Answered
Problem using interp1 cubic
Hi, the plot shows that it's not a function y = f(x) and also not a function x = g(y). So you will need to move to a 2D param...

13 years ago | 1

Answered
"Find" function with 3d matrix doesn't work
Hi, the answer ans = 1.0000 instead of ans = 1 tells you the problem: the value is 1, but only rou...

13 years ago | 1

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Answered
Incorrect rgb values from image matrix
Hi, you will need to access image(250, 620, :) to see the RGB values of pixel (620, 250). You see this, when you move the mou...

13 years ago | 0

Answered
How to convert const real_T value to double ?
Hi, the function ssGetInputPortRealSignalPtrs allows Simulink to have the inputs organized in chunks. That's good for optimiz...

13 years ago | 5

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Answered
Can I use Matlab NE Builder to compile a matlab class to dll?
Hi, yes, that's right. You can't compile a class in order to have it as a class in .NET, because if you would try to pass the...

13 years ago | 0

Answered
save a three dimensional matrix
Hi, you have two options: one would be to save the individual slices for b=1:size(GP, 3) Q(:,:, b) = wtpt*GP(:,:,b)...

13 years ago | 1

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Answered
Objects won't keep member variables
Hi, the way you write the code is correct, if you have "handle-semantics". For value semantics you have to return the changed...

13 years ago | 5

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Answered
MCR and version update
Hi, does the installation of R2012a MATLAB on the second laptop also included installing the Compiler? A MATLAB installation ...

13 years ago | 0

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Answered
Why does a class created through MATLAB Builder NE throw an exception at initialization?
Hi, I would suggest to add an "On Error" handler to the code, and take a look at the error message thrown. Without the error ...

13 years ago | 1

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Answered
Real Time Workshop and building models with autocoding from the terminal window instead of MATLAB enviroment
Hi Jenniffer, I think you are looking for the command rtwbuild You can invoke MATLAB as a batch process from the ope...

13 years ago | 1

Answered
Converting a 2D nxm Array into appropriate seperate 1D Arrays
Hi, if you know the x and y values (somehow), converting the 2D matrix (which is Z I guess) to a vector would just be z ...

13 years ago | 1

Answered
plotting two columns of values data at workspace
Hi, if you want to plot them against each other: plot(xxx.signals.values(:,1), xxx.signals.values(:, 2)) Titus

13 years ago | 5

Answered
can we convert com.mathworks.toolbox.javabuilder.MWArray to java.lang.object?
Hi, this is a rather general question, so here a rather general answer: you might want to take a look at the toArray method (...

13 years ago | 0

Answered
Using mcc to compile code which calls mex files
Hi, if you look into the file "multistart_GAMS_initializer_v2_1" that (from your error message) tries to start gams: does it ...

13 years ago | 0

Answered
connecting matlab to c++ language dll
Hmm, I just took another look on your question: probably the easiest thing to do is to write a second header file just containin...

13 years ago | 0

Answered
connecting matlab to c++ language dll
Hi, did you tell MATLAB to use visual studio as well? Looks as if it uses LCC, the C compiler that comes bundled with MATLAB....

13 years ago | 0

Answered
Do an interpolation in matlab
Hi, you will need to average all values between 352 and 353. To this end use histc to find those effiently and then loop. Her...

13 years ago | 0

Answered
Matlab Pool - Multiple Machines
Hi, using the Parallel Computing Toolbox only gives access to start local workers only, i.e., on the same (physical) machine....

13 years ago | 1

Answered
Fixed-point precision, why half?
If you look at the example of 2^4: Let's take the number 1. The number 1 represents all numbers in the interval [1-0.03125, 1+0....

13 years ago | 0

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Answered
Error with function "datenum" -- only works every other time.
Hi, if you happen to have a 64 Bit MATLAB it looks as if you got trapped by this bug: http://www.mathworks.com/support/bugre...

13 years ago | 1

Answered
precision difference in matlab and gnu g++
Hi, not really: both answers are equally correct up to round off: the roundoff for the last difference is eps(rho*gamma/...

13 years ago | 0

Answered
C++ std::tr1::array
Hi Paul, you are writing a MEX file? If so, the language constructs to be understood depend on the compiler, not on MATLAB. I...

13 years ago | 0

Answered
Question about accessing data in GUIDE GUI
Hi Brian, using nested functions (the link you provided) is in my opinion and godd way, but only if you write the GUI by hand...

13 years ago | 0

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Answered
function to change name when displays
Hi, you could use the function inputname in your checkmiss function. doc inputname Titus

13 years ago | 0

Answered
mex: linker does not seem to be able to access external lib file; -l & -L options not helping
Hi, you are right, you need the -l and -L. Your call should look something like mex NI_USB_6008_AnalogInput.c -Lc:\someF...

13 years ago | 0

Answered
Calling a DLL generated by MatLab from VC
Hi, it's the last memcpy that's wrong: you should not use the datastructure norm_out, but the data of norm_out, i.e., me...

13 years ago | 0

Solved

Add more zeros
Find code that adds one 0 to each sequence of 0 in a string (composed with only 0 or 1). For example: '1010' -> '100100' ...

13 years ago

Answered
How to do plot in uniform colorization?
Hi, this is controlled by the CLim property of the axes. So does this example help? h1 = subplot(1,2,1); [X,Y,Z]=peaks;...

13 years ago | 0

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Answered
Problem with 'datevec' function ... I think a bug!
Hi, this usually happens when somewhere down the array the strings are not valid anymore. A simple way to find out: % as...

13 years ago | 0

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Answered
index must be a positive integer or logical.
Hi, it looks as if (aa-Mmin+DM)/DM is not an integer. If it should be, round would help: gg(round((aa-Mmin+DM)/...

13 years ago | 1

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