fix Matlab functions

src/firstCommit/addTwoNumbers_diana.m

 function c = addTwoNumbers_myName(a, b)
-% addTwoNumbers_myName(a, b) returns the sum of a and b
+% addTwoNumbers_diana(a, b) returns the sum of a and b
 
 c = a + b;
 end

src/secondCommit/multiplyTwoNumbers_diana.m

+function c = multiplyTwoNumbers_diana(a, b)
+% multiplyTwoNumbers_diana(a, b) returns the product of a and b
+
+c = a * b;
+end

src/secondCommit/multiplyTwoNumbers_myName.m

-function c = multiplyTwoNumbers_myName(a, b)
-% multiplyTwoNumbers_myName(a, b) returns the product of a and b
-
-c = a / b;
-end

src/thirdCommit/sqrt_diana.m

 function y = sqrt_diana(x)
-  y = sqrt(x)
+  y = sqrt(x);
 endfunction

test/suite/test_diana.m

@@ -5,11 +5,11 @@ c = addTwoNumbers_diana(1, 2)
 % test if the addition function works as expected
 assert(c == 3)
 
-% d = multiplyTwoNumbers_diana(c, c)
+d = multiplyTwoNumbers_diana(c, c)
 
 % test if the multiplication function works as expected
-% assert(d == 9)
+assert(d == 9)
 
 % Test for the homework
 % test my sqrt function
-  assert(sqrt_diana(d) == sqrt(d))
+assert(sqrt_diana(d) == sqrt(d))