Answered

how to find integration through period of time

You have a constant acceleration, you can simply use the basic equations of motion to calculate the velocity and distance: ...

how to find integration through period of time

You have a constant acceleration, you can simply use the basic equations of motion to calculate the velocity and distance: ...

24 hours ago | 0

Answered

how to stop a loop at any time during the loop using ui?

A possible solution can be done like this: function gui fig = figure; ButtonHandle = uicontrol('Style', 'PushButton', ... ...

how to stop a loop at any time during the loop using ui?

A possible solution can be done like this: function gui fig = figure; ButtonHandle = uicontrol('Style', 'PushButton', ... ...

1 day ago | 0

Answered

PSD calculation of ECG signal

You can use the periodogram function from matab.

PSD calculation of ECG signal

You can use the periodogram function from matab.

1 day ago | 0

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Answered

How to write a matlab program to arrange my workspace data?

You could use the function sort to sort your arrays and get the index of the sorting, so you can apply this indexing to u and gi...

How to write a matlab program to arrange my workspace data?

You could use the function sort to sort your arrays and get the index of the sorting, so you can apply this indexing to u and gi...

1 day ago | 0

Answered

heaviside and sign function

The heavside function is not the same as the sign function, you can't simply change one for another. If you want to write the si...

heaviside and sign function

The heavside function is not the same as the sign function, you can't simply change one for another. If you want to write the si...

8 days ago | 0

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Answered

Plotting the set of all unit vectors in different norms efficiently?

Just make a meshgrid and convert it to a vector %X = randn(10000,2); step = 0.02; [Xi,Yi] = meshgrid(-1:step:1,-1:step:1); X...

Plotting the set of all unit vectors in different norms efficiently?

Just make a meshgrid and convert it to a vector %X = randn(10000,2); step = 0.02; [Xi,Yi] = meshgrid(-1:step:1,-1:step:1); X...

8 days ago | 0

Answered

Combining separate graphs into one and changing the scale to match

You can do the first plot, plot the second one over it and then rescale the y axis to the values of the first plot (since the se...

Combining separate graphs into one and changing the scale to match

You can do the first plot, plot the second one over it and then rescale the y axis to the values of the first plot (since the se...

8 days ago | 0

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Answered

How we can generate generate a noise signal from gauss distribution ??

the randn function in matlab is a gaussian distribution with variance 1. So you can generate a gaussian with mean x and variance...

How we can generate generate a noise signal from gauss distribution ??

the randn function in matlab is a gaussian distribution with variance 1. So you can generate a gaussian with mean x and variance...

8 days ago | 0

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Answered

How to compare the saved names of two images stored in different folders ?

You have a couple of errors in your code. Firstly to compare strings you must use the strcmp function, so if strcmp(first,last...

How to compare the saved names of two images stored in different folders ?

You have a couple of errors in your code. Firstly to compare strings you must use the strcmp function, so if strcmp(first,last...

8 days ago | 1

Answered

How to achieve real-time graphics in MATLAB?

If you plot your ball in matlab and update the plots there it will never be exactly as fast as a real life example because you ...

How to achieve real-time graphics in MATLAB?

If you plot your ball in matlab and update the plots there it will never be exactly as fast as a real life example because you ...

15 days ago | 0

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Answered

Multi-target data optimization

Could you explain a little more the problem you're having? In the end it really doesn't matter if your matrix are functions or n...

Multi-target data optimization

Could you explain a little more the problem you're having? In the end it really doesn't matter if your matrix are functions or n...

15 days ago | 1

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Answered

2D color or surface plot based on 3 columns of data

Ideally you should have a perfect grid and them you can do this kind of plot. In your case, however, you have only scattered val...

2D color or surface plot based on 3 columns of data

Ideally you should have a perfect grid and them you can do this kind of plot. In your case, however, you have only scattered val...

15 days ago | 1

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Answered

Spectral Substraction for removing noise

Probably your signal is not long enough for you to use 2000 blocks of 350 samples, you can make your loop signal dependent to av...

Spectral Substraction for removing noise

Probably your signal is not long enough for you to use 2000 blocks of 350 samples, you can make your loop signal dependent to av...

22 days ago | 0

Answered

dot product between system of vectors

How you are getting these values for Q? If you calculate the dot product between the colums of the variables you give the values...

dot product between system of vectors

How you are getting these values for Q? If you calculate the dot product between the colums of the variables you give the values...

22 days ago | 0

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Answered

Bisection Method, Newtons method, fixed point, and Globally Convergent Newton's method

From your text I belive you actually want to plot the convergence of the methods. For this you need to save the errors for all i...

Bisection Method, Newtons method, fixed point, and Globally Convergent Newton's method

From your text I belive you actually want to plot the convergence of the methods. For this you need to save the errors for all i...

22 days ago | 0

Answered

why am i getting NaN from my function

As David said your log2(p) is not safe, you can solve this problem by using this line of code: Entropy = - sum(p.*log2(p+eps));...

why am i getting NaN from my function

As David said your log2(p) is not safe, you can solve this problem by using this line of code: Entropy = - sum(p.*log2(p+eps));...

22 days ago | 0

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Answered

connecting 2 object that separately but their location is close ?

You can use the imfill function from the image processing toolbox for such type of problems.

connecting 2 object that separately but their location is close ?

You can use the imfill function from the image processing toolbox for such type of problems.

29 days ago | 0

Answered

surface plotting with complex function

Maybe you need to add a shading to properly visualize the result? surf(Th,Al,mag) shading interp

surface plotting with complex function

Maybe you need to add a shading to properly visualize the result? surf(Th,Al,mag) shading interp

29 days ago | 0

Answered

Minimisation of object function having 2d array as variables.

Any 2D array can be represented with a vector, which is the normal input to optimization functions, so all you need to do is wri...

Minimisation of object function having 2d array as variables.

Any 2D array can be represented with a vector, which is the normal input to optimization functions, so all you need to do is wri...

29 days ago | 0

Answered

How do I implement friction into my script?

Friction is a force that produces acceleration which changes the velocity, so if you add an additional term to the velocity upda...

How do I implement friction into my script?

Friction is a force that produces acceleration which changes the velocity, so if you add an additional term to the velocity upda...

29 days ago | 0

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Answered

How to add a new column to several matrices

How you read your files? It should actually be very straight forward, something like this should help (Read it mosty as a pseudo...

How to add a new column to several matrices

How you read your files? It should actually be very straight forward, something like this should help (Read it mosty as a pseudo...

29 days ago | 0

Answered

Correlated Random variable for shadow fading

exp(-0/d0) equals 1, not 0, so I don't understand why you think the raw exp(-d/d0) would produce those results, since values wil...

Correlated Random variable for shadow fading

exp(-0/d0) equals 1, not 0, so I don't understand why you think the raw exp(-d/d0) would produce those results, since values wil...

29 days ago | 1

Answered

Speeding up a for loop

If you don't mind having 3 dimensional arrays something like this can be used rng(42) S1 = 5994; S2 = 88; S3 = 8; A = 100*r...

Speeding up a for loop

If you don't mind having 3 dimensional arrays something like this can be used rng(42) S1 = 5994; S2 = 88; S3 = 8; A = 100*r...

1 month ago | 0

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Answered

Rotate vector in row

This may solve your problem: rng(42) n= [1,19,15,18,21,10,16,2,7,3,17,6,1; 1,14,20,8,4,13,9,5,1,0,0,0,0; 1...

Rotate vector in row

This may solve your problem: rng(42) n= [1,19,15,18,21,10,16,2,7,3,17,6,1; 1,14,20,8,4,13,9,5,1,0,0,0,0; 1...

1 month ago | 0

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Answered

How can use parallel programming in the below code?

You can indeed try to do the code in parallel with a parfor loop in the "i" loop and some tweak in the eta2 variable bound like ...

How can use parallel programming in the below code?

You can indeed try to do the code in parallel with a parfor loop in the "i" loop and some tweak in the eta2 variable bound like ...

1 month ago | 0

Answered

How to select different data points in different images in a loop?

I don't think a zeropad approach would be optimal, the main problem is that your vector can increase size every time as the same...

How to select different data points in different images in a loop?

I don't think a zeropad approach would be optimal, the main problem is that your vector can increase size every time as the same...

1 month ago | 0

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Answered

LONGEST PATH BY PRODUCT

You can take the log of your inverse matrix and use the log property: Which basically says that maximizing/minimizing the sum...

LONGEST PATH BY PRODUCT

You can take the log of your inverse matrix and use the log property: Which basically says that maximizing/minimizing the sum...

1 month ago | 0

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Answered

Having problem to change the value of extra parameters at each time step passed in ODE45 Solver

You can do it accurately only by doing partial integrations (make a loop in ode45 for the time steps) and changing the variable ...

Having problem to change the value of extra parameters at each time step passed in ODE45 Solver

You can do it accurately only by doing partial integrations (make a loop in ode45 for the time steps) and changing the variable ...

1 month ago | 0

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Answered

How to calculte and plot this equation in matlab ,when T=(0-3000k)

T = 0:3000; X = @(T) 6.626e-34./sqrt(2*pi*9.11e-31*1.38e-23*T); figure,plot(X(T),T)

How to calculte and plot this equation in matlab ,when T=(0-3000k)

T = 0:3000; X = @(T) 6.626e-34./sqrt(2*pi*9.11e-31*1.38e-23*T); figure,plot(X(T),T)

1 month ago | 0

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Answered

Legend not using correct colors

Your zeros(max_k) was a matrix, so each plot command made many plots and the legends went to the wrong place. Making it only ...

Legend not using correct colors

Your zeros(max_k) was a matrix, so each plot command made many plots and the legends went to the wrong place. Making it only ...

1 month ago | 2

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