Change values of a vector (SM to C2)

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Julen Vicente Pipaon
编辑： Harshavardhan 2025-5-29
I don't know why my code doesn't work. My code suppose to de this:
It copys the bits of the vector from left to rigth until find the first 1. Then for the next bits I changes the 1s to 0s anf the 0s to 1s.
It is basically change from SM to C2.
Error: In an assignment A(:) = B, the number of elements in A and B must be the same.
V1(n) = 1-V1
In my code the vector that i want to make is [1 0 1 0]
CODE
V=[1 1 1 0]
V1 = fliplr(V) % 0 1 1 1
n=1;
x = 0;
while n<=length(V1)
if (V1(n) == 0 && x ~= 1) % If there is a 0 it keeps the (0)
V1(n) = 0
elseif (V1(n) == 1 && x ~= 1) % I keeps the fist (1)
V1(n)= 1
x = 1;
elseif x == 1 % When there has been a 1 i change the 0s to 1s and the 1s to 0s
V1(n) = 1-V1
end
n = n+1;
end
V1 = fliplr(V1)
V1 = [V(1) V1(2:4)] % [1 0 1 0]

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回答（1 个）

Harshavardhan
Harshavardhan 2025-5-29
编辑：Harshavardhan 2025-5-29
Hi @Julen Vicente Pipaon
The error you are facing is due to the line:
V1(n) = 1-V1
Here, V1 is a vector , so 1-V1 is a vector , but V1(n) is scalar. Assigning a vector to a scalar is not allowed.
The corrected line should be:
V1(n) = 1 - V1(n)
Hope this helps.

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