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Applying a gain to a bus while preserving the signal name assignments
I doubt that signal names can propagate through a Gain - Multiply input by constant - Simulink block. That block is not listed a...
ein Tag vor | 0
unwrapped phase in bode plot
If using bodeplot to make the plot, then use the plotoptions returned from bodeoptions with PhaseWrapping 'on', For example h ...
8 Tage vor | 0
How to Plot Phase Response of Discrete Time Fourier Transform (DTFT)?
Not doing anything wrong. The DTFT of a real, even signal is real and even, but that doesn't mean the DTFT is everywhere positiv...
8 Tage vor | 0
How do you get the DTFT from the FFT?
Yes, the blog post by @Steve Eddins is accurate. As to why zero-padding works ... Let x[n] be a discrete-time signal. Its Disc...
8 Tage vor | 0
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Discussion
The Ran In Info is Not Updated to R2026b
The Ran In tag still shows R2026a on Answers and Discussions (as does the Executing In popup), even though both are actually run...
20 Tage vor | 0
convolution integral of two continious time signals
Because the signals in question are functions of n, and n typically denotes an integer, we can assume the question is really abo...
21 Tage vor | 0
Frage
Is There Any Practical Difference Between Extraction and Deletion When Reducing a Vector?
By extraction, I mean % x = x(indexkeep); By deletion, I mean % x(indexdelete) = [] Is there any practical difference betw...
27 Tage vor | 2 Antworten | 2
2
AntwortenPlotting the convolution of two signals
Define the signals and plot them syms t tau real u(t) = heaviside(t); x(t) = 5*(u(t+1)-u(t-1)); h(t) = u(t-1) - u(t-7); fig...
etwa ein Monat vor | 0
Frage
Is it More Efficient to Load a Subset of Variables from a .mat File Rather than All of the Variables?
Suppose I have a .mat file and an application that only needs to use a subset of the variables in the .mat file. Option 1: s =...
etwa ein Monat vor | 4 Antworten | 1
4
AntwortenHelp with tfest function. Resulting transfer function deviates from input on either side of freq range.
Hi Jared, Maybe look into the WeightingFilter opton of tfestOptions. I tried with 'inv' below and seemed to get a result more i...
etwa ein Monat vor | 0
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Frage
Is rowfun Showing Strange Behavior when the Target Function Returns an Empty Output?
Define a function that echos a scalar input, unless the input is 3, which returns an empty row vector 1x0. function y = fun1(x)...
etwa ein Monat vor | 2 Antworten | 3
2
AntwortenProblem making it past line 8 - no error given
It's probably just taking a very long time to compute the symbolic solution at each value of trange. One option, shown below, is...
etwa 2 Monate vor | 0
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Does anyone know why no matter what I change, I cant get dsolve to work?
It works just fine here in R2026a and worked fine in 2024a. As well. When you run the code,do you get the exact same output as ...
etwa 2 Monate vor | 0
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Frage
How Does Symbolic Math Toolbox Define Differentiation of a Complex Function?
The doc page diff - Differentiate symbolic expression or function - MATLAB is essentially silent on how diff handles differentia...
etwa 2 Monate vor | 2 Antworten | 1
2
AntwortenFrage
Why Does sym(cell) Not Return a Cell?
As far as I can tell, there is no documented behavior for calling sym with single input that's a cell. Nevertheless, if doing so...
etwa 2 Monate vor | 1 Antwort | 0
1
AntwortFrage
Can Same Commands in Debugger and Command Window Exhibit Different Behavior?
I was debugging what I'm pretty sure is a bug (or at least an inconsistency) in @doc:subs and came across a behavior that I don'...
etwa 2 Monate vor | 1 Antwort | 1
1
Antworthow to implement a non-causal system?
In general (but not always), causality of a linear, time invariant (LTI) system cannot be determined by inspection of the diffe...
2 Monate vor | 0
Frage
How Can Short-Circuiting Logical Operators &&, II be Overloaded in a Classdef?
Logical and - Find logical AND - MATLAB and logical or - Find logical OR - MATLAB can be overloaded for classes with functions "...
2 Monate vor | 1 Antwort | 1
1
Antwortanonymous function with rng call inside
t = 2*(rand(1,1000)-0.5)*100; figure plot(t,f(t,10),'b.',t,f(t,10),'r.') function y = f(t,interval) tinterval = ceil(t/in...
2 Monate vor | 0
Find symbolic solution with intermediate variables of a cubic equation
Check the "AbbreviateOutput" setting of sympref
2 Monate vor | 0
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Importing space-delimited files where there are spaces in data fields
T = readtable('timing_log.96278.txt',NumHeaderLines=4,VariableNamesLine=3); T(end-1:end,:) = []; T.description = strtrim(strin...
2 Monate vor | 1
Two sided laplace transform
No, there is not, at least not directly. However, the two-sided Laplace transform of f(t) can be developed by expressing f(t) ...
3 Monate vor | 0
Frage
Is There a Way to Control Which Folders are Stored in the Drop Down History?
I have a workflow on Linux that needs to do lots of file i/o that goes something like this: 1. Store the originating folder wit...
3 Monate vor | 1 Antwort | 0
1
AntwortPossibility of Using a State-Space Actuator in a Robot Created with Simscape Multibody
Without more info ... I'm pretty sure the answer is yes. The output of the State Space block can be sent into the Simscape Multi...
3 Monate vor | 0
Why I do not see the correct transfer function
Hi Zeyuan, Is G1 defined correctly? If it is, or if stil having trouble after correcting it, it would be easier to help with a...
4 Monate vor | 0
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Frage
Why is vecnorm So Slow?
Why is vecnorm so much slower than the raw calculation and why does such difference increase as the input gets larger. I can see...
4 Monate vor | 1 Antwort | 0
1
AntwortFrage
Does solve Return an Appropriate Solution for a System of Rational Equations?
Consider a system of equations with LHS being rational functions in two variables. syms x y g = (x-1)/(y-2) == 0; h = (y-2)/(...
4 Monate vor | 0 Antworten | 2
0
AntwortenHelp using the toeplitz function
"-2 going to down the main diagonal and then 1 in the upper dioagonal and 1 in the lower diagonal." That's symmetric so only on...
5 Monate vor | 1
List all memoized function caches
mf1 = memoize(@func1); mf2 = memoize(@func2); for ii = 1:10,mf1(ii);mf2(ii);end clear mf1 mf2 mfs = struct(matlab.lang.inter...
5 Monate vor | 1
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List all memoized function caches
Hi Matt, Is evalin acceptable? clearvars clearAllMemoizedCaches; mf1a = memoize(@func1); mf1b = memoize(@func1); mf2 = me...
5 Monate vor | 0
