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DURCHSCHNITTLICHE ANZAHL DER LIKES
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Frage
Spectral analysis in MATLAB script
I am trying to minimize the spectral leakage in the frequency analysis of a signal to obtain accurate magnitudes of all the freq...
etwa 7 Jahre vor | 2 Antworten | 1
2
AntwortenFrage
Filtered signal's frequency response is not correct
I am trying to pass a pure noise signal through a filter, but the frequency response is not what I expected. I have attached th...
etwa 7 Jahre vor | 0 Antworten | 0
0
AntwortenLog equation log(x) not plotting correctly
y_3 contains complex numbers with real and imaginary components, and the plot() function only plots the real component of the co...
etwa 7 Jahre vor | 1
Frage
Element-wise product in Simulink
I would like to perform an element-wise multiplication (Hadamard product) between 2 matrices in Simulink. The "multiply" block ...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortProblem having isoutlier detecting anything
The outlier detection generally works best on single data point outliers (not multiple in a row). Your data has a large amount ...
mehr als 7 Jahre vor | 0
measuring force in a spring dashpot model
The _Ideal Force Sensor_ should be in series with the mechanical system. See the attached example.
mehr als 7 Jahre vor | 1
| akzeptiert
How can I control the pulse generator percentage with variable?
You can create a custom PWM subsystem where the pulse percent is the input. See attached example.
mehr als 7 Jahre vor | 0
| akzeptiert
How can I measure percentage of pulse signal
You are probably better off filtering the PWM signal to find the interval percentage. See the attached example.
mehr als 7 Jahre vor | 0
| akzeptiert
How to have a plot3 vector and sphere on same figure?
Try something like this: figure(1) %creating animation window sphere % creating sphere for visualization alph...
mehr als 7 Jahre vor | 0
| akzeptiert
PID to control solenoid valves on simulink?
Typically, solenoid valves only operate as binary valves (either on or off with no in between). From what you are describing it...
mehr als 7 Jahre vor | 0
update parameter during simulink simulation
If you use external gains for the PID block, you can easily modify them during the simulation. Because you want the PID to swit...
mehr als 7 Jahre vor | 2
| akzeptiert
Is it possible draw left y-axis with red color and the right y-axis with blue color?
Yes it is. Here is an example of a plot with different y axis colors: t = linspace(0,1,1000); a = sin(2*pi*t); b = s...
mehr als 7 Jahre vor | 1
| akzeptiert
After importing data from excel and plotting them, I need to subtract the noise and extract only the five peaks, and finally to find the area under the peaks? Can anyone tell me what function to use?
You can probably apply a highpass filter to the data to isolate the peaks. This should remove the low frequency/offset of the p...
mehr als 7 Jahre vor | 0
| akzeptiert
Gelöst
Prime Product
My professor has given a sequence of N numbers as a1, a2, ..., aN and asked me to find the smallest possible value of ai * aj su...
mehr als 7 Jahre vor
Gelöst
5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...
mehr als 7 Jahre vor
Gelöst
"Cody" * 5 == "CodyCodyCodyCodyCody"
*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...
mehr als 7 Jahre vor
Gelöst
The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...
mehr als 7 Jahre vor
Gelöst
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
mehr als 7 Jahre vor
Gelöst
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
mehr als 7 Jahre vor
Gelöst
Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...
mehr als 7 Jahre vor
Gelöst
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
mehr als 7 Jahre vor
Gelöst
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
mehr als 7 Jahre vor
Gelöst
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
mehr als 7 Jahre vor
Saving figure data statistics without using the GUI?
You can create a function to collect this data for you. To create a structure with the same format as Tools -> Data Statistics ...
mehr als 7 Jahre vor | 0
| akzeptiert
Frage
Simulink Zoom FFT - error in native MATLAB example (dspzoomfft)
I am trying to understand the Zoom FFT algorithm, and am playing around with the native MATLAB example for Simulink (opened by t...
fast 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Improvements for rapid Simscape changes with discrete valves
I have a Simscape model that consists of a few valves and constant volume chambers. Every time a valve is opened, the instantan...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Simscape gas pipe element causes initialization errors
I have a Simscape model with a long thin (an inner diameter of 0.030") tube in the middle. When the tube is shorter (less than ...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
3/2 pneumatic valve model
I am trying to design a 3/2 pneumatic valve (3 ports and 2 positions). The valve has a supply port, common port, and an exhaust...
mehr als 8 Jahre vor | 1 Antwort | 0
