- fixed the math notation

readme.md

@@ -16,7 +16,7 @@ specified number of iterations `niter`. The logistic map formula is given by:
 
 
 ```math
-x_{i, n+1} = r * x_{i,n} * (1 - x_{i,n})
+x_{i, n+1} = r x_{i,n} (1 - x_{i,n})
 ```
 
 where $i$ is the index of the element in the array and $n$ is the iteration
@@ -32,7 +32,7 @@ of iterations `niter` and independent of the size of the array `N` and can be
 written as
 
 ```math
-AI = k_i * niter
+AI = k_i niter
 ```
 
 where `k_i` is the arithmetic intensity  for a single iteration of the logistic
@@ -41,7 +41,7 @@ to the size of the array `N` and directly proportional to the number of
 iterations `niter` and can be written as
 
 ```math
-W = k_w * N * niter
+W = k_w N niter
 ```
 
 where `k_w` is the floating-point operations per element of the array `x` for a