Transformation struct to array

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Pavel Aksentsev
Pavel Aksentsev 2022-3-12
回答： Walter Roberson 2022-3-12
HI, why is it not work?
xdata=[1];
n=3;
subs(eqn,y,n);
st=solve(eqn,x);
xdata(n)=struct2cell(st);
Error:
Check for missing argument or incorrect argument data type in call to function 'struct2cell'.
  1 个评论
AndresVar
AndresVar 2022-3-12
编辑：AndresVar 2022-3-12
if you look at documentation for solve it says the output is a symbolic array.
struct2cell input is struct not symbolic array

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采纳的回答

Walter Roberson
Walter Roberson 2022-3-12
solve returns a struct only if you are solving for more than one variable and the number of outputs does not match the number of variables (though 'returnconditions' may affect this)
You are solving for a single variable without returnconditions so you will get a symbolic output not a struct

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