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Miguel L


Last seen: 2 years 前 |  自 2015 起处于活动状态

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统计学

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How I can perform a loop in order to calculate multiple means in a matrix based on multiple values?
Hello Matlab community! I am learning how to perform loops! I am working with multiple years of meteorological information, a...

7 years 前 | 1 个回答 | 0

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How to create 3D matrix from geographic coordinates?
Hello guys! I was trying to figure out how to find the solution for this issue, however I can't find the answer and I would l...

7 years 前 | 1 个回答 | 0

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How do you extract even columns and even rows from an nxn matrix?
How do you extract even columns and even rows from an nxn matrix? I have a matrix of 2574 x 5148 and I only need the even col...

7 years 前 | 1 个回答 | 0

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Import only certain columns (with numeric values) from multiple text files with complex name
Hi everyone! I am wishing to import only certain columns (with numeric values) from several text files (approximately 118), i...

7 years 前 | 1 个回答 | 0

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Keep only certain rows based in three column values
Hi everyone! I have been trying to solve this issue, but I have no identified the workaround! From the next data set: ...

8 years 前 | 1 个回答 | 0

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Replace rows with NaN only if there are more than two continous zero values in the same column
I am a begginer in Matlab. I need to replace with NaN all rows which contain more than two continous zero values in the same col...

8 years 前 | 5 个回答 | 0

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Delete rows only if there are at least a repeated zero value in the previous or next row of the same column
I need your help fellows. I want to remove all rows which contain at least a repeated zero value in the previous/next row of the...

8 years 前 | 1 个回答 | 0

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Sum loop inside a large vector
Hi everyone! I have 5 years with hourly data from a meteorological station (24 hours x 365 days x 5 years= 43800 data in tota...

8 years 前 | 2 个回答 | 0

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How I can eliminate days with incomplete hours?
Hi everyone. I can't find a solution to my issue in the web. I have hourly averages data from a meteorological station. However ...

8 years 前 | 4 个回答 | 0

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Sum in a loop
Please someone could help me how to do this in a loop; I am kind of begginer in Matlab: <</matlabcentral/answers/uploaded_fil...

8 years 前 | 1 个回答 | 0

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How to intersect until thirteen Matrices if it were present two conditionals?
Hello guys. I have thirteen matrices with two columns by ten thousands rows by each one; the first column corresponds to the ...

8 years 前 | 1 个回答 | 0

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Deleting rows with identical values in determined columns of two matrices.
Hello. I have two large matrices with the next dimensions Matrix a = 6700 x 8. Matrix b= 388000 x 8 As a note, I w...

9 years 前 | 1 个回答 | 0

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Removing rows with identical values in four columns.
Hello. I have a large matrix with dimensions of 300123 x 8. As a note, I would like to say that in the matrix, column 1 to co...

9 years 前 | 1 个回答 | 0

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Removing rows with identical column value
Hello. I have a 2 x 3 matrix. I want to delete all rows which have the same elements in column 3. For instance: a = [2,7...

9 years 前 | 2 个回答 | 0

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