updated makefile: error on ubuntu -lm option hat to be in the end of command

Makefile

@@ -1,4 +1,4 @@
 all: main
 
 main:
-	gcc -fopenmp -std=c11 -pedantic -Wall -lm -o run main.c
+	gcc -fopenmp -std=c11 -pedantic -Wall  -o run main.c -lm

collect_data.sh

@@ -22,7 +22,7 @@ rm $FILENAME 2> /dev/null
 
 for i in $(eval echo  {1..$THREADS}) 
 do
-	./run -r 100000000 -i 5 -n $i | tee -a  $FILENAME
+	./run -r 10000000 -i 5 -n $i | tee -a  $FILENAME
 done
 
 	

makeplots.py

@@ -15,5 +15,5 @@ with open('data.txt') as FILE:
         y_values.append(float(row[0]))
         y_err.append(float(row[1]))
     print(x_values)
-    plt.errorbar(x_values,y_values,yerr=y_err)
+    plt.errorbar(x_values,y_values,yerr=y_err, fmt='.')
     plt.savefig('plot.png')