質問

What are Your Thoughts on TMW Documentation Linking to the File Exchange
Kind of similar to this Question, I noticed that the Tips section of integral3 cites this File Exchange submission as an option ...

3年以上前 | 2 件の回答 | 0

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Why am I getting different frequency responses for the same filter using bode() and fvtool()?
Hi Rinitha, Here is the design of the low pass filter fs = 500; % Sampling frequency Ts = 1/fs; fc = 100; % Cutoff frequency...

3年以上前 | 2

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Reference Frame for Forces Going into 6DOF (Euler Angles)
According to 6DOF (Euler Angles), the force inputs are the components of the net force resolved in Body Coordinates. If the "Z d...

3年以上前 | 0

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質問

What are the Pros and Cons of the RandStream Transformation Algorithms?
RandStream objects offer three choices for the transformation algorithm for computing standard normal random variates as shown o...

3年以上前 | 1 件の回答 | 0

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Manually compute LQI() gains using Algebraic Riccati Equation / Hamiltonian
Hi John, I just copy/pasted the code from the question (not the attached .m file) with some semicolons to suppress output and i...

3年以上前 | 0

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Calculating a mean matrix of a cell array
Try mean(cat(3,A{:}),3,'omitnan') The omitnan flag will ignor the nan entries in the computation of the mean.

3年以上前 | 0

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Shift and duplicate values in a data set
Couple of options M = magic(4); Z = zeros(12,4); for ii = 1:3 Z(4*(ii-1)+1:4*(ii-1)+4,:) = [zeros(4,ii-1) M(:,1:end-ii+1...

3年以上前 | 0

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Assign array in field struct
Example data Sis(1).a = 1; Sis(2).a = 2; Sis(3).a = 3; c = [30 40 50]; Assign elements of c to new field of elements of Sis...

3年以上前 | 0

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Why Does get_param(gcb,CompiledPort*) Return Weird Results for Several Object Parameters ?
Thanks to @Andy Bartlett discussion in this thread, and further review the doc, the model has to be put into compile mode before...

3年以上前 | 0

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simulation issue about Scope
Hi wenchao zhang, The Constant block, by default, has a constant sample time. For the model shown, constant sample time means t...

3年以上前 | 0

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How to declare a function as extrinsic and execute it in Simulink through Matlab Function block
Try using coder.extrinsic to declare the wrapper .m function as extrinsic in the Matlab Function block and call the java functio...

3年以上前 | 1

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Create a local system of equations function from a set of anonymous functions
One approach: equations = {'@(x1,x2)x1.^2+x2-6','@(x1,x2)-2.5.*x1+x2.^2-2'};%Set your equations N = numel(equations); f = ce...

3年以上前 | 0

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How to remove struct fields of a specific type
The function class can be used in a loop over the fieldnames to identify the fields to be removed with rmfield. s.w = int32(0);...

3年以上前 | 1

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Understanding the following step in MATLAB
The elements in symbols range from 0 - 3, but Matlab uses 1-based indexing, i.e. the indices int0 constellation can only be 1-4....

3年以上前 | 1

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Can't tell if exprnd is working correctly
Hi Umberto, I modified the code so that the actual figure of merit that is computed is the difference between the running sampl...

3年以上前 | 0

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Andrews plot function for multivariate control chart limits UCL and LCL
Brute force approach ... Use symbolic for illustration syms theta p = 5; A = reshape([sin((1:p)*theta) ; cos((1:p)*theta)],1...

3年以上前 | 0

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varagin with original var names
inputname can be used to return the name of the variable in the calling workspace as a character vector, at least for simple cal...

3年以上前 | 1

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質問

Is Matlab consistently and correctly handling symbolic expressions that include a dirac function applied at a point of discontinuity?
Is Matlab consistently and correctly handling symbolic expressions that include a dirac function applied at a point of discontin...

3年以上前 | 1 件の回答 | 0

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Matlab's numeric solution to det of Matrix is incorrect
Hi ThanosST, Are you sure the expressions in B are entered correctly? Asking because it sure looks like L = 3.9407 is the solu...

3年以上前 | 0

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Cauchy integral theorem vs. integral formula
Hi Luqman, The numerical integration is using a step size that is proably too large to capture the rapid variation in the integ...

3年以上前 | 1

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Integral and inverse integral
The attachment convolution.jpg is confusing. Equation (15) defines Pf(x) as a convolution. But the unnumbered equation in the ri...

3年以上前 | 1

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Euler's identity with angle in degrees
If the input is given in degrees, consider writing your own function using cosd and sind for accurate results at the 90 deg inte...

3年以上前 | 1

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MATLAB code to SIMULINK block ?
One way to get started may be to wrap the ultrasonic sensor code in a function, and call that function from a Simulink MatlabFun...

3年以上前 | 0

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Convolution of function on a non symmetric axis using 'conv'
Hi MMG1 It looks like the code is using the convolution sum to approximate a convolution integral. Is that correct? If so, my c...

3年以上前 | 1

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How to Convert a 3D Matrix into Cell Array of Desire Dimension
A = rand(2,100,500); % example data C = squeeze(num2cell(A,[1 2])); % create cell array whos C isequal(cat(3,C{:}),A) % veri...

3年以上前 | 1

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Matlab giving error for tall array assignment
The code doesn't define a variable named grid. It's getting confused with the function grid

3年以上前 | 1

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How to calculate a double integral with a subfunction?
Hi Dewen Yu, As the error message indicated, the function pattern_element needs to use element-wise math operations to compute ...

3年以上前 | 2

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polar motion seems to be reversely applied to the function "ecef2eci."
Hi Jeongin Yun, Quoting from the question, with emphasis added: "In order to transformate coordinate eci to ecef, it should ro...

3年以上前 | 0

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Insert number in structure array
Hi Chad, If possible, consider changing the structure of your data to arrays that can be indexed, instead of field names that c...

3年以上前 | 0

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how to set a lowpass filter in simulink?
Hi moh mor, The error message from the Lowpass Filter block sounds bit misleading. If you look on the doc page, it says that t...

3年以上前 | 1