Fix W

Signed-off-by: Cristian Weiland <cw14@inf.ufpr.br>

pdeSolver.c

@@ -178,8 +178,7 @@ int main(int argc, char *argv[]) {
 	Ny = (M_PI/Hy);
 	Nx++;
 	Ny++;
-	//W = (2 - (Hx + Hy)) / 2;
-	W = 1; // Ou 1.3
+	W = 2 - ((Hx + Hy) / 2);
 	UDivisor = (2 / Hx * Hx) + (2 / Hy * Hy) + 4 * Pipi;
 
 	double sigma;