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using control constraints in ode45
I must be missing something subtle. It looks like your equations are essentially dydt(1) = y(2); if (f(y(1),(2),y(3)) <...

約14年 前 | 0

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How to draw a bar graph from cell array with different size length?
This will extract the values and add zeros to the end, then extract all to a matrix. But are you sure the missing values are al...

約14年 前 | 0

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Shortcut Key On Guide
For the first part, set the |KeyPressFcn| property of the GUI figure window. Enter |docsearch('figure properties')| and scroll ...

約14年 前 | 0

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merging column vectors from the loop in to a single matrix
% preallocate space x = zeros(m,n); % iterate <=> loop over columns for k = 1:n y = ... % make vector here x(...

約14年 前 | 1

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how to list functions/toolboxes required by a program
I think the answers to this question cover all the options I know of: http://www.mathworks.com/matlabcentral/answers/532-how-do-...

約14年 前 | 0

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How does getPosition work in impoly?
I'm not seeing the behavior you observe. You wrote _the "h=getPosition" function_, so I'm wondering if you're overwriting your ...

約14年 前 | 0

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xlsfinfo question
A little bit of clarification needed... From your code it appears that you have |m| directories; in any given directory there a...

約14年 前 | 0

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In an assignment A(I) = B, the number of elements in B and I must be the same.
|G| is growing in the loop, so |Pin(z)*G| is a vector (for |m >= 2|). You can't assign a vector to the single value |Pout(m)|, ...

約14年 前 | 0

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problem with saving dataset
What is the size of the variable in the workspace? (You can run |whos| to see this info.) If it's ~137 Mb then my guess is t...

約14年 前 | 0

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How to get the coordinate of this four points?
With such a clean image, you can do it pretty easily: x = imread('barcode.gif'); y = x<15; figure imagesc(y), colormap(...

約14年 前 | 1

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'legend' problem
As Junaid says, plotting all together is the nicest solution. However, if, for some reason, that isn't feasible for you, you ca...

約14年 前 | 0

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problem with slider to move the plot
You could make a slider to control the zoom level of the x-axis, if that's what you mean: t = linspace(0,10); y = t.*cos(t)...

約14年 前 | 0

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Fastest way of computing standard errors / inverting X'X
|inv| is evil -- avoid! The quickest way to do a regression is c = X\y; then you can calculate errors yourself res...

約14年 前 | 2

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with cycle, changing the content of text
Something like this? for k = 1:n figure(k) % get x and y plot(x,y) xbar = mean(x); ybar = mean(y); st...

約14年 前 | 1

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index must be a positive integer or logical.
A stem plot is for discrete time points, by its very nature. Indeed, all plots are discrete at some level. Your loop is in tim...

約14年 前 | 1

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calculation of the linear regression equation
If you have Statistics Toolbox doc regress If not, you can do it yourself (although you'll have to take care of NaNs or ...

約14年 前 | 0

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numel errors in matlab
My guess is that your line n(i,1)=(va(i,1)/3.6)*60*ik(i,1)*ie/(2*pi*rd); is resulting in an empty array on the right-hand si...

約14年 前 | 0

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converting cell of strings in arry or cell of numbers
Try |str2double(tsince)|

約14年 前 | 0

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Cell array of Cells to Cell array of Strings
Ah yes. This is a classic. data = [z_TestImport{:}]; is probably what you're looking for. The other option is to use the |...

約14年 前 | 5

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strcmp and rows of dataset table
Sounds like a job for categorical arrays! Huzzah! (Assuming you have Statistics Toolbox.) BTW, you said "dataset" but you're ...

約14年 前 | 1

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show partically blokced x-axis
Quick fix: |set(gca,'Layer','top')| Cheap'n'dirty -- that's me :)

約14年 前 | 1

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Quick question/explination Re 'movavg'
With |filter|, ignore the first n points. However, you're using the |'e'| option, which doesn't actually call filter. It uses ...

約14年 前 | 0

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In an assignment A(I) = B, the number of elements in B and I must be the same
The only likely culprit is that your global variables are not what you think they are. The right-hand side of line 18 is probab...

約14年 前 | 0

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Courier problem
Courier is a bitmap font so it doesn't rotate. The other fonts you tried are true type. Use Courier New instead.

約14年 前 | 2

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Errors in Menu program
Pretty much what it says. The line |choice = eoption;| implies that |eoption| is a function call (because it is asking for an o...

約14年 前 | 0

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Setting name of variable equal to name of imported file
If you're going to be looping on the files, you're probably doing something like x = cellstr(ls('*.xlsx')); for k = 1:le...

約14年 前 | 0

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How to create a dataset array from table?
It seems like the problem is that your data is in the form of a 3824-by-97 cell array -- ie every value is in its own cell. If,...

約14年 前 | 1

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importing data from excel, finding the last row and inserting value in a matrix
If you're already reading in the data, why not just query its size? nrows = size(cycle,1); grade = [0,0;nrows,0];

約14年 前 | 0

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Set of points to Cartesian system
You can use |cmdscale| to reconstruct coordinates from distances. You will need a further restriction to determine the location...

約14年 前 | 0

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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...

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