답변 있음

How to find the best parameters to fit damped oscillations curves

If you plot your data you should be able to see that the zero-crossings are increasingly further apart. That means that your mo...

How to find the best parameters to fit damped oscillations curves

If you plot your data you should be able to see that the zero-crossings are increasingly further apart. That means that your mo...

약 15시간 전 | 0

답변 있음

How can I improve code efficiency?

First step of improving code is to run the scripts and functions with the profiler on (seel documentation and help for profile) ...

How can I improve code efficiency?

First step of improving code is to run the scripts and functions with the profiler on (seel documentation and help for profile) ...

2일 전 | 0

답변 있음

Some question about a special code for solving an ODE system by Runge-Kutta method

Since u1 and u2 depends on p1, p2 and p3, that in turn will depend on time, you have 6 coupled ODEs. The best(?) way to solve th...

Some question about a special code for solving an ODE system by Runge-Kutta method

Since u1 and u2 depends on p1, p2 and p3, that in turn will depend on time, you have 6 coupled ODEs. The best(?) way to solve th...

3일 전 | 0

| 수락됨

답변 있음

Curve fitting of a custom equation with a predefined value

For this type of problems I typically use the basic optimization-functions of matlab - either fminsearch or lsqnonlin depending ...

Curve fitting of a custom equation with a predefined value

For this type of problems I typically use the basic optimization-functions of matlab - either fminsearch or lsqnonlin depending ...

6일 전 | 0

| 수락됨

답변 있음

how to get eigenvalues of a function matrix?

To calculate the eigenvalues of H you have to chose, either to use your implementation where H is a handle to a function returni...

how to get eigenvalues of a function matrix?

To calculate the eigenvalues of H you have to chose, either to use your implementation where H is a handle to a function returni...

약 1달 전 | 0

| 수락됨

답변 있음

How do I create a new folder each time I run a code?

This is easily solved: dirname = fullfile(path_2_root_dir,sprintf('NewFolder-%s',datestr(now,'yyyymmdd-HHMMSS'))); mkdir(dirna...

How do I create a new folder each time I run a code?

This is easily solved: dirname = fullfile(path_2_root_dir,sprintf('NewFolder-%s',datestr(now,'yyyymmdd-HHMMSS'))); mkdir(dirna...

약 1달 전 | 0

답변 있음

Images don't show properly with imshow after certain calculation

When you do things like this the errors are always (in my experience) in different normalizations and type-castings. To work the...

Images don't show properly with imshow after certain calculation

When you do things like this the errors are always (in my experience) in different normalizations and type-castings. To work the...

약 1달 전 | 0

| 수락됨

답변 있음

Press " " to rename 4 instances of "VariableName1" to "VariableName2"

That ought to be the return key... HTH

Press " " to rename 4 instances of "VariableName1" to "VariableName2"

That ought to be the return key... HTH

약 2달 전 | 0

답변 있음

How to compute SVD of a matrix without using in-build SVD command?

So this is a homework task, right? (Unless you come up with a good reason this is the case everyone have to come to this conclus...

How to compute SVD of a matrix without using in-build SVD command?

So this is a homework task, right? (Unless you come up with a good reason this is the case everyone have to come to this conclus...

약 2달 전 | 0

답변 있음

analytical solution of ODEs

This should be done thisly: syms r syms T(r) dTdr = diff(T) d2Tdr2 = diff(T,2) T = dsolve(1*d2T+((1/r)*dT) ==1,T(0.005)==20...

analytical solution of ODEs

This should be done thisly: syms r syms T(r) dTdr = diff(T) d2Tdr2 = diff(T,2) T = dsolve(1*d2T+((1/r)*dT) ==1,T(0.005)==20...

약 2달 전 | 0

답변 있음

How to graphically/interactively select region of interest from 3D point cloud data

In newer versions of matlab there seems to be just such a feature, see: ROI.CUBOID For older versions of matlab (I vaguely rec...

How to graphically/interactively select region of interest from 3D point cloud data

In newer versions of matlab there seems to be just such a feature, see: ROI.CUBOID For older versions of matlab (I vaguely rec...

약 2달 전 | 0

| 수락됨

답변 있음

Obtaining a equation in two variables (x and y) from a set of data points

What you should do depends on your objective. If you very explicitly want a function you could use spap2 (and perhaps some of it...

Obtaining a equation in two variables (x and y) from a set of data points

What you should do depends on your objective. If you very explicitly want a function you could use spap2 (and perhaps some of it...

약 2달 전 | 1

| 수락됨

답변 있음

Hello, we have received a Matlab code in school and the assignment is to explain what it means. I wonder if anybody could take us through the code and explain it?

At the matlab command-line prompt type: dpstop in nameiofscript where nameiofscript is the name of the script-file. Then you r...

Hello, we have received a Matlab code in school and the assignment is to explain what it means. I wonder if anybody could take us through the code and explain it?

At the matlab command-line prompt type: dpstop in nameiofscript where nameiofscript is the name of the script-file. Then you r...

3달 전 | 0

답변 있음

How to obtain CDF from large dataset?

Have a look at the help and documentation of the function ksdensity - that is one way to do this with the least amount of assump...

How to obtain CDF from large dataset?

Have a look at the help and documentation of the function ksdensity - that is one way to do this with the least amount of assump...

3달 전 | 0

답변 있음

Difference in frequency domain between mp3 and wav

There are some small differences. You should also try to compare the spectrograms of the two signals, see the help for spectrogr...

Difference in frequency domain between mp3 and wav

There are some small differences. You should also try to compare the spectrograms of the two signals, see the help for spectrogr...

3달 전 | 0

답변 있음

How to edit matlab saved file?

I think something like this should work: filename2edit = 'something.mat'; load(filename2edit,'X2change') X2change(3) = 12; s...

How to edit matlab saved file?

I think something like this should work: filename2edit = 'something.mat'; load(filename2edit,'X2change') X2change(3) = 12; s...

3달 전 | 0

답변 있음

I would like to plot Histogram and relative frequencies from a given dada.txt. I already plot time series plot for the given data. KIndly help me to plot histogram and relative freqs.

Have a good look at the help and documentation of histogram function. It should let you solve this task easily. HTH

I would like to plot Histogram and relative frequencies from a given dada.txt. I already plot time series plot for the given data. KIndly help me to plot histogram and relative freqs.

Have a good look at the help and documentation of histogram function. It should let you solve this task easily. HTH

3달 전 | 0

답변 있음

Solving 4th order ode problem

In general you convert a high-order ODE to a set of first order ODEs like in this example below (I will use a simple equation of...

Solving 4th order ode problem

In general you convert a high-order ODE to a set of first order ODEs like in this example below (I will use a simple equation of...

3달 전 | 0

답변 있음

partial differentating a matrix by a vector

Have a look at the help and documentation for jacobian. HTH

partial differentating a matrix by a vector

Have a look at the help and documentation for jacobian. HTH

3달 전 | 0

| 수락됨

답변 있음

Is it possible to plot a 3D graph with non numerical values?

The simplest method might be to map your classes to some integer range and then use the standard plotting functions. In your cas...

Is it possible to plot a 3D graph with non numerical values?

The simplest method might be to map your classes to some integer range and then use the standard plotting functions. In your cas...

3달 전 | 0

답변 있음

How to display figure in full-screen mode programmatically and save as a high resolution image?

To save as high-resolution, I regularly use: print('-depsc2','-painters','J.eps') If you desperately want the image as a png-i...

How to display figure in full-screen mode programmatically and save as a high resolution image?

To save as high-resolution, I regularly use: print('-depsc2','-painters','J.eps') If you desperately want the image as a png-i...

3달 전 | 1

답변 있음

How to store 2D variables in matrix

For the storing the point coordinates you might look at either cell-arrays: r1 = [1,2,3]; r2 = [3,2,5]; r3 = [4.5,pi,1,5]; %...

How to store 2D variables in matrix

For the storing the point coordinates you might look at either cell-arrays: r1 = [1,2,3]; r2 = [3,2,5]; r3 = [4.5,pi,1,5]; %...

3달 전 | 0

답변 있음

Problem getting number of ticks and labels to work properly

Do you get your xticks at the even years with the xticklabels for the first 6 years? You can at least check the x-tick values w...

Problem getting number of ticks and labels to work properly

Do you get your xticks at the even years with the xticklabels for the first 6 years? You can at least check the x-tick values w...

3달 전 | 0

답변 있음

De-resolution of Dicom Image

So you problem is that you cannot figure out how to save a file to a new same-name file in another directory? If so something l...

De-resolution of Dicom Image

So you problem is that you cannot figure out how to save a file to a new same-name file in another directory? If so something l...

3달 전 | 0

답변 있음

A switch case statement that will help me to either run codeS in Windows or linux, based on whichever OS it is

Have a look at the commands: computer, ispc, insunix, ismac. HTH

A switch case statement that will help me to either run codeS in Windows or linux, based on whichever OS it is

Have a look at the commands: computer, ispc, insunix, ismac. HTH

3달 전 | 0

답변 있음

zoom plot into plot

Maybe this file exchange contribution does what you need: zoomplot Or any of these: on-figure-magnifier, maginset, interactiv...

zoom plot into plot

Maybe this file exchange contribution does what you need: zoomplot Or any of these: on-figure-magnifier, maginset, interactiv...

3달 전 | 0

답변 있음

How to find angle between two lines?

A more stable method that what Jos suggested is v_1 = [x2,y2,0] - [x1,y1,0]; v_2 = [x3,y3,0] - [x1,y1,0]; Theta = atan2(norm(...

How to find angle between two lines?

A more stable method that what Jos suggested is v_1 = [x2,y2,0] - [x1,y1,0]; v_2 = [x3,y3,0] - [x1,y1,0]; Theta = atan2(norm(...

3달 전 | 1

| 수락됨

답변 있음

Integrating function of t over numerical values

Yes, that means that the function you call integral with is called with an array of values - therefore your function (the long e...

Integrating function of t over numerical values

Yes, that means that the function you call integral with is called with an array of values - therefore your function (the long e...

3달 전 | 0

| 수락됨

답변 있음

Multiple color plots / colorbars on a single axes

There are some contributions on the file exchange that deals with this. I thik this is one: colormat-and-colorbar-utilities You...

Multiple color plots / colorbars on a single axes

There are some contributions on the file exchange that deals with this. I thik this is one: colormat-and-colorbar-utilities You...

3달 전 | 0

| 수락됨