//Vẽ đồ thị với các sai số bất đối xứng TGraphAsymmErrors
// Báo lỗi chưa chạy được

{
	TCanvas *c1 = new TCanvas("c1", "A simple Graph with asymmetric error bars", 200, 10, 700, 500);
	c1->SetGrid();
	
	//creat the arrays for the points
	const Int_t n = 10;
	Double_t x[n] = {0.22,.05,.25,.35,.5, .61,.7,.85,.89,.95};
	Double_t y[n] = {1.,2.9,5.6,7.4,9,9.6,8.7,6.3,4.5,1.};
	
	// creat the arrays with high and low errors
	Double_t exl[n] = {.05,.1,.07,.07,.04,.05,.06,.07,.08,.05};
	Double_t eyl[n] = {.8,.7,.6,.5,.4,.4,.5,.6,.7,.8};
	Double_t exh[n] = {.02,.08,.05,.05,.03,.03,.04,.05,.06,.03};
	Double_t eyh[n] = {.6,.5,.4,.3,.2,.2,.3,.4,.5,.6};
	
	// creat TGraphAsymmErrors with the arrays
	gr = new TGraphAsymmErrors(n, x, y, exl, exh, eyl, eyh);
	gr->SetTitle("TGraphAsymmErrors Example");
	gr->SetMarkerColor(4);
	gr->SetMarkerStyle(21);
	gr->Draw("ALP");
	
}