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Dave


28 2014 年以降の合計貢献数

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質問


Find common elements between two vectors and extract data from matrix (vectorized)
Hello, I understand this is different question than the one answered in https://www.mathworks.com/matlabcentral/answers/44285...

15日 前 | 1 件の回答 | 0

1

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質問


Using FIND for common elements WITHOUT a loop (Vectorized?)
Hello, I have an array A 100x1 with different datenum that I need to find in a big array B 5000000x1 (all datenum in B are...

17日 前 | 1 件の回答 | 0

1

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質問


Browse, search, click , save?
Hello Is there something similar to VBA: Dim myBrowser As Internet Explorer ... myBrowser.Document.getElementById("na...

30日 前 | 2 件の回答 | 0

2

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質問


Table: Reshape based on Cell Column and Sort
Is there a way to reshape or transform a table 7x3 table into a table with as many columns as the unique elements of a cell colu...

約1ヶ月 前 | 1 件の回答 | 0

1

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質問


readtable changing range (not all contents)
Hello, Manually Importing an XLS file (right click import data) the window by default highlights a matrix, say C10:X90 If I m...

2ヶ月 前 | 1 件の回答 | 0

1

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質問


Input search string then record search result from a website
Hello all, I tried urlfilter, websave, webread, webwrite I have to search in a website by entering a search string in the we...

3ヶ月 前 | 0 件の回答 | 0

0

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質問


xlswrite from cell and strcat error 0x800A03EC
GreetingsI have a variable A={'H$1';'H$2';'H$3'} %a 4x1 cell % I need to generate an xlsx file with =(YesH$...

10ヶ月 前 | 1 件の回答 | 0

1

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質問


save to 2nd decimal, then add brackets
I needed to round a matrix of double to the second decimal. And also convert the second row such that each entry is in brackets,...

約1年 前 | 1 件の回答 | 0

1

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質問


Combine two columns into one by first two rows A two rows B and so on
Hi, I want to combine two columns A and B (both 4x1) into one column C by using first the first two rows of A, then the first tw...

約1年 前 | 1 件の回答 | 0

1

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回答済み
last daily observation in a month (not lbusdate)
Solved, used accumarray with @max

1年以上 前 | 0

| 採用済み

質問


last daily observation in a month (not lbusdate)
is there a way to keep only the last observation in a month from a datenum vector? For example A= 729530 ...

1年以上 前 | 1 件の回答 | 0

1

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質問


plotyy: manually modify secondary axis label position
How can I manually modify the position of the right y-axis label in a plotyy figure? In a plotyy, once I View/PlotBrowser and...

2年以上 前 | 0 件の回答 | 0

0

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質問


Align subplots non-manually
I have a figure with 5 subplots. Aside from doing it manually, is there are a way to set a 2x3 subplot figure in a way that th...

2年以上 前 | 1 件の回答 | 0

1

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質問


Create a folder for each iteration and save workspace and figures
Hello, I need to save the workspace and figures for each iteration. The resulting workspace and figures should be placed in a n...

4年弱 前 | 2 件の回答 | 0

2

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質問


If only one positive elem per row (rest are 0), then fill both sides of positive element
Hi, I have a square matrix of non-negative elements. In each row, at least one element is positive. For rows where there is...

4年弱 前 | 3 件の回答 | 0

3

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質問


Remove sub-matrix if any col are all nan (3D matrix)
Hi, In a 3D matrix, I have 4 sub-matrices of 3x3, like A below A=[1 2 nan; 2 5 nan; 4 2 nan]; A(:,:,2)=[3 4 5; 4 nan na...

約4年 前 | 1 件の回答 | 0

1

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質問


Repeat previous row if condition
Hi, I have an nx2 matrix, the first column gives the order, 10 20 30 40 and then repeats again, but if there is no observation ...

約4年 前 | 2 件の回答 | 0

2

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質問


Convert to serial using only year and month (no day)
Is there a way to convert from matrix A (5x3) where the first element is year and the second element is month (no day element) ...

約4年 前 | 2 件の回答 | 0

2

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質問


Superimpose matrices of different sizes
Hello, I have matrix A 2x5 of NaN A=... [NaN NaN NaN NaN NaN; NaN NaN NaN NaN NaN] and another B matrix 2x3: ...

約4年 前 | 2 件の回答 | 0

2

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質問


2D matrix to 3D matrix given index in the 2D matrix col1
Hello, I need to construct a 3D matrix using a 2D matrix. As an example, take matrix A which is 7x4. First element of fir...

約4年 前 | 1 件の回答 | 0

1

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質問


fmincon non linear constraint: too many input arguments
Hello, I need to minimize a log-likelihood function subject to a non-linear constraint. So I created a function for this constr...

約4年 前 | 1 件の回答 | 0

1

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質問


Monthly averages for each year using daily data in datenum form
Hi, I have matrix A (4000x2), the first column is daily data in datenum form. For example I have 734459, which using datestr br...

約4年 前 | 1 件の回答 | 0

1

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回答済み
Simil to VLOOKUP (but ismember index 0)
Thanks a lot, that solves my problem.

約4年 前 | 0

質問


Simil to VLOOKUP (but ismember index 0)
Hello, I have array A 10x1 and array B 3x2 as below A=[1; 2; 3; 4; 5; 6; 7; 8; 9; 10]; B=[2 100; 4 500; 7 300]; I nee...

約4年 前 | 2 件の回答 | 0

2

回答

質問


fminsearch terminates/converges for a high fval
Hello, I am trying to estimate the parameters of a function but the optimization terminates even though the objective function i...

4年以上 前 | 1 件の回答 | 0

1

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回答済み
elseif using specific sets
I'll use "while" instead, thanks though X=[1 2; 0 1; -1 4; 4 7; 10 10; 0 0] ii=1 y=1e-10 while y<10 y=X(ii,1)+X...

4年以上 前 | 0

| 採用済み

質問


elseif using specific sets
Hello, I need to evaluate a function for specific sets, ideally don't want to evalute the function for all sets so once it is ab...

4年以上 前 | 1 件の回答 | 0

1

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質問


Find repeated row from col1, average repeated from col2, erase repeated row
Hi, I have matrix A (7x2) where the first column has some repeated rows A=[54.5 300; 56 250; 57 100; 56 600; 56.5 700; 57 80...

4年以上 前 | 1 件の回答 | 0

1

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