Inequalities: Difference between revisions

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Line 19: Line 19:
     ineq1 = b.create('inequality', [line1], {inverse: true}),
     ineq1 = b.create('inequality', [line1], {inverse: true}),


     line2 = b.create('line', [1, 2, -3]),
     line2 = b.create('line', [1, 2, -3]), // Line y = 2/3 x - 1
     ineq2 = b.create('inequality', [line2], {fillColor: 'yellow'});
     ineq2 = b.create('inequality', [line2], {fillColor: 'yellow'});



Revision as of 12:58, 16 December 2014

The JavaScript code

var b = JXG.JSXGraph.initBoard('box1', {boundingbox: [-5, 5, 5, -5], axis:true});
var c = b.create('slider', [[-3,4], [2,4], [-5,1,5]]),
    line1 = b.create('line', [function() { return [c.Value(), 0, -1]; }], {strokeColor: 'black'}),
    ineq1 = b.create('inequality', [line1], {inverse: true}),

    line2 = b.create('line', [1, 2, -3]), // Line y = 2/3 x - 1
    ineq2 = b.create('inequality', [line2], {fillColor: 'yellow'});