check each element of random vector c=[0, 1, 0, 1,.....n] one by one if value of current element is 0 and previous element is 0 perform this action otherwise another action.

I want to run for loop to Check each element of random vector c=[0, 1, 0, 1,.....n] if value of 1st element is 0 and next element is 0 perform summation of certian values, if 1st element is 0 and next element is 1 then perform summation of certain values,if 1st element is 1 and next element is 0 then perform summation of certain values and if 1st element is 1 and next element is 1 then perform summation of certain values. This will continue till end so we need to check the element and the previous element.

function [Total_delay_upper, Total_delay_lower] = f_Cummulative_delay(c,T_pUU,T_pUL,T_pLL,T_pLU)
Total_delay_upper=0;
Total_delay_lower=0;
for i=1:length(c)
    if c(i)==0
        Total_delay_upper = T_pUU;
        Total_delay_lower = T_pLL;
        
    elseif c(i)==1
        Total_delay_upper = T_pUL;
        Total_delay_lower = T_pLU;
        
    end
    if c(i)==0&&c(i+1)==0
        Total_delay_upper = Total_delay_upper+T_pUU;
        Total_delay_lower = Total_delay_lower+T_pLL; 
    elseif c(i)==0&&c(i+1)==1
        Total_delay_upper = Total_delay_upper+T_pUL;
        Total_delay_lower = Total_delay_lower+T_pLU;
    end
    if c(i)==1&&c(i+1)==0
        Upperdelay = Upperdelay(i)+T_pUL;
        Lowerdelay = Lowerdelay(i)+T_pLU;

[dpb]

Is this for all pairs, that is rows 1:2 then rows 2:3 or for the pairs of rows 1:2, 3:4, ...?

[Vaseem Khan]

Its a single row random number 0 to 1 as mentioned c=[1, 0, 0,1,1 0, 1,0,0,0.....N]. we need to check each element one by one. if 1st element value is 0 or 1 and 2nd element value element is 0 or 1. we need to take actions accordingly.

[dpb]

That didn't anwer the question precisely...the Q? is, are there N-1 differences total or only N/2 ?

If N were 4, is it [1-2; 3-4] (2 differences) or [1-2; 2-3; 3-4] (3 differences)?

[Vaseem Khan]

[1-2; 2-3; 3-4] (3 differences)

[Vaseem Khan]

but diff command wont work in it

[dpb]

    if c(i)==0
        Total_delay_upper = T_pUU;
        Total_delay_lower = T_pLL;
        
    elseif c(i)==1
        Total_delay_upper = T_pUL;
        Total_delay_lower = T_pLU;
        
    end

You don't really mean the above, do you????

This would set the totals back to the input number at the beginning for each pass through.

What is the expected output size -- one value each for the two variables or one for each row in the input array?

Also, why two variables here -- "Total_delay_xxx" and then just "Upper/Lower.."???

There seems no point in the latter; they aren't returned but they seem to be the attempt to do the summation which implies probably the first section isn't serving any useful purpose and should just be done away with.

As per usual, it would help to give a complete small(ish) data set and illustrate the output that should be obtained for the specific case.

[Vaseem Khan]

I really mean the initials, my final value and total path depends on the intial value.

[dpb]

Well, it makes no sense at all then...you're going to have to illustrate precisely what you think the result should be for a given case; I'm guessing you can't write the code because you don't have a complete-enough definition written precisely enough to define the algorithm.

Answer 1

[the cyclist]

I didn't fully understand what you are trying to do with your code, but I think the following will help you.

To find all the locations of the pair [0 1] in a vector c, you can simply do

c = [0 1 0 1 1 0 1 0 1 0 1 1];

index01 = strfind(c,[0 1])

index01 = 1×5

1 3 6 8 10

and you can do similarly for the other patterns:

index10 = strfind(c,[1 0])

index10 = 1×4

2 5 7 9

index11 = strfind(c,[1 1])

index11 = 1×2

4 11

You should then be able to use those indices to index into your other array that you want to sum.