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# Arvind Sathyanarayanan

##### Last seen: 2 months ago
65 total contributions since 2018

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Plotting amplitude response and phase
You can use the bode command to get the magnitude and phase response. Try: bode(sys);

3 months ago | 0

powergui and ideal ac source issue
Timothy, Guessing based on your desciprition, it seems like the time step might not be large enough. If you're using a fixed s...

11 months ago | 0

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How to specifiy the parameters of "Distributed Parameter line" block?
Sam, If you know the RLC parameters of your cable, you can use the pi section line or you could just lump the parameters and us...

11 months ago | 0

Is it possible to use "add_line()" betwen "Model Reference" Blocks

11 months ago | 0

I want to use variable capacitor in SimPowerSystems like in simscape.How can i do it?
There is no block that will readily let you do this in SimPowerSystems but, the Simscape foundation library has a time varying c...

12 months ago | 0

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Solved

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

12 months ago

Solved

Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

12 months ago

12 months ago | 0

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my for loop is not extracting all the possible values
Have you tried this: for idx=0.0:0.1:3 if any(x(:)==idx) %if they equal and it is true, thus returning 1 [row,co...

1 year ago | 0

Converting Simscape DC Voltage Source to Simulink
Mitchell, thanks for the screenshot. If I understand you correctly, you're trying to use Simscape foundation library. The best...

1 year ago | 0

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Find out if X out of Y elements of an array are true
You can do something like this : X=sum(Array(:) == 1); if X>=4 disp('4 or more elements are true') end If they are 1s ...

1 year ago | 0

Exit Matlab from a Simulnk callback function
Using the quit force command will let you overcome the error. Please make sure you save everything you need before running the c...

1 year ago | 0

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How to work with livescripts in Simulink projects
Sarah, I tried this on 2017b and I'm able to add livescripts to my project files. Please see the screenshot. Are you adding ...

1 year ago | 0

Converting Simscape DC Voltage Source to Simulink
Mitchell, Can you attach the model or post a screenshot so we can see the blocks you're trying to connect? If you're using t...

1 year ago | 0

How do you connect simscape elements to other elements in the Simulink?
Pooya, To connect SimPowerSystems to SimElectronics, try using the Current-Voltage Simscape Interface. There are some examples...

1 year ago | 1

import large csv file
Use the readmatrix() command to import the csv file. The 'Output Type' arugment will let you change the data type and 'Range' ar...

1 year ago | 0

Pid block output limitation
You were on the right path, the way to do is this by adding your own saturation block to the individual branches. Since Matlab d...

1 year ago | 0

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How can I integrate SimscapeBlock (Exponential Diode) into SubSystem (with powergui) electrical network?
You'll have use the current-voltage simscape interface to do this. Please this and this.

1 year ago | 0

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What happens when you type it in the command window and press enter? If you get this: Undefined function or variable 'sdl_vehic...

1 year ago | 0

Can someone help me solve this problem (Array indices must be positive integers or logical values)
The issue is with length(CPap). You're trying to divide sum(abs(diff(CPap)))*freq by length(0.3), in your case length is not an ...

1 year ago | 0

How do I change the time unit of my signal (from second to hour) in the signal builder block?
Felix, I don't think you change the time to hours but in reality time in simulink is unitless. Please see this answer.

1 year ago | 0

Zener Diode for Simscape.
The power_zener uses the Specialized Technology library but, the your model is built using the Simscape library. To use a diod...

1 year ago | 1

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i need help with inuptdlg
Ah! The syntax for inputdlg() is: answer = inputdlg(prompt,dlgtitle,dims,definput) The error was because when defining the def...

1 year ago | 0

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i need help with inuptdlg
You could specify default values for the 4 inputs. Example: prompt = {'Choose the figure name','Choose the Tree name',... ...

1 year ago | 0

How can I generate a physical square signal of boolean type on Simulink?
You need the double data type to drive the switches but, using the NOT (or any logical operator) changes the data type to boolea...

1 year ago | 2

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MATLABWindow.exe crashes when closing app or app creator
I beileve this is a bug with 2017b. I faced a similar issue when I used app.delete; to close my app. Have you tired installing t...

1 year ago | 0

how can I plot smooth graph
A moving average filter might do the job. Play around with the number of points to preserve the peak value. N = 10; h = (1/N)...

1 year ago | 0

Control System Toolbox - Linear Analysis
To place the linear analysis points, you need to right click the line and select the type of point you want to use. See image be...

1 year ago | 1

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