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issue creating loop with matrix multiplication
What are you trying to save out of the loop? If you want to save the RotAll for each element of heading, pitch and roll, do: ...

13 years ago | 0

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getting error: Undefined function 'ge' for input arguments of type 'cell'.
target=0.2; vi=cellfun(@(x) x>=target,data(:,63)); data(vi,:); data3 = data(vi,:);

13 years ago | 0

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Answered
Why doesn't this program work?
I don't see the problem?? The code appears to behave exactly how it is programmed. The one thing I think stands out is the com...

13 years ago | 1

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Answered
How to convert a string of characters to numbers?
str = '1 0.013 0.0156 -0.104 0.0376 0.0624 0.132 0.132 Bla'; T = regexp(str,'-*\d*\.*\d*','match'); V = cellfun(@str2d...

13 years ago | 0

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Answered
fsolve does not work when combining functions
Why won't this work? sumf = @(k) f1(k(1))+f2(k(2))+f3(k(3)); sumf([1 2 3].') fsolve(sumf,[3;1;2])

13 years ago | 0

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Answered
Anyone know how to input a string into a for loop?
You should use a cell array instead of a character array: temp1 = {'1991/05/19 13:00:00','1991/07/19 13:00:00'}; t...

13 years ago | 0

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Help with GUI Table
This creates a table. Once it is created, edit some of the cells until you are content. T = uitable('data',magic(3),'colum...

13 years ago | 0

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Answered
Replacing parts of a matrix randomly
Before your loop define: X = [3 4 5 7 8 9]; Then when to pick your b, simply do this: b = X(randi(6,1,1)); Thus ...

13 years ago | 0

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Uitable column with popupmenu format returns NaNs rather than selection
Try this out: fmt = {'A' 'B' 'C' 'D'}; uitable('Data',{'A';'A'},... 'ColumnEditable',true(1,2),... ...

13 years ago | 1

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Answered
intersection of two tables question
A(all(~cellfun('isempty',B),2),:)

13 years ago | 0

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Quick vectorization question (for loop)
I hope you are pre-allocating your mstd vector. Other than that, this is about 6 times faster. I didn't compare to stdfilt. ...

13 years ago | 1

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how to rotate x-ticklabel for date?
Did you forget to download the function and put it in a folder that is on your path? <http://www.mathworks.com/matlabcentral/...

13 years ago | 1

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How to use ISNAN function?
A = [3 nan 4]; isnan(A) Are you wanting to check whether i+2 or 11 is a nan? Well we know that 11 is not a nan, so let'...

13 years ago | 2

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Is randperm() consistent under different hardware platform, OS, MATLAB versions?
Let's test it out! What do you get? Post in a comment... % r2011b, Windows 7, 64bit maxNumCompThreads=4 rng(678) ...

13 years ago | 0

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Error: Undefined function 'plus' for input arguments of type 'cell'
You cannot add cell arrays, just as the error states. Cell arrays are a little different than numerical arrays, and you need to...

13 years ago | 2

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Answered
Read blank row as 0
Blank rows are read as nans with xlsread. So use N(isnan(N))=0

13 years ago | 1

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Explicit integral could not be found.
Are you sure about those limits? Here is how one would ordinarily solve such a problem numerically. Note I use limits 1-y an...

13 years ago | 0

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How to construct a table with several matrices
The closest you can come is to put each element of each Sigma into the items in a popup. Sigma1 = [1 0.5; 0.5 1]; Si...

13 years ago | 0

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All possible combinations (subgroups vary in size) of elements in a vector
This might be what you are looking for: <http://www.mathworks.com/matlabcentral/fileexchange/24185-partitions partitions> ...

13 years ago | 1

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Answered
Assigning a value to a new iterate and keeping track of iterate numbers.
Don't program this way! Your code will be easy to break, hard to debug and slow. Use Cell arrays or structures instead. <h...

13 years ago | 0

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Can I return the values generated in the 'if'?
What loop? An IF statement is not a loop. Are you saying that you want to find out what x is passed to TestFunction by Run_Tes...

13 years ago | 0

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How to access the subfield of the variable(field type) stored in the array
This is not the way to store them in a structure. Instead you could do this: save('myvars') clear A = load('myvars...

13 years ago | 0

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Double integration problem (can not use symbolic math tool box)
You have a couple of errors. One is you didn't define the base recursion functions to be functions but doubles - this is where ...

13 years ago | 0

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My goal is to find how many times the iteration takes to have a tolerance of 10^-5 where g(x)=x
You need to switch the order of assignment of x0 and x1 inside the loop. You first define x1, then say x0=x1. So the differenc...

13 years ago | 0

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How to start using the Data Acquisition Toolbox?
What does this return: daq.getVendors

13 years ago | 1

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can any one solve the Integration of following expression?
Do you have the symbolic toolbox? If not, use the <http://integrals.wolfram.com/index.jsp online integrator> from Mathemati...

13 years ago | 1

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Distribute the subplots to two different figures
% First the subplots figure s(1) = subplot(1,2,1); plot(1:10) s(2) = subplot(1,2,2); ezplot('x.^2') % Now mo...

13 years ago | 1

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Generating random variables from normal distribution
A <http://mathworld.wolfram.com/NormalDistribution.html normal distribution> is defined that way. A normal distribution has num...

13 years ago | 0

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Answered
Problem with uiwait and uiresume
You need to update the structure with the GUIDATA function. guidata(gcbf,handles)

13 years ago | 0

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How to make integral of Hankel function at infinite?
This one is easy. Because: besselh(1,0,x) % Zero for all x. we know the integral from 0 to inf is 0.

13 years ago | 0