efficiente-index-reproduction

fetch('https://api.portfoliooptimizer.io/v1/portfolio/optimization/mean-variance-efficient',
      { 
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({ assets: 13,
                               assetsReturns: [...],
                               assetsCovarianceMatrix: [[...], ...],
                               constraints: { 
                                              portfolioVolatility: 0.05/Math.sqrt(260),
                                              maximumAssetsWeights: [0.20,0.10,0.20,0.20,0.20,0.20,0.20,0.20,0.10,0.10,0.20,0.50,0.50],
                                              assetsGroups: [[1,2,3],[4,5,6],[7,8],[9,10,11],[12,13]],
                                              maximumAssetsGroupsWeights: [0.50,0.50,0.25,0.25,0.50]
                                            }
                             })
      })