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**Feeds**

matlab file size

out = dir('file.mat') contains also the size.

bijna 13 jaar ago | 0

| accepted

summation of diffrent lengths in vector

I would do this with some logical indexing magic. a=[0.0 0.0 0.3 0.4 0.5 0.0 0.0 0.0 0.0 1.0 1.1]; step = 0.1; tmp = a>0;...

bijna 13 jaar ago | 0

| accepted

Question

problem with dashed and dotted lines in png output

Hi, I'm producing many plots as png for presentation (mainly because pdfs act a bit weird when inserted into ms office - and for...

bijna 13 jaar ago | 2 answers | 0

### 2

answersSpace key stops working

*Update* It just happened again. Came back from coffee break - and just blinking. Directly before I was changing the window...

bijna 13 jaar ago | 0

Fibonacci and Golden Ratio

Actually the Golden Ratio is exactly: ( 1 + sqrt(5) ) / 2 so no need for iteration. Proof is easy through z-transform....

bijna 13 jaar ago | 1

An easy question from a beginner....the solving of this equation

Have a look at fzero. help fzero You can easily modify your equation to the one in the example.

ongeveer 13 jaar ago | 1

Find a round pattern in an image

Sounds like a textbook example for hough transform. Look at: <http://en.wikipedia.org/wiki/Hough_transform> Especially scrol...

ongeveer 13 jaar ago | 1

Question

Is there an easy way to localize an output (set the language)

Mostly I keep my output in english - but quite often I'm asked to produce tables and plots in german. Till now I was changing...

ongeveer 13 jaar ago | 1 answer | 0

### 1

answerdata correction

well in some way you will have to use isnan. You could use |bwconncomp| to find "lonely" Nans. Like in this example: %% creat...

ongeveer 13 jaar ago | 1

Question

Space key stops working

Hi, This happens to me about once every two weeks and so far I do not know how to reproduce the error. So maybe you have sugges...

ongeveer 13 jaar ago | 2 answers | 0

### 2

answersselecting random

If you want with laying back you could get random indices with: ind = randi(1e6,1e4,1); xout = x(ind);

ongeveer 13 jaar ago | 0

Figure settings

I wrote <http://www.mathworks.com/matlabcentral/fileexchange/31477-fixes-to-print-huge-plots-as-png> to solve a similar problem ...

ongeveer 13 jaar ago | 1

Matlab Runs Slower during each consecutive iteration

One thing that happens often to me is that I forget to close invisible windows. (created by figure('visible','off') ) maybe t...

ongeveer 13 jaar ago | 1

setting up code to run matrix of parameter values

I would do that by nested for loops: global F_1 F_2 R_R1 R_R2 V_1 V_2 global equil datamat = []; for F_1 = [0.25 0.5 1.25 2.5...

ongeveer 13 jaar ago | 0

Interfacing With External Program

On a similar problem I used the program expect to talk to the "bad" program for me. Say as mediator. (manual is at eg <http://ww...

ongeveer 13 jaar ago | 0

problem of DOS window

Maybe the predefined commands will suffice. |msgbox| and |dialog| come to mind.

ongeveer 13 jaar ago | 0

database toolbox - sql query problems

seems the string's not valid. did you try replacing the apostrophes with ''(2 apostrophes) or " ?

ongeveer 13 jaar ago | 0

Equation resolution

I also only see the trivial solution C(z,t) = 0 But let me take some notes and see if a something more general is possible. Le...

ongeveer 13 jaar ago | 0

| accepted

toString function (trying to write a function that takes a cell array expression and returns a string)

looks you are nearly done. All I notice is that you always call the toString in all cases but the one with 'Num'. This means i...

ongeveer 13 jaar ago | 0

Time Series Forecasting

The system identification toolbox comes with the command |pem| which can construct a state spcae model through "prediction error...

ongeveer 13 jaar ago | 0

periodic functions

I would write it as function: function y = myfun(x,x1) %definition of function xx = mod(x,1); % remainder to start of period ...

ongeveer 13 jaar ago | 0

Do you suffer from keyboard latency in this forum?

Such a behaviour I experience only when working through remote desktop. What browser are you using? On a related matter - ...

meer dan 13 jaar ago | 1

nice boxes for great linewidths

hmmm the boxes idea looks clear. Though I'm a bit anxious about it since it might have some side effects on the other graphics I...

meer dan 13 jaar ago | 1

| accepted

Question

nice boxes for great linewidths

Hi, I'm producing lots of boxplots for a collegue of mine. He needs them with a very big line width (for poster or so, and in...

meer dan 13 jaar ago | 3 answers | 0

### 3

answersExtracting data from a cell format

You can do the splitting with regexp. It will look like: out = regexp(in , '([.0-9]+) (.*)','tokens') This will give ...

meer dan 13 jaar ago | 0

Reading a string to get required data

Personally I don't remove the "html jargon" in such cases. I use regexps like: table_lines = regexp(table,'<tr [^>]*>(.*?)</t...

meer dan 13 jaar ago | 0