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Feeds
Domanda
Eigenvalue and factor models: how to get the orthogonal matrix?
Hi everyone, I would like to know if there is a command to form factor models and get the orthogonal matrix in matlab. For inst...
circa 12 anni fa | 0 risposte | 0
0
risposteThe most effective way to use interp1 command in matlab with two columns
I solved my problem this way: % This datenum vector matches A. I'm assuming they're already sorted by date and time At ...
circa 12 anni fa | 0
| accettato
Domanda
Figure Title with String using eval command
Hi all, say that I type in matlab the following: s1='ALCOA'; s2='APPLE'; s3='ACCO BRANDS'; s4='ADOBE SYSTEMS...
circa 12 anni fa | 1 risposta | 0
1
rispostaFor command + interpolation: need some tips
I think I solved it doing it this way: new_timeinhr = 0:0.25:max(A(:,2)); day_hour = rem(new_timeinhr, 24); new_tim...
circa 12 anni fa | 0
| accettato
Domanda
For command + interpolation: need some tips
I have a matrix "A" with three columns: daily dates,prices,and hours - all same size vector - there are multiple prices associat...
circa 12 anni fa | 1 risposta | 0
1
rispostaThe most effective way to use interp1 command in matlab with two columns
Thanks Per - your code should work but the problem is that I just realized that sometimes for the same time say 9.25hrs I will h...
circa 12 anni fa | 0
Domanda
The most effective way to use interp1 command in matlab with two columns
I have two columns (same size) that I have to interpolate in Matlab. First column is a vector of time in hours (9.5, 9.6 9.73 10...
circa 12 anni fa | 3 risposte | 0
3
rispostePartition function in Matlab - is there something missing in my code?
Andrei thanks for this superb formula! It improves my code but for some reason I still generate the same or similar output has m...
circa 12 anni fa | 0
Partition function in Matlab - is there something missing in my code?
Hi Andrei, I don't really understand. Is this code part of a loop? do I have to implement values like for instance; Sq = @(x,q...
circa 12 anni fa | 0
Domanda
Partition function in Matlab - is there something missing in my code?
Can anyone see if there is something wrong in my matlab code? My objective is to replicate this formula: <http://i.stack.imgur....
circa 12 anni fa | 3 risposte | 0
3
risposteGeometric mean for a specific time intervals
Andrei thanks a lot! I didn't know about the accumarray function. I should have been more clear though in my question: I have mu...
oltre 12 anni fa | 0
Domanda
Geometric mean for a specific time intervals
Hi all, say that I have a matrix (NX2) where the first column's elements are the number of seconds (since midnight) and the s...
oltre 12 anni fa | 2 risposte | 0
2
risposteProblem Expanding a Matrix
I figured out some other way x = 0:4; y = [5 3 4 9 10]; >> xnew = 0:.1:4; ynew = interp1(x,y,xnew,'linear');
oltre 12 anni fa | 1
| accettato
Domanda
Problem Expanding a Matrix
Hi all, How can I do the following: Say that I start with a vector with the elements [5 3 4 9 10] - think of these numbers...
oltre 12 anni fa | 4 risposte | 1
4
risposteLoop plus diff function with non-integers: Feasible?
If anyone can help... I am really struggling with this one!
oltre 12 anni fa | 0
Domanda
Loop plus diff function with non-integers: Feasible?
hi all, I am not sure if this is easy or not but I am struggling with the following: Say that I have a vector Xt (10,000*1...
oltre 12 anni fa | 2 risposte | 0
2
risposteWhat's wrong with my formula? - Can't solve my matrix dimension issue...
the correct way: for j=1:125; E=D(1:j:end,j); EE=diff(E(2:end)); EEE=diff(E(1:end-1)); S(j)=sum...
oltre 12 anni fa | 0
| accettato
What's wrong with my formula? - Can't solve my matrix dimension issue...
Thanks for the insights... ya that's what I was expecting that my two vectors will not have the same size. Yet, those anyone kno...
oltre 12 anni fa | 0
Domanda
What's wrong with my formula? - Can't solve my matrix dimension issue...
Hi everyone, My objective is the following: - to make this equation in matlab: see equation (a partition function) here: ...
oltre 12 anni fa | 4 risposte | 0
4
risposteDomanda
matrix dimension error: need some hint!
Hi, I have a vector "Xt" where Xt dimensions are 12588 X 1. From this vector I apply this code: S=sum((abs(Xt(2:end)-Xt(...
oltre 12 anni fa | 2 risposte | 0