Number of elements mismatch.

ajay_shen - 2021-10-20T14:41:10+00:00

Question: Number of elements mismatch.

Hi everyone, I have a dimension issue: I have a Simulink Matlab Function block that has a [3x1] vector of values called pd as its input. This vector should turn into a [6x1] vector called pdot by adding three zeros to every element. Basically just resizing from to it sounds rather simple but I can't get it to work. The code that I use in my Simulink function block is shown below.     function pdot = fcn(pd) pdot = zeros(6,1); temp = zeros(6,1); for i = 1:length(pd) pdot(i) = temp(i) + [pd(i); 0; 0; 0]; end end  

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Expert Answer

Neeta Dsouza answered . 2025-11-20

x=[1;3;5]

 fcn(x)

function pdot = fcn(pd)
pdot=[pd;0;0;0];
end

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