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"# mathcoreSpecFunc\n",
"Example macro showcasing some special mathematical functions.\n",
"\n",
"To execute the macro type in:\n",
"\n",
"```cpp\n",
"root[0] .x mathcoreSpecFunc.C\n",
"```\n",
"\n",
"It will create a canvas with the representation of the tgamma, lgamma, erf and erfc functions.\n",
"\n",
"\n",
"\n",
"\n",
"**Author:** Andras Zsenei \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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"TF1 *f1a = new TF1(\"f1a\",\"ROOT::Math::tgamma(x)\",0,20);\n",
"TF1 *f2a = new TF1(\"f2a\",\"ROOT::Math::lgamma(x)\",0,100);\n",
"TF1 *f3a = new TF1(\"f3a\",\"ROOT::Math::erf(x)\",0,5);\n",
"TF1 *f4a = new TF1(\"f4a\",\"ROOT::Math::erfc(x)\",0,5);\n",
"\n",
"TCanvas *c1 = new TCanvas(\"c1\",\"c1\",800,600);\n",
"\n",
"f1a->SetLineColor(kBlue);\n",
"f2a->SetLineColor(kBlue);\n",
"f3a->SetLineColor(kBlue);\n",
"f4a->SetLineColor(kBlue);\n",
"\n",
"c1->Divide(2,2);\n",
"\n",
"c1->cd(1);\n",
"f1a->Draw();\n",
"c1->cd(2);\n",
"f2a->Draw();\n",
"c1->cd(3);\n",
"f3a->Draw();\n",
"c1->cd(4);\n",
"f4a->Draw();"
]
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"source": [
"Draw all canvases "
]
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"gROOT->GetListOfCanvases()->Draw()"
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