djr
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Professional Interests: Meteorology and physics
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Frage
Integral of exponential function that contains another integral
Hello everyone, I have the following integral: where and is a constant in one case and in another case. In addition, my ...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Slice and streamslice along diagonal
Hello, I have X,Y,Z,U,V,W 3D arrays of the size 101x201x4. I plotted slice and streamslie in the x-z plane along y = -3 as sh...
fast 4 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Quiver uniform arrows spacing
Hello, I have the following data (attached) that want to use in quiver plot as follows: quint = 20; quiver(xplot(1:quint:e...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Finding and plotting radial component in vector field
Hello Everyone, I have a vector filed given on a Cartesian grid with two vector components Uc and Vc (attached). My grind has 1...
fast 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Filling NaN void in polar plot
Hello Everyone, I am dealing with a polar plot that is incomplete due to NaN values in the data. Please see figure 'Void pol...
mehr als 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Comparing elements of rows (in cell) and columns (in array) and plot results as 2D mash/grid
Hello, I have a cell _A_ (attached) where the first column is the instrument number and the other two columns are _x_ and _y_...
etwa 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Advanced 3-D bar plot
Hello, I have measurements that are conducted on a rail that has a cross-like shape (please see attachment 'Measuring positio...
mehr als 6 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Finding four parameters that are the closest to the prescribed value_Minimize the function?
Hello, I have four a cell with four arrays each containing around 5000 numbers (all arrays have the same length). I call thes...
fast 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Find values in array a based on unique values in array b as well as based on the range of values in b
Hello Everyone, I have two long arrays that look like this: a = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17] b = [10,1...
fast 7 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Efficient way of reading cell arrays
Hi What would be the most efficient way to read content from cells; is it using for loops or cellfun functions. For example,...
mehr als 7 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Assigning property/value to image color, Oklahoma state
Hello, I have a very simple image (attached) that has white background and several filled circles of different colors. I am ...
etwa 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Optimizing a 'for' loop
Hello, I have a cell containing two cell columns. Column 1 is date and Column 2 is hour. I want to merge them together and t...
etwa 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Remove rows usig cellfun
Hello, Neg is 1x8 cell. Each cell column has 101096 data, i.e. length(Neg{1,1}) is 101096. All data are numbers. I need to f...
etwa 9 Jahre vor | 1 Antwort | 0
1
AntwortFinding elements in column that meet some criteria
Thanks so much. Yes, Z is Y (my bad).
mehr als 9 Jahre vor | 0
Frage
Finding elements in column that meet some criteria
Hello, I have a matrix that has 3 columns and 186 rows. Values are something like this: Velocity X ...
mehr als 9 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Identifying events in time series
Hello, I have a logical vector (made out of 1's and 0's) that corresponds to a time series. For example, 1 1 1 0 1 1 1...
mehr als 9 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Reading specific data from formatted txt files - looks very dificult
Hi, I have 15 ascii files. The file names are 1948_1950, 1950_1955, 1955_1960, 1960_1965, ..., 2010_2014 (all files except t...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortAdd zeros to some dates
Thanks guys... Both answers worked. Thanks so much!!!
mehr als 9 Jahre vor | 0
Frage
Add zeros to some dates
Hi, I have a file with dates that are in the format 'yymmdd'. For example, 991231 would be Dec 31st, 1999. However when it g...
mehr als 9 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
Change of data format
Hello, I have a *.txt file with data in the following format (say, file1): 00Z01JAN1948 0.00579036 06Z01JAN1948 0.003...
mehr als 9 Jahre vor | 2 Antworten | 0
2
AntwortenModifying files and merge files
Thank you all... you helped me a lot!
mehr als 9 Jahre vor | 0
Frage
Modifying files and merge files
Hi, I have a file that has dates in the folowing format: 1011949 % This would be 01JAN1949 2011949 % This would ...
mehr als 9 Jahre vor | 3 Antworten | 0