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federico nutarelli


Last seen: 4日 前 |  2021 以来アクティブ

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質問


Reshape a matrix based on indices placed on another matrix
Hi all, I have a matrix called combinations and a vector whose dimension in 119x119. The matrix combinations basically include...

18日 前 | 1 件の回答 | 0

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質問


Take values greater than 0 excluding NaN
Hi all, I have a matrix A, say, like this: NaN NaN 1 NaN -2 -3 NaN NaN NaN 2 NaN -3 NaN -3 -3 1 -1 2 and would like to ma...

19日 前 | 1 件の回答 | 0

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質問


Counting the number of appearance of a value in a loop
Hi everyone, I have the following matrix called all_indices_pesi in matlab: consisting of the first column being a column...

約1ヶ月 前 | 1 件の回答 | 0

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質問


Spearman correlation fails in ranking strings
Hi all, I would like to compute the correlation between two rankings. Namely, I have two ranked variables, say: table GDP l...

7ヶ月 前 | 1 件の回答 | 0

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質問


Plot a curve on vertical axis
Hi all, I am producin the following image (the red arrows and the red circles are added artificially using a picture software...

11ヶ月 前 | 1 件の回答 | 0

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質問


Set colors for specific entries of heat map
Hi all, I have constructed an heatmap based on a diagonal 50x50 matrix (that I attached to the csv file below). My code looks ...

11ヶ月 前 | 1 件の回答 | 0

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質問


Surface plot using surf() and mesh grid
Hi all, I have two vectors and a matrix that I would like to plot in 3D (as surfaces). I have seen that there is a command call...

12ヶ月 前 | 1 件の回答 | 0

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質問


Inverting curves colors when the distance of their points is 0
Hi all, I have a set of colored curves as follows: let's take, for the sake of simplicity the top two curves in green and p...

約1年 前 | 1 件の回答 | 0

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質問


Saving High Quality graphs within loop
Hii all, I am using a package called borders in matlab to make colored maps. The problem is that the countries have to be col...

約1年 前 | 1 件の回答 | 0

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質問


Smart for loop for summing cell array matrices
Hi all, I have an empty cell test_set_class and a cell matrix class_test made of 100x30 matrices (i.e. each element of classs_...

約1年 前 | 2 件の回答 | 0

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質問


Smartly search between tables
Hi all, so I have two datasets made of 0 and 1. The two datasets (in the form of matlab tables), call them D1 and D2 are 1229x1...

約1年 前 | 1 件の回答 | 0

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質問


Reverting the caxis index
Hi all, I have made the following image (displayed). I would like the caxi to be inverted, i.e. min = 0.4 and max = 0.1. So th...

約1年 前 | 1 件の回答 | 0

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質問


Output argument "K" (and maybe others) not assigned during call to "linear_kernel".
Hi all, the above error apears when I call K = linear_kernel(tX, tX); It does not appear if I do not assign linear_ker...

1年以上 前 | 1 件の回答 | 0

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質問


reshaping data properly mesh grid
Hi all, so I have the follwoing problem. I have data stored in a (2000,4) mattrix where the last colum represents the predict...

1年以上 前 | 1 件の回答 | 0

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回答済み
Check for missing argument or incorrect argument data type in call to function 'smooth'.
Hi all thank you for answering the question above. I basically forgot to install the curve fitting package. So I get back to the...

1年以上 前 | 0

質問


Check for missing argument or incorrect argument data type in call to function 'smooth'.
Hi all, the above error emerges also when I try the ssimple toy example in the help of ssmooth function. I am on Mac OSX Cata...

1年以上 前 | 2 件の回答 | 0

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質問


Reproducing a smooth curve with random data
Hi guys, I would like to reproduce the above figure with random data. How can I do it? We lost the source code to reprodu...

1年以上 前 | 0 件の回答 | 0

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質問


Advanced mean in cell arrays
Hi aall, this is a similar question to one I assked before. But it actualy diffes for a key detail so II opened a new issue. s...

1年以上 前 | 0 件の回答 | 0

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質問


How to sum different cells of cell array
Hi all, I have the following problem. I have a cell array (2x100) where each entry is a 11x74 table. What I would llike to d...

1年以上 前 | 2 件の回答 | 0

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質問


Parfor nested loop Table definition
Hi all, I am fairly new to matlab. I am trying to parallelize a very heeavy nested for loop. I cannot reproduce it all here s...

1年以上 前 | 1 件の回答 | 0

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