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~~How to plot in C++?~~

How to use koolplot in C++?

I was trying to plot using following lines in C++.

```cpp
#include "koolplot.h"
int main()
{
   plotdata x(-6.0, 6.0);    
   plotdata y = sin(x) + x/5;
   plot(x, y);
   return 0;
}
```

When I was trying to run the program then I got the following message

>g++ -o plot plot.cpp<br/>
plot.cpp:1:10: fatal error: koolplot.h: No such file or directory<br/>
    1 | #include "koolplot.h"<br/>
      |          ^~~~~~~~~~~~<br/>
compilation terminated.

I think I got the error cause `koolplot.h` isn't available in my system. How to install that? Or should I use something else to plot? I got the source code [here](https://vijaypolimeru.github.io/research/plotting/programming/graphics/opensees/visual%20studio/2020/02/05/plotting-in-cpp.html).

c++ plot

c++ plot koolplot

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