Update tab.cpp

src/tab.cpp

@@ -130,7 +130,7 @@ void settab2D(Materiaux mat, int u0, double f){
     double dt = T/100;
     double F=16*f*f;
     double ***U;
-    double coef1 = (dt/(mat.getc()*mat.getkho()));
+    double coef1 = (dt/(mat.getc()*mat.getrho()));
     double coef2 = (mat.getlambda()/(dx*dx));
     double coef3 = (mat.getlambda()/(dy*dy));
     U=new double**[100];