symsum gauß, how to calculate sum of series ?

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Osman Ballhysa
Osman Ballhysa 2021-6-1
评论： Osman Ballhysa 2021-6-2
Hello everyone,
so this is what i was working on ,
function y = sin(x,n)
if n<=0 %if y=0/neg. Numer -->y=0
y = 0;
elseif n~= floor(n) %if y= pos.decimal-->y=NaN
y=NaN;
else
%Gauß
syms i x n
symsum (-1)^i*((x^2i+1)/factorial(2i+1)),i;1,n); is symsum the right thing to use here?
end
end
Can somebody help pls ?

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回答（1 个）

Sulaymon Eshkabilov
There are a few curcial errs in your developed code.
(1) Don't name a function with MATLAB's builtin function names. You have named sin() that is a builtin fcn of MATLAB.
(2) This exercice can be solved more efficiently in terms of computation time using numerical calcs instead of symbolic math application that would be very slow.

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