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charles atlas


suny binghamton

Active since 2011

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Milk is for babies. When you get older you have to drink beer.
Professional Interests: engineering

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Urlread and write to an Excel sheet
All, I have the following code which reads the data off of this website <http://www.aviationweather.gov/adds/metars/?station_...

8 years ago | 2 answers | 0

2

answers

Question


Adding map of the east coast to plotted lat/longs
All, I have a GUI that plots a number of lat/longs all over the east coast and the gulf. What I want is to underlay a map ...

9 years ago | 2 answers | 0

2

answers

Question


Storing products in a folder in my directory
All, So I have a script that reads data with urlread and then stores the data in a .txt file. I store the working directory ...

9 years ago | 1 answer | 0

1

answer

Question


Having Matlab automatically choose the directory I am in
All, I have a code that references the user directory that I am in: userDir = uigetdir('C:\','Browse to station direct...

9 years ago | 2 answers | 0

2

answers

Question


Remove NaNs during plotting (keep array the same length)
Here is my issue: The Following code plots numbers as text on a Figure that already has points. for k=1:length(temps) ...

10 years ago | 2 answers | 0

2

answers

Question


cell array question finding minimums of intervals of time matrices
I have a cell array that is a 1:100 cell (cellarray1). each one of the contents of that cell is ALSO a cell. The contents of e...

10 years ago | 1 answer | 0

1

answer

Question


Column Number Matching
I have two columns of data stored in array "A" one is random numeric data and the other is just numbers 1, 2, 3, 4, or 5. I wa...

12 years ago | 1 answer | 0

1

answer

Answered
number of values greater than zero in a large matrix
Reducedmatrix=sum(Grandmatrix~=0); works the best. The problem is, it counts numeric data when there is more than one nonzero va...

12 years ago | 0

Question


number of values greater than zero in a large matrix
I have a 900X25 matrix The matrix has rows of zeros with one or two numeric values. Some rows have all zeros. What I want to do...

12 years ago | 3 answers | 0

3

answers

Question


Creating a meshplot with only x, y and z vectors (not matrices)
I have a bunch of points that correspond to random points on the x y plane. I have heights that correspond to heights of those p...

12 years ago | 1 answer | 1

1

answer

Question


Changing height Z axis in 3D scatter plot
I have a 3D scatter plot. My issue is that the X and Y axis are latitudes and longitudes and are stored in the arrays “LAT and L...

12 years ago | 1 answer | 0

1

answer

Question


Deleting X-Y points that are not near other points on a field of data points
I have a set of data. This data is around 900 rows of two columns. Each row has an X and a Y value which specifies a point on th...

12 years ago | 3 answers | 0

3

answers

Question


Adding a column of character data to a column of numeric data
I have two columns of data. One is a column of numeric data, and one is a column of time data. G=numeric data; T=datestr(T, 'H...

12 years ago | 1 answer | 0

1

answer

Question


Deleting rows in Matlab
I have a large column vector (col1) I have the following code: notcontacts=(col1(:,1)>600); col1=col1.*notcontacts ...

12 years ago | 1 answer | 0

1

answer

Question


Rows
I have a matrix of data and with 1000 rows and 5 columns. I want to take the minimum value in each row and store that in a colu...

12 years ago | 2 answers | 0

2

answers

Question


one column of data manipulating the other.
I have two columns of data as such: c1 = [1 3 5 9 13]; I have another column of data as such: c2 = [34 65 79 134]; I...

12 years ago | 1 answer | 1

1

answer

Question


Matching lines of data and negating errors in the textfile
I am reading in a text file with the following code: fid=fopen(‘filename.txt’, ‘rt’); X=textscan(fid, ‘%s%s%s%s%s’, ‘hea...

13 years ago | 1 answer | 0

1

answer

Question


Return the number of rows of an array of cell data
I have an array of cell data “a” in Matlab. I want to look at the array (which contains numeric and text data) and say in Matla...

13 years ago | 3 answers | 0

3

answers

Answered
Reading 3rd set of data from large text file
Is there any way to have a code that cycles through the text file and says once you see numeric data is 8 columns (skipping the ...

13 years ago | 0

Question


Reading 3rd set of data from large text file
I have a large set of data that I am reading from a .lis file. There are 3 lines of header data, then a few thousand lines of nu...

13 years ago | 2 answers | 0

2

answers

Answered
reading columns from a text file with errors
In other words the data that I read in with fopen and textscan ends up looking like this: time 123 0.00 heating 5...

13 years ago | 0

Answered
reading columns from a text file with errors
They have spaces between them. they are numeric and text data

13 years ago | 0

Question


reading columns from a text file with errors
I have a code displayed below clear clc file1=input('enter file name in single quotes '); fid = fopen(file1,'rt...

13 years ago | 4 answers | 0

4

answers

Question


Comparing sets of data
I have a column of data that has a bunch of numbers indicating height of something. I have another column of data also indicatin...

13 years ago | 1 answer | 0

1

answer

Question


time on x axis
I have the following code fid = fopen('file.txt','rt'); X = textscan(fid,'%s%s%f%s%s%s%f%f%f%f%s%s%s%s',... 'HeaderLi...

13 years ago | 2 answers | 0

2

answers

Question


Converting cell data to a matrix
I have one column of cell data in Matlab that reads the following: 11:32:44.69 InAir 0.00 Steady 0.00 -1.06 0.00 1.00 1...

13 years ago | 1 answer | 0

1

answer

Question


plotting a line that is multiple colors
I have some data that I am plotting column A is time data in seconds, column B is height and column c is a column of string dat...

13 years ago | 1 answer | 0

1

answer

Question


Excel displaying unwanted date data
I have an array of date data as shown: dates= '12/23/2011' '12/23/2011' '12/23/2011' '12/23/2011' '12/23/2011...

13 years ago | 1 answer | 0

1

answer

Question


Extract text data and time data from notepad file
I have a very large text file in notepad and I need to extract data from it. The exact data is displayed as such: 05/12/20...

13 years ago | 2 answers | 0

2

answers

Question


Vertical Distance between two points of curves on a graph
I have a graph with two curves written in matlab and I want code or a simple command to display the maximum vertical distance be...

13 years ago | 1 answer | 0

1

answer