Undefined function 'symsum' for input arguments of type 'double'
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Laura Barroso
il 28 Mar 2018
Risposto: Walter Roberson
il 29 Mar 2018
Can someone explain me how can I correct this error "Undefined function ' symsum' for input arguments of type 'double'"
function [ yij ] = SPCmethod(yij,w)
sym n;
rep = 100;
for i = 1:w
yij(i) = mean (symsum(yij,i,1,rep))/rep
end
3 Commenti
Walter Roberson
il 29 Mar 2018
What is the data class of yij? You mention it is a matrix, but is it a matrix of double or a matrix of symbolic constants or a matrix of formulae?
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Walter Roberson
il 29 Mar 2018
For numeric array yji,
y_bar_i = mean(yji);
There should not be any loop: your other function that runs this is doing the looping.
There would only be a loop at the level that is generating multiple yji matrices.
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