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ltd13002 · Dec 15, 2017 · e99df8f · e99df8f
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@@ -63,7 +63,7 @@ Use membranesolution3 function to solve for w and plot the result with surf(X,Y,
 
 # Part C
 ### Problem
-Create a central finite difference approximation function to solve for the membrane displacement gradient with n-by-n interior nodes [[w]=membrane_solution(T,P)]. The inputs are tension (T), pressure (P), and number of nodes (n), and the output is column vector w.
+Create a central finite difference approximation function to solve for the membrane displacement gradient with n-by-n interior nodes [[w]=membrane_solution(T,P,n)]. The inputs are tension (T), pressure (P), and number of nodes (n), and the output is column vector w.
 ```matlab
 function [w] = membrane_solution(T,P,n)
 % membrane_solution: dispalacement of node for membrane with nxn interior nodes