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isamh


Last seen: nästan 4 år ago |  Active since 2020

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some rows appears as text in excel when it should be numerical.
I calculated some data and imorted that to an xlsx sheet. for some odd reason, some rows show as text while others show as numer...

ungefär 4 år ago | 0 answers | 0

0

answers

Question


trying to pad smaller table to larger table
i have a csv file that table thats a (20 x 30,0000) and i calculated data thats (1 x 27) and need to add that to that csv file. ...

ungefär 4 år ago | 2 answers | 0

2

answers

Question


include calculated data into csv file
so, I created a code that does some calculaiotns for me, i have an .xlsx file with data and my code solves for some calcautions ...

ungefär 4 år ago | 1 answer | 0

1

answer

Question


trying to output mean values that were calculated into excel.
i have about 40 values that were calcualted but would only like to output 10 out of the 40. i calculated the mean, Standard devi...

ungefär 4 år ago | 1 answer | 0

1

answer

Question


trying to obtain data from a txt file but one column has negative values and ignores the - sign and leaves it as +
str = fileread('Wello.txt'); nums = cellfun(@str2double, regexp(str, '([\d.,]+)', 'match')); DATA = reshape(nums, 3, [])'; ...

ungefär 4 år ago | 1 answer | 0

1

answer

Question


How to get last numerical value from column A only?
I have a CSV, I want to get the first and last value from column A. I found the first value, which is: First = P(1); i cant se...

mer än 4 år ago | 2 answers | 0

2

answers

Question


time align two files
I have two CSV files that are not equal sizes. for one of the files,I want to obtain all values for when column two is only equa...

mer än 4 år ago | 1 answer | 0

1

answer

Question


prompt the user to select a csv file
I have two CSV files that I want the user to choose. I want to prompt the user to choose file or files needed. how would I do th...

mer än 4 år ago | 1 answer | 0

1

answer

Question


have two columns that are the same size but one of them has NAN on the first and last row, how would i delete those rows for both columns
code is this: [rows, cols] = find(isnan(Fe)); Fe(:,unique(rows)) = []; WAT(:,unique(rows)) = []; error message is: Mat...

mer än 4 år ago | 1 answer | 0

1

answer

Question


How to plot a single column of values with a linear regression line through it
I have a column that I wann plot and have a regression line go through it, How would I do that? my code so far is: figure(1) ...

nästan 5 år ago | 1 answer | 0

1

answer

Question


Text file has headers that are 2X4 and are repeated randomly within the data.
txt file is: R E V D ms km/h km/h - 689427 0.0 0.00 0.0000 689527 0.0 0.00 0.0000 689627 0.0 0.00 0.0000 689727 0.0 0....

nästan 5 år ago | 1 answer | 0

1

answer

Answered
how to extract data from an text file?
Hey Walter, I tried to ignore any text that appears within the TXT file but kept getting an error message. Code: result = []; ...

nästan 5 år ago | 0

Question


trying to calculate the central diff approximation
i tried multiple ways but none of them worked. kind of stuck and not sure what to do. what i'm trying to do is find current valu...

nästan 5 år ago | 1 answer | 0

1

answer

Answered
how to extract data from an text file?
will try that out, thanks for everything Walter!

nästan 5 år ago | 0

Answered
Adi is set to 0 when i = 1
thanks for the response! when Vd = Vdi_1.*(Vdi_1 == 1); it returns a row of all zeros and Adi is all 10s.

nästan 5 år ago | 0

Question


Adi is set to 0 when i = 1
Adi = (Vd+1 - Vdi-1)/(2*(.1)) i have a equation that's plus and minus 1 from values within a column. column is made up of numbe...

nästan 5 år ago | 2 answers | 0

2

answers

Question


how to extract data from an text file?
I have two files, one in excel and one in a text file, how would i obtain column data from the text file even though i did it fr...

nästan 5 år ago | 4 answers | 0

4

answers

Question


how to plot values that only fall within a range?
have an excel file where i am plotting the values that are around 113 KPH. there are thousands of rows for that specifc column a...

nästan 5 år ago | 1 answer | 0

1

answer