Answered
datetime default stetings 12/24
Use HH instead of hh for the hours: >> datetime.setDefaultFormats('default','hh:mm:ss yyyy-MM-dd') >> t = datetime(2019,8,10,...

4 years ago | 6

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Answered
How to read a file containing non numerical characters and commas?
The 22 lines of text are easily dealt with using the 'HeaderLines' option. Next you must convert your strings to doubles. Below...

4 years ago | 0

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Answered
Cell Array Dynamic Size
If you are happy with storing the data as a matrix for each sheet : filename = 'Q.xlsx'; n_sheets = 2; DP = cell(1,n_sheets);...

4 years ago | 0

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Answered
I have IgorTime data in which time:units = "seconds since 1904-01-01". I would like to convert this seconds to datevc.
First: Are you sure your T vector is in seconds? If so, your time list covers about 48 milliseconds around 01-Jan-1904 11:41:29....

5 years ago | 1

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How to add headers to Excel.
filename = 'testdata.xlsx'; header = {'name', 'Age'}; A = [12.7;5.02;-98;63.9;0;-.2;56]; B= [12.7;5.02;-98;63.9;0;-.2;56]; c...

5 years ago | 1

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Answered
Plot multivariable function,can't get the plot right ?
The main problem with your plot is simply that the large values of f for y > 0.5 dwarf the variations at lower values. Changing...

5 years ago | 1

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Answered
Matrix divison or calculating slope
There is a syntax error with your use of parentheses. Also, the slope for the last row is not defined. This should work: nro...

5 years ago | 0

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Answered
fitting a curve (3D) to pointcloud data
Assuming that the points are listed in sequence along your curve, you can express x, y, and z as functions of the (approximate) ...

5 years ago | 1

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Answered
Word Search Words Overlapping
I was fascinated by your problem, so I wrote my own version. This gave me some insights: I recommend that you first create an ...

5 years ago | 0

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How to find same element in txt file (in a coloumn) and find the amount for averaging the value of another coloumn ?
There may be more elegant ways to read the file, but I often prefer to use textscan to read a text file into a cell array of str...

5 years ago | 1

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Answered
Degrees-Minutes-Seconds Separation
It simplifies things if you use a doubke quote (") instead of two single qotes ('') to denote seconds. I enclose the modified ...

5 years ago | 0

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Answered
reading a txt file with rows of different length
fid = fopen(filename); lines = textscan(fid,'%s','delimiter','\n'); fclose(fid); lines = lines{1}; % The points data are in ...

5 years ago | 3

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Reading data row by row into matlab.
I often find it useful to read the file into a cell array of strings using textscan. Then I can easily experiment with how to b...

5 years ago | 1

Answered
Reading CSV files in a sequence based on numeric value in file name
d = dir('*.csv'); filenames = {}; index = 0; k = 0; for i = 1:length(d) % Using regexp with lookaround on the file name t...

5 years ago | 0

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Answered
How to index a random matrix with set conditions?
For a list of the negative values: negM = M(M<0) For the indices of the negative values: [i,j] = find(M<0) To display only t...

5 years ago | 1

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Answered
How to identify points that are located in a polygon when this polygon passes through the meridian?
It seems that you are using the mapping toolbox, Then you can use ingeoquad: ingeoquad([35,45],[0,10],[30 40], [355 5]) Your ...

5 years ago | 2

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I have set of latitude and latitude of a specific region which has the mobile towers deployed and now I want to know the best possible location to deploy new mobile towers to overcome the coverage issues, which algorithm or what will be best way to ?
Obviously, optmal locations will depend on many factors, such as topography and signal interference risk. But as a first approx...

5 years ago | 3

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Answered
how can i get an improved Euler's method code for this function?
There are two problems with your code: The analytical solution is incorrect You increment x inside the for loop. Don't. The f...

5 years ago | 2

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Answered
saving real roots in a vector; "solve" gives me weird results
The code below will solve your problem as stated. In the general case with other parameters it may not be robust. You may need...

5 years ago | 0

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Answered
How to find the arclength and radius of curvature for a set of 3D data points?
I was inspired by your question to write a functon that calculates the arc length and curvature of a 1D curve in 2D or 3D space....

5 years ago | 2

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Answered
'For ' loop for every day for one minut fequency sea level data
Your problem seems to be the selection of data to calculate min and max values. The code below should help you on your way. Con...

5 years ago | 1

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Answered
Curve fitting with an integral involved
function theta = Gil data = [ 0.5 1 1.1 0.83 1.6 0.74 2.2 0.55 2.5 ...

5 years ago | 3

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Answered
I am creating a date file using the following script, i want it to print DATES[] in the file my_dates.txt but it's only printing one date which is 2.0171e+09, that is when i type A(1,1)...i pleading for help?
The problem with your file is that you overwrite your Date_num value whenever you calculate a new one. Your DATA variable has n...

6 years ago | 0

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Answered
How to determine the centroid of this fan(triangle) where the coordinates of one of the vertices is only known and the distance is also known?
In my comment there was a typo in the expression for the centroid. A factor of 1/3 was missing. Sorry about that. Here is a ...

6 years ago | 0

Answered
How to output specific rows from tables depending on values within the table?
I am a little uncertain about the type of data structure you use. For completeness I therefore entered your data in an Excel wo...

6 years ago | 0

Answered
switch in text file
I think a simple if ... else would be better that switch in your case: if isempty(strfind(C,'exp_sse2.c')) % Actions ...

6 years ago | 0

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Answered
how to pass the vector "TCP_value" in to the function
In your test you must compare element no, _i_ in the TCP_value array with the limits: function GRADE(TCP_value) for...

6 years ago | 0

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How can i change the 1st row 1st column and last row last column values in a tridiagonal matrix
A(1,1) = 17;A(end,end) = 23; You can create your original matrix without using a loop: n = 5; A = diag(ones(1,n))*3...

6 years ago | 0

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Answered
If Statement to meet 8 Conditions
tests = false(8,1); test(1) = all(channel1(1:10)>=min1 & channel1(1:10)<=max1); test(2) = all(channel2(1:10)>=min2 & cha...

6 years ago | 0

Answered
Center align multi-line title in latex format
Using Latex forces left-alignment of lines in cell array of strings . (This may have been changed in the newest versions of Mat...

6 years ago | 0

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