4" style="display:none">
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<h2>After 2 Steps</h2>
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</div>
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</div>
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<div class="float-exercise">
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<div id="Step0b-4" style="display:none">
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<h2>Original Vector b</h2>
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</div>
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<div id="Step1b-4" style="display:none">
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<h2>After 1 Step</h2>
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</div>
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<div id="Step2b-4" style="display:none">
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<h2>After 2 Steps</h2>
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</div>
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</div>
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</div>
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</div>
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</body>
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<script>
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</html>
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