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Titus Edelhofer


MathWorks

1,017 2011 年以降の合計貢献数

MATLAB user since 1992 and working for MathWorks since 2001.
Consulting Manager in Germany.

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Convert a structure into a string
Convert the contents of each fields into a string. Example with an input structure s with 2 fields : s.age = '33' s....

4ヶ月 前

解決済み


Piecewise linear interpolation
Given an Mx2 vector and a row of M-1 integers, output a two column vector that linearly interpolates Y times between each succes...

4ヶ月 前

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How can I round double-values down in a Matlab function block in Simulink?
Hi, strange: floor should indeed be your friend. The only thing I can imagine is that leftover_seconds is not a double but an...

4ヶ月 前 | 0

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How can i modify a model automatically which uses an excel file as an input when this excel file is modified (checksum is modified) ?
Hi Lamjed, does the entire Simulink model needs to be changed or only a block? If it's only a block you could mask the block an...

4ヶ月 前 | 0

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unresolved external symbol error, while building in Visual Studio code made by coder.
Hi Sara, just to be sure: did you specify the dll as external reference, as described in the doc in "Specify External Depende...

4ヶ月 前 | 0

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How to check a function input to be ptcloud object?
Hi Philipp, probably you are looking for the function "isa": function myfun(x) if ~isa(x, 'ptCloud') error('Input argume...

4ヶ月 前 | 1

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How to execute multiple optimized values for x according to n, using fmincon
Hi, there are a couple of things I don't understand: you say "x is a vector"? But you always start with x0=initial_guess, whi...

4ヶ月 前 | 0

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'fwrite' does not write 'char' variables in binary files
Hi, I'm not really sure if this is not working as it should. If you do the following: fid = fopen('foo.bin', 'wb'); fwrite(fi...

6ヶ月 前 | 1

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How to plot xml file in matlab?
Hi, I guess you need to be a little more specific. The answer to your question is Read the xml file (e.g. using xmlread) Plot...

6ヶ月 前 | 0

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How to Execute Maltab Function Block Every X Seconds in Simulink?
Hi Andrew, you can achieve this by assigning a sample time: right click on the block, choose "Block Parameters (Subsystem)", ...

10ヶ月 前 | 0

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plot-editing functionality does not exist in deployed apps
Hi, you can get some of the tools (zoom, pan) through using web figures, see e.g. here. Regards, Titus

10ヶ月 前 | 1

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S Function Builder - To implement existing C code
Hi Ravikiran, usually (as long as your working C code has no states) you simply put it into the "outputs" function of the S-f...

12ヶ月 前 | 0

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How to use 'mbuild' command to generate C/C++ dll ?
This has changed with R2014a, see <https://de.mathworks.com/matlabcentral/answers/128890-how-can-i-use-mbuild-to-compile-a-share...

12ヶ月 前 | 0

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I want to know whether the Microsoft Access databases are not recognized by MATLAB R 2015b?
Hi, one problem might be the version you have: could it be that your R2009a was 32 Bit whereas your R2015b is 64Bit? In this ...

約1年 前 | 1

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How to fix index in a parfoor loop?
Hi Andreu, agreed, it looks as if this case could be handled. But it is fairly easy to work around this by separating the inn...

約1年 前 | 1

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How to rename several several .mat in a file with rename
Hi Solene, this should work names = {'Health', 'Practice', 'Taste', 'Test'}; for iName = 1:numel(names) for iFil...

約1年 前 | 1

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what is the difference between data store memory and goto-from blocks ?
Hi Noufal, the main difference is, that data store memory and read/write remove the dependency between reading and writing, i...

約1年 前 | 1

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Error in Integrator is not finite
Hi Mostafa, interesting that the error happens at time 4.0. This could indicate, that indeed something happens in your model ...

約1年 前 | 0

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why the output of randn is different between serial and parallel loop if using function of RNG
Hi, interesting. There was one thing missing, namely, that the workers might use a different algorithm (designed to be for th...

約1年 前 | 0

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How can I create a best fit polynomial for my data?
Hi Syed, if I assume you have three (column) vectors x, y and Efficiency, then it's simply a linear regression problem: ...

約1年 前 | 1

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Use Parfor to split a 4D matrix into several 3D matrices
Hi, I agree with OCDER: parfor will only do huge memory movements from the Client to the workers but I doubt you will get muc...

約1年 前 | 0

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why the output of randn is different between serial and parallel loop if using function of RNG
Hi, the idea why the parallel rng gives different answers is, that a common use case is for Monte Carlo simulations with e.g....

約1年 前 | 0

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Making an executable with input arguments using codegen
Hi, it's probably not a question of the code generation but your main file: you compile to an executable, so probably your co...

約1年 前 | 0

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How to delete rows from a cell array that do not satisfy a certain condition?
Hi, things get much easier, if you use arrays instead of individual variable names: % combine names and scores into a ta...

約1年 前 | 2

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Graph plotting of dy by dx
Hi Kabit, if you have only the data (I assume a time vector and the corresponding values), the simplest is to use the functio...

約1年 前 | 0

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S-Function String Parameter C++
Hi Nils, I didn't take a look into the zip file but could it be that you did the same mistake as I, namely, really passing a ...

約1年 前 | 0

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Changing file directories under C:\Program Files
Hi, when you open the desktop shortcut properties you should be able to set the "working folder" to the folder you like. Then...

約1年 前 | 0

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difference in ode45 and rk4 code
Hi Debashis, I think there is a misunderstanding: ode45 uses the result from the 5th order RK method for the solution, wherea...

約1年 前 | 1

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Is it possible to create a UI around MATLAB functions in C++?
Hi Ivan, there are several possibilities: you can use <https://uk.mathworks.com/products/matlab-compiler-sdk.html MATLAB Comp...

約1年 前 | 0

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Matrix dimensions and unbalanced bracket problem
Hi Jeff, I would rather use indexing instead of multiplication, something like u = zeros(size(t)); % first 2 micros...

約1年 前 | 0

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