Syntax problem in creating a function which takes a vector as an argument

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Jenni
Jenni 2024-2-1
评论： Jenni 2024-2-1
r_1 = 0.84 - 0.29i;
r_2 = 0.84 + 0.29i;
c = 4.55;
t = [2:1:50];
y(t) = k_1*r_1^t + k_2*r_2^t + c;
function out = t
out = [y(t)];
end
Hey! I have a syntax problem with my function:
I am trying to write a code which takes a vector [t_1,..,t_n] as an argument and returns a vector [y(t_1),...,y(t_n)]. Here you can see my function for now and the parameters which the function should have. How I should write the working code?

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采纳的回答

Dyuman Joshi
Dyuman Joshi 2024-2-1
编辑：Dyuman Joshi 2024-2-1
Ran in:
Use element-wise power - power, .^ and define the expression as an anonymous function -
r_1 = 0.84 - 0.29i;
r_2 = 0.84 + 0.29i;
c = 4.55;
t = 2:1:50;
%Sample values for example
k_1 = 1;
k_2 = 2;
y = @(t) k_1*r_1.^t + k_2*r_2.^t + c;
out = y(t)
out =
Columns 1 through 10 6.4145 + 0.4872i 5.6923 + 0.5895i 4.9967 + 0.6056i 4.3984 + 0.5519i 3.9425 + 0.4489i 3.6491 + 0.3184i 3.5163 + 0.1803i 3.5248 + 0.0516i 3.6440 - 0.0558i 3.8375 - 0.1344i Columns 11 through 20 4.0684 - 0.1818i 4.3037 - 0.1993i 4.5165 - 0.1912i 4.6882 - 0.1639i 4.8086 - 0.1243i 4.8754 - 0.0794i 4.8924 - 0.0352i 4.8683 + 0.0035i 4.8143 + 0.0337i 4.7427 + 0.0539i Columns 21 through 30 4.6650 + 0.0639i 4.5910 + 0.0648i 4.5281 + 0.0584i 4.4808 + 0.0469i 4.4511 + 0.0327i 4.4384 + 0.0179i 4.4407 + 0.0043i 4.4545 - 0.0070i 4.4758 - 0.0151i 4.5008 - 0.0198i Columns 31 through 40 4.5260 - 0.0214i 4.5484 - 0.0203i 4.5664 - 0.0172i 4.5787 - 0.0129i 4.5853 - 0.0080i 4.5867 - 0.0033i 4.5837 + 0.0007i 4.5777 + 0.0039i 4.5699 + 0.0059i 4.5615 + 0.0069i Columns 41 through 49 4.5537 + 0.0069i 4.5471 + 0.0062i 4.5422 + 0.0049i 4.5392 + 0.0034i 4.5380 + 0.0018i 4.5384 + 0.0003i 4.5399 - 0.0009i 4.5423 - 0.0017i 4.5450 - 0.0022i

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