calculate coefficient C. while loop nested in for loop

Question

Tyde Hilderbrandt 2021-11-1

回答： Walter Roberson 2021-11-1

Hey,

I'm trying to create a program which follows the formula

the vector must have at least two elements. Here is my code so far which I belive has the wrong nested while loop so the program never ends.

clc
clear
v=[0 4 2 6];
c=0;
deltaL=.5;
for i=1:length(v)
    while v(i+1)<= length(v)
        c=c+((v(i+1)-v(i))/deltaL);
    end
end
c

Answer 1

Walter Roberson 2021-11-1

v = [0 4 2 6];
deltaL = .5;
c = sum(diff(v) ./ deltaL)
c = 12
c_shortcut = (v(end) - v(1)) ./ deltaL
c_shortcut = 12

You should recheck your formula: unless deltaL can change for each item, then mathematically your c has to equal what I calculate in c_shortcut