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How to set slower time sample for a subsystem inside of another periodic atomic subsystem
Put the S-function inside a Triggered Subsystem, which is set to be triggered by Function Call. Use a Function Call Generator to...

6年以上前 | 0

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branched signals to merge block
If a signal line goes to a Merge block, this signal line can't go anywhere else (branched). If you really need to use this signa...

6年以上前 | 1

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How to generate a pwm signal with duty cycle 30%
Use a resetable integrator to generate a sawtooth wave, compare it with a constant value, you'll get a PWM wave. The value of th...

6年以上前 | 0

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Possible bug in visdiff - need confirmation and a workaround
I think it is a bug, or at least a defect. I've seen similar issues. Inserting an Inport block in the middle of a subsystem bloc...

6年以上前 | 0

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errors after update to 2019
It is a function in the Optimization Toolbox. Do you still have this toolbox in new version of MATLAB?

6年以上前 | 0

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'break' in 'while' loop
From help break In nested loops, break exits from the innermost loop only

6年以上前 | 0

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Combining a function and solver to create a M-function in Simulink
Simulink is the perfect tool to solve this problem (get y output based on input A and B). Why take the awkward long route? In fa...

6年以上前 | 1

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How to find the variables of simulink non-active variants subsystem
from doc Simulink.findVars Simulink.findVars discovers variable usage in inactive subsystem variants only if you select Analyze...

6年以上前 | 0

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at which piont i have the minimum value
[t,index]=max(z); value=i(index)

6年以上前 | 0

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To Workspace Block - Output Array Size Problem
A Simulink simulation runs for a period of time. The output being 51x1 size array probably means the simulation ran for 50 steps...

6年以上前 | 0

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Can you help me fix a faulty self-resetting integrator?
Right now, the reset trig is "falling" edge. Pure negative value won't trig it. You could add a Comparison block to compare ...

6年以上前 | 0

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Can someone tell me what is wrong with this?
The problem is, vector x is not defined. When you do x1=5, I think you meant x(1)=5. But even with that, when k=1, x(2) is not d...

6年以上前 | 0

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function rand with variables
a=10;b=20;c=30; mat=[a,b,c]; index=randi([1 3],1,10); out=mat(index)

6年以上前 | 0

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Find the coordinates of a point chosen on a plot
Use data cursor, set "SnapToDataVertex" to be "on" and then get the position. See example in doc datacursormode

6年以上前 | 0

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What is u(1:1+int,1)?
Do the following line by line to unerstand it u=magic(6) int=4 1:1+int u(1:1+int,1)

6年以上前 | 0

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Error when trying to enter in a simple matrix
most likely need to be written as (cos(psi))^2

6年以上前 | 0

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How can I make my output into a 2D char array instead of separate answers?
You have a recursive function which makes it a little complicated. But this modification seems to work. %% out=hanoi(3, 1, 2, ...

6年以上前 | 1

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No supported compiler was found. you can install the freely available MinGW-w64 compiler.
run "mex -setup"?

6年以上前 | 0

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Run an external program using matlab
system('$RaD -variable example.txt')

6年以上前 | 0

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How to add a new field in astruct
setfield(test,'NewField',1)

6年以上前 | 0

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Scope problem in Simulink Desktop Real-Time
Check if you have a "Marker". On the Scope, View, Style, make sure "Marker" is "none".

6年以上前 | 0

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MATLAB syntax (parantheses without intermediate steps)
mean(mean(abs(rand(10)-eye(10))))

6年以上前 | 1

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audioFeatureExtractor function not found
This function is introduced in R2019b. https://www.mathworks.com/help/releases/R2019b/audio/ref/audiofeatureextractor.html

6年以上前 | 0

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apply initial conditions to a subsystem
Use "Initialize Function" in library Simulink\User-Defined Functions.

6年以上前 | 0

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How to programmatically rename Stateflow states that are grouped?
To handle this, Box=c.find('Name', 'Heater'); Box.IsGrouped=false; states(1).Name='NewName'; To handle it more generically...

6年以上前 | 0

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Integrate, Load and execute a dll in a Simulink Model
C caller block

6年以上前 | 0

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Extract Structure element dynamically
%% s.a=1:10; s.b=rand(1,10); EleNames=fieldnames(s); plot(s.(EleNames{1}),s.(EleNames{2}));

6年以上前 | 0

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How can I count how many numbers are different from '-1'?
start with B=A~=-1

6年以上前 | 0

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How can I get the full MATLAB Mapping Toolbox? Some functions appear to be missing.
geodensityplot() was introduced in R2018b. https://www.mathworks.com/help/releases/R2019b/matlab/ref/geodensityplot.html

6年以上前 | 1

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Duplicate Each Element in a Matrix without using Repelem or Repmat
a=eye(2); k=3; d=blkdiag(ones(k,1),ones(k,1)); b=d*a*d' %%Or a more generic case a=[1 2 3;4 5 6]; k=3; [m,n]=size(a);...

6年以上前 | 2

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