why g++7...

Makefile

@@ -17,7 +17,7 @@ build/MatrixOperations.o :src/MatrixOperations.c
 
 build/GradientDescent.o : src/GradientDescent.cpp
 	@mkdir -p build
-	g++-7 -Wall -c -fpic --std=c++17 $(INCLUDE_EIGEN) -o build/GradientDescent.o  src/GradientDescent.cpp -fopenmp
+	g++ -Wall -c -fpic --std=c++17 $(INCLUDE_EIGEN) -o build/GradientDescent.o  src/GradientDescent.cpp -fopenmp
 
 build/ExternMatrixOperations.o : src/ExternMatrixOperations.cpp
 	@mkdir -p build