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jenka


2011 年からアクティブ

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質問


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, ...

約6年 前 | 1 件の回答 | 0

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質問


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...

7年以上 前 | 1 件の回答 | 0

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質問


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...

8年弱 前 | 0 件の回答 | 0

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質問


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...

8年弱 前 | 1 件の回答 | 0

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質問


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...

8年弱 前 | 0 件の回答 | 1

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質問


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! ...

8年弱 前 | 1 件の回答 | 0

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質問


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...

8年弱 前 | 2 件の回答 | 0

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質問


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; ...

8年弱 前 | 1 件の回答 | 0

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質問


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...

8年弱 前 | 0 件の回答 | 0

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質問


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...

8年弱 前 | 1 件の回答 | 0

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質問


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 ...

約8年 前 | 1 件の回答 | 0

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回答済み
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)...

11年以上 前 | 0

質問


how to create two bell shape curves
with the areas under these curves equal to 1, the same mean but different standard deviations. Thanks!

11年以上 前 | 3 件の回答 | 0

3

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質問


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);...

11年以上 前 | 1 件の回答 | 0

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質問


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...

11年以上 前 | 0 件の回答 | 0

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質問


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...

11年以上 前 | 1 件の回答 | 0

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回答済み
not sure how to approach this
This is sooo great! I am so thankful to you!

12年弱 前 | 0

質問


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...

12年弱 前 | 3 件の回答 | 0

3

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質問


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 ...

約12年 前 | 1 件の回答 | 0

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質問


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...

約12年 前 | 1 件の回答 | 0

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質問


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: ...

約12年 前 | 1 件の回答 | 0

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質問


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) ...

約12年 前 | 1 件の回答 | 0

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回答済み
finding a minimum from multiple matricies
You, guys, are soooooooooooooo great! Awesome! and thank you!

約12年 前 | 0

質問


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...

約12年 前 | 5 件の回答 | 1

5

回答

質問


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), ...

約12年 前 | 1 件の回答 | 0

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質問


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...

約12年 前 | 0 件の回答 | 0

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質問


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...

12年以上 前 | 2 件の回答 | 0

2

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回答済み
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...

12年以上 前 | 0

質問


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...

12年以上 前 | 2 件の回答 | 0

2

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質問


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...

12年以上 前 | 1 件の回答 | 0

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