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"# Legendre\n",
"Example of first few Legendre Polynomials.\n",
"\n",
"Draws a graph.\n",
"\n",
"\n",
"\n",
"\n",
"**Author:** Lorenzo Moneta \n",
"This notebook tutorial was automatically generated with ROOTBOOK-izer from the macro found in the ROOT repository on Tuesday, May 19, 2026 at 08:25 PM."
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"TCanvas *Canvas = new TCanvas(\"DistCanvas\", \"Legendre polynomials example\", 10, 10, 750, 600);\n",
"Canvas->SetGrid();\n",
"TLegend *leg = new TLegend(0.5, 0.7, 0.4, 0.89);"
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"drawing the set of Legendre functions"
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"TF1* L[5];\n",
"for(int nu = 0; nu <= 4; nu++)\n",
"{\n",
" L[nu]= new TF1(\"L_0\", \"ROOT::Math::legendre([0],x)\", -1, 1);\n",
" L[nu]->SetParameters(nu, 0.0);\n",
" L[nu]->SetLineStyle(kSolid);\n",
" L[nu]->SetLineWidth(2);\n",
" L[nu]->SetLineColor(nu+1);\n",
"}\n",
"L[0]->SetMaximum(1);\n",
"L[0]->SetMinimum(-1);\n",
"L[0]->SetTitle(\"Legendre polynomials\");\n",
"leg->AddEntry(L[0]->DrawCopy(), \" L_{0}(x)\", \"l\");\n",
"leg->AddEntry(L[1]->DrawCopy(\"same\"), \" L_{1}(x)\", \"l\");\n",
"leg->AddEntry(L[2]->DrawCopy(\"same\"), \" L_{2}(x)\", \"l\");\n",
"leg->AddEntry(L[3]->DrawCopy(\"same\"), \" L_{3}(x)\", \"l\");\n",
"leg->AddEntry(L[4]->DrawCopy(\"same\"), \" L_{4}(x)\", \"l\");\n",
"leg->Draw();\n",
"\n",
"Canvas->cd();"
]
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"source": [
"Draw all canvases "
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