# Error in fsolve function

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yogeshwari patel on 30 Mar 2022
Edited: yogeshwari patel on 1 Apr 2022
syms x a
series(x)=sym(zeros(1));
Y=sym(zeros(1));
m=sym(1);
Y(1)=0;
Y(2)=a;
%N=input ('enter the number of coefficient required')
for k=1:6
Y(k+2)=((18*kroneckerDelta(k,m)-9*Y(k)))/(k*(k+1));
end
disp(Y)
for k=1:6
series(x)=series(x)+Y(k)*(power(x,k-1));
end
series
M=series(pi/2)-1
a=fsolve(M,0)
The last line is showing error and further i just want to evaluate the series by putting value of a by using command .But again getting error
Catalytic on 30 Mar 2022
We are not sitting next to you at your computer. We cannot see the error messages that you are getting.

Matt J on 30 Mar 2022
a=solve(M)
a =
##### 2 CommentsShowHide 1 older comment
yogeshwari patel on 30 Mar 2022
Edited: yogeshwari patel on 1 Apr 2022
Thanks
now i use the command to substitute the value in the series but i not displaying correct answer
series
syms x a
series(x)=sym(zeros(1));
Y=sym(zeros(1));
m=sym(1);
Y(1)=0;
Y(2)=a;
%N=input ('enter the number of coefficient required')
for k=1:6
Y(k+2)=((18*kroneckerDelta(k,m)-9*Y(k)))/(k*(k+1));
end
disp(Y)
for k=1:6
series(x)=series(x)+Y(k)*(power(x,k-1));
end
series
M=series(pi/2)-1
a=solve(M)
series

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