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bar graph
Rather than use |hold|, why not do h = bar(1); axis(...) outside the loop, then in the loop do set(h,'YData',i)

mehr als 15 Jahre vor | 0

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How can i store multiple data into same excel file ?
I'm going to assume that the issue is that you want to run this code again later (with different data), so you don't necessarily...

mehr als 15 Jahre vor | 0

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How to convert string to time?
If you want an actual decimal minute value: x = '04:55' y = str2double(regexp(x,':','split')) z = y*[1;1/60] (Leave off ...

mehr als 15 Jahre vor | 2

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New column
I think this does what you want: Price = randi(10,20,1) buy = [true;diff(Price)>=0]; idx = find(~diff(Price)); buy(idx+...

mehr als 15 Jahre vor | 0

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colorbar
You can change your colormap to have more colors. The default is 64. colormap(jet(128))

mehr als 15 Jahre vor | 0

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import time
You can use |textscan| to read arbitrarily formatted data from a text file. If you want to keep the values between the colons s...

mehr als 15 Jahre vor | 0

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Fliplr and flipud functions no longer accepts vectors
|ismatrix| is true for a vector or even a scalar -- everything in MATLAB is a matrix unless you force it not to be (eg a 3-D arr...

mehr als 15 Jahre vor | 0

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how to read a data file with textscan when the the data type is inconsistant
A simple hack workaround would be to read the first column as a string, then remove anything non-numeric from that string and co...

mehr als 15 Jahre vor | 0

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Definition of function
Are there any lines of code above the function definition line? That will generate that error message. For example: filen...

mehr als 15 Jahre vor | 0

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What should take the longest time to run in matlab?
Just to mess with you, there are some other subtleties about the way MATLAB handles passing data to functions, which will come i...

mehr als 15 Jahre vor | 0

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Select rows from txt file
How are you going to store the data once you get it? Do you just want the text? Or do you actually want to read in data? If t...

mehr als 15 Jahre vor | 0

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Lagrange Interpolation code
Hmm, maybe you should form a study group with <http://www.mathworks.com/matlabcentral/answers/3338-lagrange-interpolation-m buxZ...

mehr als 15 Jahre vor | 0

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loop
The |n| th row of the matrix variable |AF|. The colon stands for all indices, and MATLAB indexes by row-then-column. Hence, |A...

mehr als 15 Jahre vor | 0

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How to read information from a txt file header?
Assuming the header information is always the same format (or at least same number of lines): fid = fopen('data2.txt','rt'); ...

mehr als 15 Jahre vor | 1

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Solving nonlinear scalar ode's
Given that you have to use AB2 (with, apparently, a fixed stepsize) I going to take a guess that this is a numerical analysis ho...

mehr als 15 Jahre vor | 0

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texscan multiple variables
fmt = repmat('%f',1,30); d = cell2mat(textscan(fid,fmt));

mehr als 15 Jahre vor | 0

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Headers in Matlab
Perhaps <http://www.mathworks.com/help/toolbox/stats/datasetclass.html |dataset| arrays> are what you're looking for? The synta...

mehr als 15 Jahre vor | 3

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ring (annulis) patch?
How's this? The patch is a single object, but you have to add the edge lines separately in this approach (otherwise you see the...

mehr als 15 Jahre vor | 2

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Writing an M-file for an iteration of x=cos(x)
Check out <http://www.mathworks.com/matlabcentral/answers/1148-how-to-learn-matlab this discussion> for some suggestions on lear...

mehr als 15 Jahre vor | 0

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Reading a multi line string into a single string
You can read the whole contents of a file using <http://www.mathworks.com/help/matlab/ref/fileread.html |fileread|>. Then use <...

mehr als 15 Jahre vor | 0

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Can I call this plot as Contour plot?
What you're doing is called a parametric plot - x(t) against y(t) for a parameter variable t.

mehr als 15 Jahre vor | 1

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Curve fitting with no input give
Do you mean that you have data but no idea about the curve to fit? If so, there are nonparametric methods available, such as LO...

mehr als 15 Jahre vor | 0

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Converting an image with size of [X, Y, 3, double] to another image with size of [X, Y, 3, uint8]
Assuming the double image has values between 0 and 1, A2 = uint8(255*A1);

mehr als 15 Jahre vor | 0

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How to read multiple huge text files, the fastest way?
If you have to read it as ASCII, your best option is |textscan|, which will read directly into whatever numeric format you speci...

mehr als 15 Jahre vor | 0

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import tab and comma delimited dat file
I'm not sure if the formatting is exactly how it appears above, but you can probably iron out the kinks yourself. I did assume ...

mehr als 15 Jahre vor | 0

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Nonlinear regression
From the doc: "nlintool(X,y,fun,beta0) is a graphical user interface to the nlinfit function, and uses the same input arguments"...

mehr als 15 Jahre vor | 1

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Algorithm to match continuous variables
I'm not completely sure if you want just to extract a subset of data, or group all samples into a set of bins. The former you c...

mehr als 15 Jahre vor | 0

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MATLAB vs. Excel: Matlab seems to give better answer to exponential decay, anyone know why?
Excel is apparently doing a log of the y data then fitting a line. This approach is very sensitive to outliers. Change your |p...

mehr als 15 Jahre vor | 3

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mehr als 15 Jahre vor | 4

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x and y axis labels
Ah, the old LaTeX interpreter trap. Is this what you're after: xlabel('$G\bar{r}_x$','FontWeight','bold','interpreter','late...

mehr als 15 Jahre vor | 0