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Parsing Complicated text file header
If the headers are uniformly formatted, you could simplify this a bit, but this should work: fid = fopen('data.txt'); s...

mehr als 14 Jahre vor | 0

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problem with time step in ODE ?!
I don't know exactly what you're trying to do, because your code is invalid in the last line of |F10| and in your call to |ode23...

mehr als 14 Jahre vor | 0

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one time Multiple data extraction from exel files for analysis
This basically just stacks all the spreadsheets on top of each other, adding a first column with the number, into one big cell a...

mehr als 14 Jahre vor | 0

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Non linear fit
Hmm... I thought I'd answered before, but apparently not. Oh well. As the cyclist says, the very tight spike in the middle mak...

mehr als 14 Jahre vor | 0

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How do I fix a improper index matrix reference error
A few things that will help us diagnose the problem: # Format your code # Show the exact error message so that we know on wh...

mehr als 14 Jahre vor | 0

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how to label lines on a graph
How about overlaying text on the graph, next to the lines? line(x,y) % or plot(x,y) with a hold on text(max(x),max(y),n...

mehr als 14 Jahre vor | 4

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input argument is undefined
When you say "run the function", what do you mean -- you hit F5 or push the save/run button (with the "play" icon) in the Editor...

mehr als 14 Jahre vor | 0

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Predefined "Settings" in R2011b
Where and how are you trying to reload them? In 11b I get the following: >> which Settings -all Settings is a built-in met...

mehr als 14 Jahre vor | 0

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changing the X tick label
If |a| and |b| are numeric, then lbls = strcat(strtrim(cellstr(num2str(a(:)))),'-',strtrim(cellstr(num2str(b(:))))) set(...

mehr als 14 Jahre vor | 0

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Not enough input arguments
From your comment to Jan: "then run it"... If you are running it as a script then it will give this error message because |te...

mehr als 14 Jahre vor | 1

mehr als 14 Jahre vor | 0

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having one "for" loop instead of two
As Walter said, you can't loop over two variables in the same |for|-loop. So the real question is: *why* do you want to do this...

mehr als 14 Jahre vor | 1

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do not have the genetic algorithm function in the global optimization toolbox
If you're a student, then there's a pretty good chance your school has a license for Global Optim TB. You'll be constrained as ...

mehr als 14 Jahre vor | 0

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strfind issue
As Daniel says, there must be more going on. Can you copy the code directly? |strfind| returns the indices; if there are no ma...

mehr als 14 Jahre vor | 1

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mehr als 14 Jahre vor | 1

Beantwortet
Nesting loop reiterating wrong code
Nothing inside your outer loop (except the indexed assignment at the end) references the loop variable |f|, so you're doing exac...

mehr als 14 Jahre vor | 0

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How to add letters to the end of words in a string.
|strcat(wordbank,'s')|

mehr als 14 Jahre vor | 7

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loading .txt file
If you don't need individual variable names then I'd probably go with the simplest approach of data = dlmread('data.txt','',...

mehr als 14 Jahre vor | 0

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Baseball
The problem is really in the math. |fzero| can't find a zero from the given initial guess because your function has a nasty sin...

mehr als 14 Jahre vor | 0

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Jacobi Iteration into Gauss-Seidel for Linear Algebra course
Your loop in |j| is effectively |1:(i-1)| then |(i+1):n|. The difference between GS and Jacobi is whether you use |x| or |xold|...

mehr als 14 Jahre vor | 0

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Passing arguments into fsolve without using globals
1) Rewrite |myfun| to take two inputs: function Z = myfun(y,REF) ... 2) Use an anonymous function handle to make a fu...

mehr als 14 Jahre vor | 15

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how isolate?
Can you clarify your question? If you want to extract portions of |x| you can just index: x(1:5) x(6:10) x(11:15) You...

mehr als 14 Jahre vor | 0

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When to use find, loops or if?
Two things I notice in your code: # you're not using |j| to index into |rh| and |ch| -- is that intentional? # |find| is return...

mehr als 14 Jahre vor | 1

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fminbnd finding wrong minimum point, please help
Don't expect |fminbnd| to do what you'd do in a Calculus class: look for local minima in the interval and compare with the endpo...

mehr als 14 Jahre vor | 1

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Comparing two sets of coordinates
Can you please show your code? The approach you describe works in less than a second (~ 0.6) on my computer, with n = 10000. C...

mehr als 14 Jahre vor | 1

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mehr als 14 Jahre vor | 0

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Beantwortet
ode step
Do you mean something like an internal variable in the rate equations? Not exactly. But why would you need this? The ode rate...

mehr als 14 Jahre vor | 0

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Simulate a plain Call- and Put Option
It looks like there should be a function |call| that takes a bunch of inputs and returns the call price. Unless that function i...

mehr als 14 Jahre vor | 0

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Distance between elements of two matrices
I think this is what you're after. It's a bit brute-force, but I can't think of a neater, vectorized way. % Make some ma...

mehr als 14 Jahre vor | 0

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how can i plot all for loop's values
Why are you using a |for|-loop at all? These are all vectorized operations. th=-25:.1:50; fai=atand(((750+450.*sind(th)))...

mehr als 14 Jahre vor | 0