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Can this symbolic expression be simplified anymore?
"In terms of simplifying, you could flip upside down to get rid of the one/over." Can try using numden, though the result might...
Can this symbolic expression be simplified anymore?
"In terms of simplifying, you could flip upside down to get rid of the one/over." Can try using numden, though the result might...
2 days 前 | 0
提问
Is the Order of Function Evaluation Guaranteed when Function Outputs are Concatenated into an an Array?
Suppose I call two functions within concatenation into an array A = [ones(1,2),zeros(1,2)] In this case, the order in which on...
4 days 前 | 2 个回答 | 1
2
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How do I perform a proper FFT of a gated segment of a time domain waveform with a logmag amplitude?
Generate a 512-point reference signal in the time domain Ts0 = 0.01; Fs0 = 1/Ts0; N0 = 512; n0 = 0:N0-1; t0 = n0*Ts0; y0 =...
How do I perform a proper FFT of a gated segment of a time domain waveform with a logmag amplitude?
Generate a 512-point reference signal in the time domain Ts0 = 0.01; Fs0 = 1/Ts0; N0 = 512; n0 = 0:N0-1; t0 = n0*Ts0; y0 =...
5 days 前 | 0
| 已接受
已回答
Find the transfer function of a differential equation symbolically
The function isolate comes in handy for this type of problem. syms u(t) y(t) dydt(t) t s Y(s) U(s) y0 dydt0 u0 omega_n z K % S...
Find the transfer function of a differential equation symbolically
The function isolate comes in handy for this type of problem. syms u(t) y(t) dydt(t) t s Y(s) U(s) y0 dydt0 u0 omega_n z K % S...
9 days 前 | 1
已回答
Comment utiliser les transformées de Laplace ? How to use Laplace transforms
Hi Gilles, The documentation provides a detailed example at Solve Differential Equations of RLC Circuit Using Laplace Transform...
Comment utiliser les transformées de Laplace ? How to use Laplace transforms
Hi Gilles, The documentation provides a detailed example at Solve Differential Equations of RLC Circuit Using Laplace Transform...
9 days 前 | 0
提问
How Does interp1 Work if the Sample Points are not Monotonic?
Forever I've thought that the sample points input to @doc:interp1 have to be distinct AND monotonic. But I just saw on the doc p...
17 days 前 | 1 个回答 | 0
1
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Linear interpolation with interp1 is slow: How to improve run times?
Hi Alessandro, The base version of interp1 is an ordinary m-file, so you can see all of the extra processing it needs to do to ...
Linear interpolation with interp1 is slow: How to improve run times?
Hi Alessandro, The base version of interp1 is an ordinary m-file, so you can see all of the extra processing it needs to do to ...
17 days 前 | 3
| 已接受
提问
Is this Application of Leibniz Rule in Symbolic Math Toolbox Incorrect?
Referring to Leibniz Integral Rule: Verify R2025b matlabRelease Define some functions syms t x syms f_1(x) f_2(x) g(t) Cas...
20 days 前 | 0 个回答 | 0
0
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Trouble with Interp2
Hi Peter, I think the arguments to interp2 are backwards, but there are some other considerations Ir_10nm_Cr_10nm= [... 0....
Trouble with Interp2
Hi Peter, I think the arguments to interp2 are backwards, but there are some other considerations Ir_10nm_Cr_10nm= [... 0....
20 days 前 | 0
| 已接受
已回答
"diff" function doesn't work properly with small numbers
The data in gora and dol are on the plot as can be seen below when using markers. However, if the y-data pattern is increasing-...
"diff" function doesn't work properly with small numbers
The data in gora and dol are on the plot as can be seen below when using markers. However, if the y-data pattern is increasing-...
21 days 前 | 1
| 已接受
Discussion
Use of AI to Generate Matlab Code
Inspired in part by Christmas Trees, I'm curious about people's experience using AI to generate Matlab code. 1. Do you use AI t...
22 days 前 | 0
已回答
Can I use imported from matlab workspace matrix in simulink function block?
Assuming the intent is to implement this function in a Matlab Function block, then see Use Data in Multiple MATLAB Function Blo...
Can I use imported from matlab workspace matrix in simulink function block?
Assuming the intent is to implement this function in a Matlab Function block, then see Use Data in Multiple MATLAB Function Blo...
1 month 前 | 0
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how do I change the abscissa (x -axis) of a cosine wave plot to show degrees
Change the plot command so that the independent variables are in deg. Or define x in terms of deg and then use cosd to compute y...
how do I change the abscissa (x -axis) of a cosine wave plot to show degrees
Change the plot command so that the independent variables are in deg. Or define x in terms of deg and then use cosd to compute y...
1 month 前 | 0
| 已接受
提问
Is There an Inconsistency with How Unassigned Values are Filled After an Assignment into a Table?
Create an empty table T = table; Assign a string value to the third row a new variable T.string(3) = "abc" The values in row...
1 month 前 | 2 个回答 | 1
2
个回答已回答
convolution integral with ode45
If c(t) has a Laplace transform then we can take advantage of the convolution property and convert to the s-domain, solve for U(...
convolution integral with ode45
If c(t) has a Laplace transform then we can take advantage of the convolution property and convert to the s-domain, solve for U(...
1 month 前 | 1
已回答
How to run code from a later line multiple times without restarting the whole script?
See Create and Run Sections in Code for how to divide the script (assuming it really is a scipt and not a function) into section...
How to run code from a later line multiple times without restarting the whole script?
See Create and Run Sections in Code for how to divide the script (assuming it really is a scipt and not a function) into section...
1 month 前 | 0
| 已接受
已回答
Trouble making a parameter sweep for Simulink
Try out = sim(model); More generally check out Simulink.SimulationInput and Optimize, Estimate, and Sweep Block Parameter Valu...
Trouble making a parameter sweep for Simulink
Try out = sim(model); More generally check out Simulink.SimulationInput and Optimize, Estimate, and Sweep Block Parameter Valu...
1 month 前 | 0
| 已接受
已回答
Help with exporting variables from function to workspace to then run in simulink file
The "modern" way to do this with the sim command is to use a Simulink.SimulationInput as the input. See that doc page to get sta...
Help with exporting variables from function to workspace to then run in simulink file
The "modern" way to do this with the sim command is to use a Simulink.SimulationInput as the input. See that doc page to get sta...
1 month 前 | 1
已回答
Save data from Simulink Scope
"I have this setting: is it correct?" It's correct if you want all of your logged variables to be contained within a single var...
Save data from Simulink Scope
"I have this setting: is it correct?" It's correct if you want all of your logged variables to be contained within a single var...
2 months 前 | 0
| 已接受
已回答
How do I import an audio file into simulink?
Hi Victor, It's not clear why it would be more convenient to do this in Simulink, but if that's really the case then perhaps th...
How do I import an audio file into simulink?
Hi Victor, It's not clear why it would be more convenient to do this in Simulink, but if that's really the case then perhaps th...
2 months 前 | 0
| 已接受
已回答
not saving data in workspace
Proabably because the model is set for a single simulation output. Go to: Model Settings -> Data Import/Export If the box is c...
not saving data in workspace
Proabably because the model is set for a single simulation output. Go to: Model Settings -> Data Import/Export If the box is c...
2 months 前 | 0
已回答
i am getting error when put definite integral of a ratio whose nemerator & denominator both are definte integral with variable limits.
Hi jagannath, In the original code, lmf and umf are function handles (having nothing to do with the sym variable x), and functi...
i am getting error when put definite integral of a ratio whose nemerator & denominator both are definte integral with variable limits.
Hi jagannath, In the original code, lmf and umf are function handles (having nothing to do with the sym variable x), and functi...
2 months 前 | 0
| 已接受
已回答
Transpose Matrix in Simulink 2020a
The online doc doesn't go back as far as 2020a, but in 2021a one would use the Math Function block. I'm sure (well, nearly sure)...
Transpose Matrix in Simulink 2020a
The online doc doesn't go back as far as 2020a, but in 2021a one would use the Math Function block. I'm sure (well, nearly sure)...
2 months 前 | 0
提问
Is There a Way to Create a Sequence of Polar Plots in a Tiled Layout Using arrayfun with an Anonymous Function?
Sample data s.th = pi/4:pi/4:2*pi; s.r = [19 6 12 18 16 11 15 15]; s(2) = s(1); s(2).th = s(2).th*1.3; If I want to make two...
2 months 前 | 1 个回答 | 1
1
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effects of ifft2(x, 'symmetric') while x is not conjugate symmetric
It appears that only portions of the input matrix are used when 'symmetric' is specified on input to ifft2 and the input is 2D ...
effects of ifft2(x, 'symmetric') while x is not conjugate symmetric
It appears that only portions of the input matrix are used when 'symmetric' is specified on input to ifft2 and the input is 2D ...
2 months 前 | 1
已回答
insAccelerometer Documentation h(x)
My take on this ... The equations in the code make sense assuming (1) the accelNav vector, which I assume (2) is a filter state...
insAccelerometer Documentation h(x)
My take on this ... The equations in the code make sense assuming (1) the accelNav vector, which I assume (2) is a filter state...
2 months 前 | 1
已回答
Error with Calling "dcmecef2ned" in Simulink
Hi Richard, In which version did it used to work? I'm assuming you're calling dcmecef2ned from inside a MatlabFunction block? ...
Error with Calling "dcmecef2ned" in Simulink
Hi Richard, In which version did it used to work? I'm assuming you're calling dcmecef2ned from inside a MatlabFunction block? ...
2 months 前 | 0
已回答
Having trouble solving an equation
syms x eqn = sqrt(((((26892/(x)^3)+(254.7/(x^2)))/2)^2)+(6111.5/((x)^3))^2) == 19000; expand(eqn) solve is telling it can't f...
Having trouble solving an equation
syms x eqn = sqrt(((((26892/(x)^3)+(254.7/(x^2)))/2)^2)+(6111.5/((x)^3))^2) == 19000; expand(eqn) solve is telling it can't f...
2 months 前 | 0
| 已接受
提问
Does Symbolic Math Toolbox Formally Support Function Composition?
The doc page Create Symbolic Functions states "The Symbolic Math Toolbox™ currently does not support composite symbolic function...
2 months 前 | 1 个回答 | 0
1
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Wrap part of a shape with a surface
Hi Robert, Perhaps something like this that draws a pathc between each height line? Salt to taste on the patch command. Is th...
Wrap part of a shape with a surface
Hi Robert, Perhaps something like this that draws a pathc between each height line? Salt to taste on the patch command. Is th...
2 months 前 | 0
| 已接受
