Question


how to place zeros instead of blanks in array
hello everyone, i have a char array of size 358695x3, that is 358695 rows and it is called B, when i write the following code st...

6 years ago | 1 answer | 0

1

answer

Question


error using horzcat for multiple files
hello everyone, i wrote this code to read text files with extension YO7, each file represents a month in the year, when i run it...

6 years ago | 0 answers | 0

0

answers

Question


how can i choose data in the popupmenu in GUI?
hello everyone, i have data that is for two months, January and July, the data is called class9_data, i already programmed the p...

6 years ago | 0 answers | 0

0

answers

Question


how can i delete the extracted rows from the original matrix ?
Dear All, I have an original matrix called M that is 1000*15, I extracted a matrix from it based on a condition and is called Ta...

6 years ago | 1 answer | 0

1

answer

Question


What is the meaning of "There is no property on the UIControl class."?
Dear All, I have sets of data and I need to import them to the function based on the month variable, I wrote this code on the gu...

6 years ago | 2 answers | 0

2

answers

Question


How to operate > and > to extract a matrix?
Dear all, I have a matrix and i need to extract a smaller matrix based on a condition, this condition took the following shape a...

6 years ago | 1 answer | 0

1

answer

Question


How can I call a function to draw histogram in GUI?
Dear all; I have a function written below, this function supposed to provide me with a histogram, when i push the button it must...

6 years ago | 1 answer | 0

1

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Question


how to extract rows and leave zeros behind?
Dear All, I have a big matrix called A, I extract another matrix from this A and call it B based on a condition of the value x i...

6 years ago | 1 answer | 0

1

answer

Question


How can I please reduce the code running time?
Dear All, I wrote this code to analyze my text data, each time I run this code it takes exactly 22 minutes to finish ! which is ...

6 years ago | 3 answers | 0

3

answers

Question


How to add the corresponding values in different matrices
Dear All, I have 4 matrices, the first one dimension is a= 0 by 0, the 2nd one is b= 44661 by 1, the 3rd one is c = 10 by 1 and ...

6 years ago | 1 answer | 0

1

answer

Question


does the GUI read scripts?
Hello Guys, I have a question please. I started to watch tutorials on YouTube about the Graphical user interface on matlab, beca...

6 years ago | 1 answer | 0

1

answer

Question


how to extract matrix based on a condition?
Hello Everyone, if I have a matrix for example 100 rows by 38 columns, column number 14 has distances, how can i build a for loo...

6 years ago | 1 answer | 0

1

answer

Question


how to use the str2num for the whole array at once
Dear all, when I read a text file and import it as an array A, sometimes I use the function str2num to return the imported vecto...

6 years ago | 3 answers | 0

3

answers

Question


how to remain the original matrix dimension and remove blank cells
Dear All, I imported data from a text file, this text file has 300000 rows and must have 105 columns for example. when i import...

6 years ago | 1 answer | 0

1

answer

Question


How can I name different plots?
hello Everyone , I draw a lot of monthly data plot by a for loop from 1 to K, and each plot depends on the inputs from every ...

7 years ago | 1 answer | 0

1

answer

Question


how can i exclude rows from a matrix
Dear Guys, I have a question that will help me a lot in my research. lets say I have a matrix of 3000*2 dimensions. the first 2...

7 years ago | 1 answer | 0

1

answer

Question


how to create one row table
Hello guys, I am trying to create a one row table, I have 19 variables (called them z) and their values (called them y), I wrot...

7 years ago | 1 answer | 0

1

answer

Question


How to read a sequence of files with same extension and store it
Hello Everyone, I have N number of text cards, lets say 200 cards with similar extension, the extension is (07), I wrote a code ...

7 years ago | 1 answer | 0

1

answer

Question


how to select multiple files with similar extension
Hello Guys, I have a folder that has a lot of files, how can i ask MATLAB to select just the files with the extension(07) to be ...

7 years ago | 1 answer | 0

1

answer

Question


how can I call multiple matlab files
Dear All, I have 12 cards or files, each file represents a month in the year, they are all in the same folder on my desktop. the...

7 years ago | 1 answer | 0

1

answer

Question


how can I convert and gather vectors into one matrix
Dear All; I have some vectors that i imported from a text file, MATLAB imported them as separate columns or vectors, they we...

7 years ago | 0 answers | 0

0

answers

Question


How can I return numbers into days of a specific month
Hello everyone, I have a matrix with size of 2688*2, each cell contains a number that represents a day in the month, for exampl...

7 years ago | 0 answers | 0

0

answers

Question


how can i select specific rows and sum the values later
Hi all; i have a problem to select every row. for eg: i have matrix 2600x25. one of the columns is the day of data, 1 to 31 ...

7 years ago | 1 answer | 0

1

answer

Question


How do I plot data points with x-axis tick labels that are strings?
hello there, i have 15 (x) points named x1 to x15; and corresponding to this i have 15 (y) points named from y1 to y15. how can ...

7 years ago | 2 answers | 0

2

answers

Question


how to convert numbers to days names
Hello There, I am a PhD student and working on some traffic counting cards, the card has around 2900 rows and one column, th...

7 years ago | 1 answer | 0

1

answer

Question


How can I read a text file as fixed width columns?
Hello, I have a traffic cards with information about traffic every 15 minutes, over one year I will have 2500 rows in every c...

7 years ago | 1 answer | 0

1

answer