Function matrixOrigin

browser.js:3935–3961

(m, stateIndex)

      var jsonString = JSON.stringify(this.toJSON());

      function matrixOrigin(m, stateIndex) {
        for (var i = 0, max = states.length; i < max; i++) {
          var state = states[i];

          if (i === stateIndex) {
            var j = previousConnectionIndex(m);
            switch (m) {
              case state.left:
                if (j > -1) {
                  return 'typeof prevStates[' + j + '] === \'object\' ? prevStates[' + j + '].product : new Matrix(' + m.rows + ', ' + m.columns + ')';
                }
              case state.right:
                if (j > -1) {
                  return 'typeof prevStates[' + j + '] === \'object\' ? prevStates[' + j + '].product : new Matrix(' + m.rows + ', ' + m.columns + ')';
                }
              case state.product:
                return 'new Matrix(' + m.rows + ', ' + m.columns + ')';
              default:
                throw Error('unknown state');
            }
          }

          if (m === state.product) return 'states[' + i + '].product';
          if (m === state.right) return 'states[' + i + '].right';
          if (m === state.left) return 'states[' + i + '].left';
        }
      }

      function previousConnectionIndex(m) {
        var connection = model.equationConnections[0];