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--- c:c_에_matplotlib_라이브러리_추가해서_그래프_그리기 [2022/01/16 21:55] – created jonghoon
+++ c:c_에_matplotlib_라이브러리_추가해서_그래프_그리기 [2023/09/05 15:46] (current) – external edit 127.0.0.1
@@ Line 5: / Line 5: @@
 다음은 간단히 sin 그래프를 그리는 예제코드다.
-<Code:C++>
+<Code:C++ | example.cpp>
+#include <iostream>
 #include <vector>
 #include <cmath>
+#include <matplotlibcpp.h>
 using std::vector;
 using std::sin;
-using std::pi;
+using std::cout;
+namespace plt = matplotlibcpp;
+int main()
+{
+    const double pi = M_PI;
+    vector<double> x(21);
+    vector<double> y(21);
+    for(int i = 1; i < x.capacity(); ++i)
+    {
+        x[i] = x[i-1] + pi/10;
+        y[i] = sin(x[i]);
+    }
+    plt::plot(x,y); //plot the x,y
+    plt::grid(true); //show grid
+    plt::show(); // show figure
+}
 </Code>
+컴파일할 때는
+<Code:Shell>
+g++ example.cpp -I/usr/include/python3.8 -lpython3.8 -o example
+</Code>
+로 하면 된다.
+<color #ffffff>.....................................</color>
+{{:c:untitled.png?700|}}