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plot example for tabulated function

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This commit is contained in:
Antonin Portelli 2014-09-22 15:19:46 +01:00
parent 4d19c23400
commit 3a8d3a7758
1 changed files with 12 additions and 1 deletions
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13
examples/exPlot.cpp
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@ -2,18 +2,29 @@
#include <LatAnalyze/CompiledFunction.hpp>
#include <LatAnalyze/Math.hpp>
#include <LatAnalyze/Plot.hpp>
#include <LatAnalyze/TabFunction.hpp>
using namespace std;
using namespace Latan;
int main(void)
{
const Index nPoint = 8;
Plot p;
DVec x(nPoint), y(nPoint);
p << PlotRange(Axis::x, -5.0, 5.0) << PlotRange(Axis::y, -5.0, 5.0);
for (Index i = 0; i < nPoint; ++i)
{
x(i) = static_cast<double>(i)/2.;
y(i) = x(i)*x(i);
}
p << PlotRange(Axis::x, -5.0, 5.0) << PlotRange(Axis::y, -5.0, 20.0);
p << Color("rgb 'blue'") << PlotFunction(StdMath::tgamma, -5, 5);
p << PlotFunction(CompiledDoubleFunction(1, "return cos(x_0)^2;"), -5, 5);
p << Color("rgb 'brown'") << PlotCommand("x**3");
p << PlotCommand("x**2");
p << PlotFunction(TabFunction(x, y), 0.,
static_cast<double>(nPoint)/2.0 - 1.1);
cout << p << endl;
p.display();