# pink flower

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**Content Feed**

Question

How to accumulate values from time 1 to the last time

I have more than 10000 files and I want to accumulate the values of given variable between all these times and then plot it on a...

4 månader ago | 2 answers | 0

### 2

answersQuestion

How to put a shape on top of an image?

Hello. I want to join two images: a shape (created by mapshow) and an image (created by imasgesc). Is it possible to overlap on...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

How to merge data with latitude and longitude?

Hi. I have a data matrix and I need to open it in an image. However, I need to cross this data with the latitude and longitude a...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

How to identify outliers and remove?

Hello! I have a .txt file with a lot of data and I need to identify and remove outliers. I already tried the command rmoutli...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

How to make a color scale like this?

Hello. How can I make a color scale with several different colors? I would like a scale exactly like this, with 100 colors. Th...

ungefär ett år ago | 3 answers | 0

### 3

answersQuestion

How to do boxplot for vectors with differents lenghts?

Hello everyone. I have 3 files with 1 vector each, and each vector has a different size. File 1 has a vector with 12646482 line...

ungefär ett år ago | 1 answer | 0

### 1

answerQuestion

Using while loop to analyze lines repeated

Hello, everybody. I have a doubt: How can I compare three of the 7 columns in a file? I have a data file with 7 columns. data ...

mer än ett år ago | 0 answers | 0

### 0

answersQuestion

How to use if/else to skip repeated lines?

I have a file like this: 20140101 0000 69760 -5.965 -36.250 26.0 02000 20140101 0000 69761 -5.974 -36.250 23.5 02000 20140101...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How to find a value in a file from the index of another array?

I have a data column with 7 columns. Based on column 1, 2 and 7 of the .txt file, I need to open my .dat file. Next, I need to f...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Removing rows duplicates based on some conditions

Hello. I already asked a very similar question here, but I didn't understand the commands well, so I decided to ask for help aga...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How can I to convert a cell to a double without losing the leading zeros?

I have a loop where I am trying to extract the numbers and convert them to double. However, when the numbers are "0000", the res...

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

How to open files based on information from another file?

I have a .txt file with 7 columns and thousands of rows, as follows: 20140101 2240 140213 -5.543 -34.973 32.4 2000 20140101 22...

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

Extracting numbers from mixed string

I need to extract the four-digit information that is before the period. With these commands that I have, only the zero digit com...

mer än ett år ago | 3 answers | 0

### 3

answersQuestion

Find the values from the index in another matrix

I have a .txt file (file 1) with row numbers and 5 columns with information for an entire month, where the first column is the i...

mer än ett år ago | 0 answers | 0

### 0

answersQuestion

Error using cat: Dimensions of matrices being concatenated are not consistent.

Hello! I have this program that, at the end, I need to assemble a matrix with 5 columns: var1, var2, var3, var4 and hh. Howeve...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How to combine multiple columns into array?

I have 5 columns and I would like to join them and form a matrix with n rows and 5 columns. How can I do this?

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How to save matrix using fprintf in .txt file?

I have a loop that opens several files. Then, 5 variables are extracted from each file and I want to save them as a matrix using...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Remove rows duplicates based on a condition

I have an array with 717136 rows and 5 columns. I need to exclude the rows where the value of the first column is the same, but ...

mer än ett år ago | 2 answers | 0

### 2

answersQuestion

How to insert file name into an array?

I have a sequence of 62496 files. Each file name has information about height, year, month, day, hour and minute, for example, 1...

mer än ett år ago | 1 answer | 1

### 1

answerQuestion

How do I create an array of one column and several lines with only a few characters from the name of my files?

I have several files with this structure. At each loop, a file is opened and I would like to write the first 5 characters of the...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How to merge multiple files into one?

Hi! I have 6 binary files and I would like to merge them into one to generate a single image of the variable that is inside thes...

mer än ett år ago | 0 answers | 0

### 0

answersQuestion

How can I find the column values for a given row?

Hello. I have a txt file with 1000000 rows and 5 columns and I want to know the values of the 400000 row. Can anyone give me a...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How to delete the first line in txt file?

Hi! I saw that there are already some solutions here, but none of them worked for me. I would like to remove first line from the...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

How to replace zero with NaN in the last column?

Hi! I need to replace zero with NaN in the last column of my txt file. But only those with zero. Values that are 0.39, for e...

mer än ett år ago | 1 answer | 0

### 1

answerQuestion

Merge two files with different information

I have two .txt files and I would like to combine the two and put them in one. My files looks like this: file1.txt 1998 1 1 ...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

How to save the data with the day, month and year data information?

Hi. I have an .m file that opens binary data and extracts soil information from it and divides the values found by 6. Then I s...

nästan 2 år ago | 0 answers | 0

### 0

answersQuestion

How to sum up numbers in time series from .txt file

I have a .txt file with time series matrix like this: 2014,01,29,14,04,0.200 2014,01,29,14,50,0.000 2014,01,29,15,50,0.000 ...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

Sum of numbers from a text file

I have a text file with 288 rows. I want to add the values of 6 in 6 lines. For example: 1,00 1,00 1,00 0,89 1,00 1,00 1,...

nästan 2 år ago | 1 answer | 0

### 1

answerQuestion

How to store some values in a txt file from a loop?

file = dir ('*.dat') for i = 1: lenght(file); data = fopen(file(i).name); soil = fread(data,[1000 1000], 'float32')...

nästan 2 år ago | 0 answers | 0