Feeds
질문
how to estimate cdf from ksdensity pdf
I have a quick question about ksdensity. For a given variable I derive distribution by binning into a specified number of bins, ...
대략 7년 전 | 답변 수: 1 | 0
1
답변질문
binning histogram and obtaining the proportions
Dear all, I have a quick question. I have histogram and now suppose a new observation comes in and I would like to know which bi...
8년 초과 전 | 답변 수: 1 | 0
1
답변질문
finding n maximum elements in a matrix
Hi all, I have a symmetrical matrix of size mxm with diagonal elements equal to one. The values range [-1,1]. I would like to fi...
거의 9년 전 | 답변 수: 0 | 0
0
답변질문
coloring by third variable
Dear All, quick question. I have three variables comb(:,1), comb(:,2), comb(:,3) where comb(:,3) is the variable of either...
거의 9년 전 | 답변 수: 1 | 0
1
답변질문
how to sort correlation matrix
Dear all, I have correlation matrix rho. And I would like to sort it so that I can observe the high and low correlations. I als...
거의 9년 전 | 답변 수: 0 | 1
0
답변질문
datenum problem with conversion
I have a question. I am trying to use datenum function as below. Question: why ans1=ans2? Am I using format wrongly? Thank you! ...
거의 9년 전 | 답변 수: 1 | 0
1
답변질문
How to plot time format
I have two time matrices of t1=3x250 and t3=3x450 with 3 columns representing hour, minute and second as integers. I also have t...
거의 9년 전 | 답변 수: 2 | 0
2
답변질문
is it possible to do something like this in the loop:
if true % load Time; Time_test_1 = Time; clear Time; %load Time again; Time_test_2 = Time; ...
거의 9년 전 | 답변 수: 1 | 0
1
답변질문
MFE garch tool box
I have a quick question regarding garch MFE tool box. It has a function called arma_forecaster. I am using this code to test the...
거의 9년 전 | 답변 수: 0 | 0
0
답변질문
econometric tool box surprise
Hi everybody, so I have not touched this code in few years but I am currently looking at it and it appears that some functional...
대략 9년 전 | 답변 수: 1 | 0
1
답변질문
predictive ability of matlab
I have original time series that experienced as some point in time abnormal values. I would like then to compare it to 12 other ...
대략 9년 전 | 답변 수: 1 | 0
1
답변답변 있음
how to create two bell shape curves
Hi Wayne, yes, I tried both ways already. However, if you do sum(y) or sum(y1) to give you the are under the curve (or trapz(y)...
how to create two bell shape curves
Hi Wayne, yes, I tried both ways already. However, if you do sum(y) or sum(y1) to give you the are under the curve (or trapz(y)...
12년 초과 전 | 0
질문
how to create two bell shape curves
with the areas under these curves equal to 1, the same mean but different standard deviations. Thanks!
12년 초과 전 | 답변 수: 3 | 0
3
답변질문
gaussian histogram so that area is equal to one.
I have a quick question. I am creating my data in the following manner: a = -100; b = 100; x = a + (b-a) * rand(1, 500);...
12년 초과 전 | 답변 수: 1 | 0
1
답변질문
is the a way to vary intersection between two normal bell curves
I would like to generate two random gaussian curves in such a way that I have a way to control intersection between these two cu...
12년 초과 전 | 답변 수: 0 | 0
0
답변질문
difference between trapz and just summing
Dear everybody, I was wondering what is the difference between the function trapz and the sum as used below. It appears to be a...
12년 초과 전 | 답변 수: 1 | 0
1
답변질문
not sure how to approach this
I have a 2D matrix. Let's say A=80x100; I need a way to visit each cell in this matix only once. Moreover my problem is a littl...
거의 13년 전 | 답변 수: 3 | 0
3
답변질문
Cell array....searching without a loop?
I have a cell array A. Size is 200x1. The size of A{1} is 501x201x119=i x j x k. The same is true for other cells in A. Now for ...
대략 13년 전 | 답변 수: 1 | 0
1
답변질문
plotting histogram at each pixel of imagesc, possible?
Hi everybody, I have a quick question. I have two variables a=11x119x50 and b=119x50. I am plotting b as imagsc(b). Now I wou...
대략 13년 전 | 답변 수: 1 | 0
1
답변질문
is there to make this double room to run faster?
Hi guys, I am trying to reduce the cost of running my program: is there a way to reduce two pieces of code: FIRST ONE: ...
13년 초과 전 | 답변 수: 1 | 0
1
답변질문
quick syntax question for saving run time
I have the following: m1 = rand(5,5) m2 = rand(5,5) m3 = rand(5,5) m4 = rand(5,5) ...
13년 초과 전 | 답변 수: 1 | 0
1
답변답변 있음
finding a minimum from multiple matricies
You, guys, are soooooooooooooo great! Awesome! and thank you!
finding a minimum from multiple matricies
You, guys, are soooooooooooooo great! Awesome! and thank you!
13년 초과 전 | 0
질문
finding a minimum from multiple matricies
Hi everybody, I have a few large matricies of equal size. At each location, I would like to find minimum and its index. Note, es...
13년 초과 전 | 답변 수: 5 | 1
5
답변질문
comparing shapes: how to find the right one
Hi everybody, I have the following problem. I have a true data set. Which is a binary matrix (0/1). If I do imagesc(true_data), ...
13년 초과 전 | 답변 수: 1 | 0
1
답변질문
shape matching: how to best address this problem
Hi everybody, I have this problem. In the figure, I need to see which set 1 or set 2 best matches my main set. Of course, you ca...
13년 초과 전 | 답변 수: 0 | 0
0
답변질문
automatic kmeans: choosing the number of clusters automatically?
Hi, I was wondering if there is a way in matlab to do automatic kmeans clustering where the number of clusters K is choosen auto...
13년 초과 전 | 답변 수: 2 | 0
2
답변답변 있음
the problem of shifting and pcolor
This is exactly the issue with pcolor I am facing. I am just not sure how to solve this small problem: p_color with shading fla...
the problem of shifting and pcolor
This is exactly the issue with pcolor I am facing. I am just not sure how to solve this small problem: p_color with shading fla...
13년 초과 전 | 0
질문
the problem of shifting and pcolor
Hi all, I am doing this code, and it appears that my text pixels are shifted compared to my pcolor output. Any suggestions. Not...
13년 초과 전 | 답변 수: 2 | 0
2
답변질문
pcolor and pixel shift
I am using the following code. It appears that my text '*' has been shifted somewhat. Any suggestions on how to shift it back. I...
13년 초과 전 | 답변 수: 1 | 0
