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Significant differences in execution time
Hi, in addition to Sara's comment take a look at the function timeit, that was introduced in R2013b (if you are using an olde...

約12年前 | 0

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Standalone (compiled) program reading external files
Hi, I'm not sure I fully understood the question. If you don't add the MASTER.csv during compilation, and have a call to fope...

約12年前 | 0

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How can you arrange two different push buttons with different functionality at the same location in a GUI?
Hi Ashish, do you create your GUI with GUIDE? Then it's straight forward: just put them at the same location. If you want to ...

約12年前 | 0

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Error using Matlab Compiler App (ApplicationCompiler) - Dependency Analysis
Hi Stefan, this comes from Simulink Verification and Validation, which is not supported by MATLAB Compiler, see <http://www.m...

約12年前 | 1

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Select rows given a condition
Hi Maria, you need to convert the first column into a vector firstColumn = cell2mat(A(:,1)); rows1997 = A(firstColumn==...

約12年前 | 6

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How to drop last N round-off error digits?
Hi Ilya, if you are happy with an output, then use fprintf: a=sqrt(pi); fprintf('a = %.14g\n', a) a = 1.772453850905...

約12年前 | 5

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concatenate 3 dimensional matrix in a loop
Hi, you can concatenate like follows in the loop allData(:,:,fileNr) = data; but if you "only" want to compute the me...

約12年前 | 0

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Matlab 2014a not using all logical cores
Hi, to clarify: "only 32 logical cores are being used" means you see in the task manager only 50% usage instead of the expect...

約12年前 | 0

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How to change default action of a subsystem?
Hi, do the following: * Right click on the block, select "Properties". * Select the callbacks tab. * Click on OpenFcn *...

約12年前 | 0

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****The mex file with a different prhs****
Hi, it's not the data into the mex function (they are of type double, that's fine), but it's the plhs you have wrong: you cre...

約12年前 | 1

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Run executable file created by Matlab Compiler in Java: error of MCR
Hi, my first guess would be, that in your Java program the search path from Windows is not the same, i.e., it's missing the f...

約12年前 | 0

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Plotting system of differential equations in MATLAB
Hi, if you want to solve numerically, then doc ode45 should be a good starting point ... Titus

約12年前 | 0

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MATLAB7 interface with excel
Hi, you can use the ActiveX-Interface to query Excel: x = actxserver('Excel.Application'); v = get(x, 'version') d...

約12年前 | 0

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Problem displaying 12 bit colormap, bug?
Hi, I'm not sure, if I understand correctly, but have you tried to display the image as an indexed image? Your 12 bit images,...

約12年前 | 1

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Do MATLAB worker processes run only on CPU cores and not on GPU cores?
Hi Prateek, first of all, the number of workers is not limited to the number of cores, so on a 4-core (let the GPU aside for ...

12年以上前 | 1

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How do execute a GUI's callback functions from the command line
Hi, when you open the GUI in guide, open the property inspector for some uicontrol, you will see in the property "callback" t...

12年以上前 | 0

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Trying to install .exe built using MCR 7.14 on machine with 2013b. How? From where?
Hi Clement, different MCR's can coexist on the same machine without problems. If you have the MATLAB compiler licensed, you c...

12年以上前 | 0

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Reversing a 2D lookup table using S-fuction in Simulink
Hi, inverting will be possible only if the strict monoticity is given. If this is the case, you will end up with a usual 2D-L...

12年以上前 | 0

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formal initialisation of matrix
Hi Julien, often you can use the function *meshgrid* for this... Titus

12年以上前 | 0

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Is it possible to call a function defined in a MEX file inside a code compiled into C shared library?
Hi Yoann, first of all: yes, you can call a MEX file, that should work. Some questions: - you wrote a MEX file (called svm...

12年以上前 | 1

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I can't import simulink generated shared library to visual studio
Hi, this sounds like if your Visual Studio Project is a .NET project instead of a C/C++ project ...? Titus

12年以上前 | 0

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Switching a row vector to a column vector
Hi, output using fprintf needs always to be done row wise, not column wise. So build up your data e.g. into a cell matrix and...

12年以上前 | 0

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Matlab Bulk Insert To SQL Question
Hi, you need to preprocess the data. So, use fopen/fread to read the full file (or large parts, if the file is huge) into mem...

12年以上前 | 0

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Hide gui at start and show it once it is ready
Hi Lorenzo, you created you application "by hand", i.e., using uicontrol commands? Or using guide? In the first case, as you ...

12年以上前 | 0

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Multiple Istances of Referenced Model and its Effect on S-Function Builder Block
Hi Mohammed, there are two issues here: first, to get rid of the error message. This can be done indeed by doing what the err...

12年以上前 | 0

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matlab read .dat files
Hi, there are several functions on the Fileexchange, e.g. this one: http://www.mathworks.com/matlabcentral/fileexchange/96...

12年以上前 | 0

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Export Data via fprintf printing something else besides NaN
Hi, a simple solution would be to print first into a string, process the string and then dump to the file, something like ...

12年以上前 | 1

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import dat from excel to matlab
Hi, a hint: doc xlsread Titus

12年以上前 | 0

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Confusion on Runge-Kutta method
Hi, your function f should have two inputs, namely t and X, where X is a two component vector [x, y]. Therefore your w=1 shou...

12年以上前 | 0

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Callback of uicontrol fails to execute
Hi, You are right, if you have some lengthy code/calculation, Matlab queues the execution of the callback. Add to your code (...

12年以上前 | 1

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