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Jan Siegmund


Last seen: 3 years 前 |  自 2020 起处于活动状态

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已回答
Suppress Command Window Output using SYSTEM command
The accepted answer unfortunately is OS specific. A MATLAB only solution would be: [returncode, outputMessages] = system('xfoil...

3 years 前 | 2

已回答
How do I use a class property validation function with a dynamic argument?
The problem is, that MATLAB classes only support constant arguments on property validation. However function arguments can be v...

4 years 前 | 0

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How do I use a class property validation function with a dynamic argument?
In Matlab OOP, I wanna use a function like mustBeEqualSize(a,b) from the Examples on function property validation to validate a ...

4 years 前 | 1 个回答 | 0

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Efficient number occurence count
I want to efficiently count the number of occurences of numbers between 1-numel(num) in a Matrix. I came up with two options for...

4 years 前 | 3 个回答 | 1

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已回答
How to put cell array in sprintf?
If using multiple different cells: %% Edited % var = {'a','b','c','d','e'}; % num = {1,2,3,4,5}; % s = strjoin(cellfun(@(v...

4 years 前 | 0

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How to indicate that GUI is busy running?
Users that looked for a waitbar style solution should have a look at https://de.mathworks.com/help/matlab/ref/uiprogressdlg.html...

4 years 前 | 0

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How to support default parameter in MATLAB FUNCTION ?
The Answers are not up to date. Modern MATLAB supports the arguments Block: function out = foo(in) arguments in(1...

4 years 前 | 21

已回答
Multiple numerics as one map key / Merge Objects based on parameters
The only keytype which can hold two doubles is the character key type. So one may use char as key type and then simply function...

4 years 前 | 0

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Multiple numerics as one map key / Merge Objects based on parameters
I want to use two numerics as a single key for a map to merge similar objects of a class. How can I do that? My class looks lik...

4 years 前 | 1 个回答 | 0

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已回答
How do I convert a numerical vector into a comma-delimited string?
Here is another oneliner: strjoin(cellstr(num2str(n')),',') Testing all four types with a script n = randi(100,[1 100]); tic...

4 years 前 | 4

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How do I limit the values in an array?
There is also a matlab function doing this: A = min(A,1); It takes A if A is the minimum of the two and 1 if 1 is the minimum ...

4 years 前 | 2

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How to create a checkerboard matrix without inbuilt function.
For an even sized checkerboard: rows = 6; cols = 4; normal = repmat(eye(2,'logical'),[rows/2 cols/2]); % or inverted = repm...

4 years 前 | 0

已回答
How to write an efficient overloaded subsasgn?
I may have a solution but do not know if this covers all cases: classdef Subsasgntest properties val e...

4 years 前 | 0

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How to write an efficient overloaded subsasgn?
I want to write a class which defines subsasgn. The class holds a numeric value val and the subsasgn should target val only. I ...

4 years 前 | 1 个回答 | 1

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已回答
combine columns with different lengths to create a matrix
If the input data is a cell array of column vectors, you might consider this: a = {ones(5,1) ones(8,1)}; %test data len = ma...

4 years 前 | 1

已回答
horzcat different size rows; zero padding
If the input data is a cell array of column vectors, you might consider this: a = {ones(5,1) ones(8,1)}; %test data len = max(...

4 years 前 | 0

已回答
Regex: How do I match an empty string?
Use regexp(a,'^$','emptymatch')

4 years 前 | 0

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Regex: How do I match an empty string?
Consider the following string: a = ''; How can I match it using regexp?

4 years 前 | 1 个回答 | 0

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Override subsasgn of MATLABs double?
Consider the following statement: x = [1 2;3 4]; y = myclass([5 6]); x(1:2) = y MATLABs default behavior is: x(1:2) = ... r...

4 years 前 | 2 个回答 | 0

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Does MATLAB call the double constructor on a=a+1?
I want to overload the double class and add some properties to it. And i also have to override the plus function. A similar cod...

4 years 前 | 1 个回答 | 0

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已回答
[Fixed Point Converter] 1000 bit fraction length at 2^x if x is loaded from .mat file?
A temporary fix is using bitsll as recommended here: For efficient HDL code generation, use the Fixed-Point Designer ...

4 years 前 | 0

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[Fixed Point Converter] 1000 bit fraction length at 2^x if x is loaded from .mat file?
I got a problem with code like this in the fixed-point converter: dut_tb.m dut(8); dut.m function out = dut(in) S = cod...

4 years 前 | 2 个回答 | 0

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[HDL Coder] Ridiculous RAM usage + How to activate parallel processing?
This memory usage is not sane and it is the result of not properly optimized MATLAB code for HDL conversion. I tried to run code...

4 years 前 | 1

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已回答
Odd and even numbers
Fancy answer: m = [1 2 3;4 5 6]; isodd = bitget(m,1) however this is slower as rem

4 years 前 | 0

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[HDL Coder] Bug: Fixed point converter does not descend into System Objects
Can I somehow tell the fixed point converter to explicitly convert a certain function? This would temporarily fix the following ...

4 years 前 | 1 个回答 | 0

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[HDL Coder] Ridiculous RAM usage + How to activate parallel processing?
On my project, the HDL Coder uses ridiculus amounts of RAM. On my 8GB Windows 10 Notebook, it chews through it until after 3min ...

4 years 前 | 1 个回答 | 0

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已回答
[Coder] Which types are supported for constant folding?
I did understand constant folding wrong: I thought one must help the coder as follows: a = coder.const(my_prod(3,2)); , becau...

4 years 前 | 0

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已回答
Fixed point converter: Ignore code part.
Ignoring a code part in fixed point converter is currenty(R2019b) not supported. Comment out the section as a temporary fix.

4 years 前 | 0

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已回答
[HDL Coder]: BUG?/ Function Location missing in Error Report -> find variable by name?
As long a the location of error lines is not shown correctly in MATLAB HDL Coder, assign the top function call as a var = cod...

4 years 前 | 0

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提问


[HDL Coder]: BUG?/ Function Location missing in Error Report -> find variable by name?
In HDL Coder, I want to locate, where errors are occuring. But the HTML Report just gives me the Error Location in the top comp...

4 years 前 | 3 个回答 | 0

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