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質問
how do i do a periodogram
i have a P= 1x96 and a frequencie 1:0.2:20(vector 1x96) and i need to do a periodogram. but i can´t get it :S
10年以上 前 | 0 件の回答 | 0
0
回答質問
need to create a loop with on this problem
i will put the data and then explain my problem f=1:0.2:20 (matrix 1x96) i=lenght(f) ti= a matrix 82x1 yi= a matri...
10年以上 前 | 1 件の回答 | 0
1
回答質問
Attempted to access f(97); index out of bounds because numel(f)=96.
I have this equation to solve the P(f). But the problem is that f is a matrix of 1x96 the zred and d18ored are both matrix 82x1...
10年以上 前 | 2 件の回答 | 0
2
回答質問
i can get the equation to give a matrix 82x96
for f=1:0.2:20; ti=length(f); T=(1/4*pi*f)*atan(sum(sin(4*pi*f*ti))/sum(cos(4*pi*f*ti))); P(f)=(sum(d18ore...
10年以上 前 | 1 件の回答 | 0
1
回答質問
I can´t get the matrix dimension right
I am doing a work where it asks me to use the variables zred(matrix 82x1) and d18red(82x1) on a frequencie f 1:0.2:20. for each ...
10年以上 前 | 1 件の回答 | 0
1
回答質問
I need to normalize a vector size 82x1
I have a vector 82x1 with random numbers and i need to put this vector with values between 0 to 1 and keep the same size 82x1...
10年以上 前 | 1 件の回答 | 0
1
回答質問
Subscript indices must either be real positive integers or logicals.
I am doing a work for my class and in this equation: p(f)=(((sum(sin(2*pi*f*(ti-t)))).^2)/(sum(sin(2*pi*f*(ti-t)).^2)))+((sum...
10年以上 前 | 1 件の回答 | 0
1
回答質問
Matlab error: Argument to dynamic structure reference must evaluate to a valid field name.
I am doing a work for my class and in this equation: t=(1./(4*ftab3*pi))*atan(sum(sin.(4*ti*ftab3*pi))/(sum(cos.(4*pi*ftab3*ti)...
10年以上 前 | 1 件の回答 | 0
