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Active since 2015

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Simulink - starting calculations in subsystem with some delay
Hi. Let say I have two sine waves. I lead them into a subsystem, where I calculate difference between their amplitudes. From ...

9 years ago | 1 answer | 0

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answer

Question


How to simulate sine signal with changing frequency in Simulink?
Is possible to do that in Simulink? I am using DSP block, because I want to create discrete sine signal. But I would like that s...

9 years ago | 0 answers | 0

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answers

Question


Any idea how to create Lookup Table in Simulink?
In Simulink, I would like to create a lookup table with some constants. Then, I would like to pick up one, which index is equal ...

9 years ago | 0 answers | 0

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answers

Question


How to connect function blocks in Simulink "wirelessly"?
Is possible to do that, or is it necessary to connect function blocks with wires? Because of transparency, I would like to pass...

9 years ago | 1 answer | 0

1

answer

Question


Is it possible to view a signal in "Display" block in real time durring simulation?
Or is there any other block, which is dedicated for that purpose. Thanks

9 years ago | 1 answer | 0

1

answer

Question


Question regarding Simulink - how to collect samples of a discrete signal on some interval
I am generating a discrete sine wave with many samples (let say 1000 or 10000 per period). Now I would like to collect only 100 ...

9 years ago | 1 answer | 0

1

answer

Question


How to make something only on a part of a signal (let say negative part) in Simulink?
Two sine waves (one shifted for 90 degrees) pass into an _atan2_ block which gives me a signal which goes from -pi to +pi. I wou...

9 years ago | 1 answer | 0

1

answer

Question


Don't see any library in Simulink ?!?
I wanted to use Simulink for the first time since I purchase a Matlab Student Suite and I have a problem, that I don't see any l...

9 years ago | 1 answer | 0

1

answer

Answered
How to add noise to sine signal and filter it?
Here I didn't use bandpass filters, but I just remove some harmonics from a signal using FFT and IFFT. The signal has got high 5...

9 years ago | 0

Question


How to expose a symbol from an equation? I have Symbolic Math Toolbox, if it is necessary
Let say I have an equation like: y = @(x) x^2 + 2; I want to express X in dependence of Y like: x = @(y) sqrt(y-2);

9 years ago | 1 answer | 0

1

answer

Answered
Addition inside of an existing Matrix
M = [1, 2; 3, 4]; X = 10; %% VERSION 1 M(end) = M(end) + X; %% VERSION 2 M(2,2) = M(2,2) + X; In bot...

9 years ago | 1

| accepted

Question


Don't see Data Acquisition Toolbox under Help --> Check for Updates. Having MATLAB and Simulink Student Suite
In MATLAB and Simulink Student Suite there should be 10 different Toolboxes beside Matlab and Simulink. Under Help --> Check for...

9 years ago | 1 answer | 0

1

answer

Answered
How to see (in Command Window) all possible fields of a structure?
Now I found what I want: set(ax,'Units')

9 years ago | 0

| accepted

Question


How to see (in Command Window) all possible fields of a structure?
Let say I have an axes handle stored to "ax". How could I display *all* possibilities for let say ax.Units (or any other field)?...

9 years ago | 2 answers | 0

2

answers

Answered
How do i refer to an entire row in a matrix, while only specifying one variable in that row?
Something like this: Matrix = [1 5; 4 1; 2 7; 3 8]; SecCol = Matrix(:,2); [val,ind] = min(SecCol); Result = Matrix...

9 years ago | 0

Answered
I will appreciate any suggestion on this simple code. I want to substitute the elements of x >5 with 6 and x<5 with zero.
Also: x=[1 2 3 4 5 6 7 8]; x(x>5) = 6; x(x<=5) = 0;

9 years ago | 0

Question


Separating array to individual rows
Hello. I have an array called "Mat". In every row, there are 3 vectors with same length, one after another. From the last ele...

9 years ago | 0 answers | 0

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answers

Answered
How to generate a sine signal with changing frequency, but with predetermined number of elements and periods?
Nobody else has any idea? I was trying to modify function, which was suggested by Shane, but with no success.

9 years ago | 0

Question


How to generate a sine signal with changing frequency, but with predetermined number of elements and periods?
Hi. I have to generate (plot) a sine signal which should have predetermined number of elements (lat say 200000) and predeterm...

9 years ago | 2 answers | 0

2

answers

Question


ELECTRIC POTENTIAL - How to speed up the code? (COMPLETE CODE INCLUDED)
Hi. I have a code which calculates an electrical potential around stormy cloud, which is placed above the lighthouse. I compu...

9 years ago | 1 answer | 0

1

answer

Question


Double FOR loop - any way to speed up? (Electrical potencial computation - CODE INCLUDED)
Hi. I have a program which calculates an electrical potencial around stormy cloud, which is placed above the lighthouse. I co...

9 years ago | 0 answers | 0

0

answers

Answered
Is there any way to improve quality of a text in a figure? I'm using Macbook Pro with Retina display.
Than, I found out that, if I save a figure on my laptop (Macbook Pro Retina) and open it on a windows platform (with 1920x1200 s...

9 years ago | 0

Answered
Is there any way to improve quality of a text in a figure? I'm using Macbook Pro with Retina display.
Thanks, but those suggestions don't improve pixelated titles and labels. However, a lot of new information.

9 years ago | 0

Question


Is there any way to improve quality of a text in a figure? I'm using Macbook Pro with Retina display.
Hi. A few days ago, I downloaded a trial version of Matlab for my computer. As I mentioned, I am using Apple's Macbook Pro with ...

9 years ago | 5 answers | 0

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answers