??? Undefined function or method 'dsip' for input arguments of type 'double'.

Question

Abdulaziz 2012-4-9

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/34948-undefined-function-or-method-dsip-for-input-arguments-of-type-double

Hi guys, When i try to run this code i get an error says: ??? Undefined function or method 'dsip' for input arguments of type 'double'.

syms x x1 x2 x3 x4 x5 x6 x7 
i=1;
for j=0:2/6:2
    x(i)=j;
    i=i+1;
 end 
for k=1:1:7
    l(k)=1;
    for n=1:1:7
        if n~=k;
        l(k)=l(k)*((x-x(n))/(x(k)-x(n)));
        end
        dsip(l(k));
    end

and if i just delete the disp function I get an other error says: ??? In an assignment A(I) = B, the number of elements in B and I must be the same. end

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Answer 1

Sean de Wolski 2012-4-9

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/34948-undefined-function-or-method-dsip-for-input-arguments-of-type-double#answer_43836

Are you by any chance looking for disp rather than dsip?

Also, I recommend avoiding using l (lower-case L) as a variable since it looks like a 1 or an l and this can frequently cause confusion. I think this might be the source of your other error as well.