Answered

Instead of ga, what else can I use to solve nonlinear optimization problem with integer constraints?

http://mathworks.com/matlabcentral/fileexchange/35720-minlp--mixed-integer-nonlinear-programming Here is a file exchange entry...

Instead of ga, what else can I use to solve nonlinear optimization problem with integer constraints?

http://mathworks.com/matlabcentral/fileexchange/35720-minlp--mixed-integer-nonlinear-programming Here is a file exchange entry...

2 years ago | 1

| accepted

Question

What is the best practice for passing data to use for visualization?

What is the best practice for passing variables to a function for visualization? I am working on a simulation of a flexible me...

2 years ago | 0 answers | 0

Answered

Apply Small Perturbations to Simscape Multibody Rotational/Translational States for Model Linearization

You can specify motion to the 6-DOF joint by going to actuation and setting the force to be automatically computed and the motio...

Apply Small Perturbations to Simscape Multibody Rotational/Translational States for Model Linearization

You can specify motion to the 6-DOF joint by going to actuation and setting the force to be automatically computed and the motio...

3 years ago | 1

| accepted

Answered

data every second. want matrix with mean data of every minute.

Use |retime| and |datetime|: a = ones(100, 7); a(:, 7) = randi(15, 100, 1); mins = repmat(1:10, 10, 1); a(:, 5) = mi...

data every second. want matrix with mean data of every minute.

Use |retime| and |datetime|: a = ones(100, 7); a(:, 7) = randi(15, 100, 1); mins = repmat(1:10, 10, 1); a(:, 5) = mi...

3 years ago | 0

| accepted

Answered

Solve nonlinear equation with positive solution (fsolve)

You can set an assumption on the equations using |assume|, in this case there seem to be no solutions for this problem. x ...

Solve nonlinear equation with positive solution (fsolve)

You can set an assumption on the equations using |assume|, in this case there seem to be no solutions for this problem. x ...

3 years ago | 1

Answered

Why is this sparse multiplication failing?

You could use the relevant indices to perform the multiplication: b = sparse(17249876309, 29); b(430: 490) = 1; c = ...

Why is this sparse multiplication failing?

You could use the relevant indices to perform the multiplication: b = sparse(17249876309, 29); b(430: 490) = 1; c = ...

3 years ago | 0

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Answered

How to remove entries form a struct array?

Logical indexing should work, just note that you need brackets around s.area. field1 = 'area'; value1 = num2cell(1:10) ; ...

How to remove entries form a struct array?

Logical indexing should work, just note that you need brackets around s.area. field1 = 'area'; value1 = num2cell(1:10) ; ...

3 years ago | 0

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Answered

How can I find circle diameter using arc ?

Take three points on the arc, draw lines between them and take the bissectors of those lines, where they meet is the center O. T...

How can I find circle diameter using arc ?

Take three points on the arc, draw lines between them and take the bissectors of those lines, where they meet is the center O. T...

3 years ago | 0

Answered

How user move lines that is drawed in a figure interactivly and extract the data of new location of lines ?

Take a look at doc impoly or doc imline For example: imshow('gantrycrane.png'); impoly

How user move lines that is drawed in a figure interactivly and extract the data of new location of lines ?

Take a look at doc impoly or doc imline For example: imshow('gantrycrane.png'); impoly

3 years ago | 1

| accepted

Answered

Access Time Table elements in a struct array

You could use arrayfun to put the elements you need in cells and then combine them using cell2mat: a(1:5) = struct('myFiel...

Access Time Table elements in a struct array

You could use arrayfun to put the elements you need in cells and then combine them using cell2mat: a(1:5) = struct('myFiel...

3 years ago | 0

Answered

How to plot three y-axes in one figure, where each one y-axis have three lines to be plotted?

Check out doc subplot For your example: figure(1); subplot(3, 1, 1) plot(x,y11,y12,y13);%1st y-axis subplot(3, ...

How to plot three y-axes in one figure, where each one y-axis have three lines to be plotted?

Check out doc subplot For your example: figure(1); subplot(3, 1, 1) plot(x,y11,y12,y13);%1st y-axis subplot(3, ...

3 years ago | 0

Answered

Making a more user friendly simulink model

Select the subsystem and press mask>edit mask or CTRL+M. Then go to parameters & dialog and you can add some _Edit_ parameters c...

Making a more user friendly simulink model

Select the subsystem and press mask>edit mask or CTRL+M. Then go to parameters & dialog and you can add some _Edit_ parameters c...

3 years ago | 0

Answered

How can I invert the following matrix ?

The system of equations does not have a solution, they are linearly dependent. What do you mean by _"the result is not the resul...

How can I invert the following matrix ?

The system of equations does not have a solution, they are linearly dependent. What do you mean by _"the result is not the resul...

3 years ago | 0

Answered

Can anyone explain the loops in this code?

They're counting the number of white points, black points and matched data, but they could be replaced by using logical indexing...

Can anyone explain the loops in this code?

They're counting the number of white points, black points and matched data, but they could be replaced by using logical indexing...

3 years ago | 0

Answered

How to optimise a definite integral?

You don't need to have the analytical result, simply pass the integral as the objective function with a function handle and k2 a...

How to optimise a definite integral?

You don't need to have the analytical result, simply pass the integral as the objective function with a function handle and k2 a...

3 years ago | 0

Answered

Plot a line between 2 points and extend the line a determined distance

I would first read the documentation before grabbing stuff off file exchange if I were you, because the fillline is really not n...

Plot a line between 2 points and extend the line a determined distance

I would first read the documentation before grabbing stuff off file exchange if I were you, because the fillline is really not n...

3 years ago | 0

Answered

Nested for loop produces plot that is shifted horizontally

You evaluated at the index of the timevector, rather than at the time itself. You could write |time(time_point)| instead to get ...

Nested for loop produces plot that is shifted horizontally

You evaluated at the index of the timevector, rather than at the time itself. You could write |time(time_point)| instead to get ...

3 years ago | 0

| accepted

Answered

FFT of sine function

You'll get both positive and negative frequencies, see doc fft for an example of a single-sided spectrum, i.e. only po...

FFT of sine function

You'll get both positive and negative frequencies, see doc fft for an example of a single-sided spectrum, i.e. only po...

3 years ago | 0

Answered

Getting the real solutions of non-polynomial equations

What do you mean when you say you only want real solutions, don't you just want the correct solutions? You could take the real p...

Getting the real solutions of non-polynomial equations

What do you mean when you say you only want real solutions, don't you just want the correct solutions? You could take the real p...

3 years ago | 0

Answered

How can I find the area above the parabolic curve for this particular case?

An elegant way to do this is via function handles: x = linspace(0, 11, 100); y = @(x) .0012*x.^1.5; yforArea = @...

How can I find the area above the parabolic curve for this particular case?

An elegant way to do this is via function handles: x = linspace(0, 11, 100); y = @(x) .0012*x.^1.5; yforArea = @...

3 years ago | 0

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Answered

Query regarding solving differential equation

I'm guessing you are trying to use ode45 with variable timestep, make sure to pass y and dy/dx as an interpolation function such...

Query regarding solving differential equation

I'm guessing you are trying to use ode45 with variable timestep, make sure to pass y and dy/dx as an interpolation function such...

3 years ago | 0

Answered

How to model human leg joint stiction?

Are you sure you want to use first generation Multibody software? In second generation you can use the <https://nl.mathworks.com...

How to model human leg joint stiction?

Are you sure you want to use first generation Multibody software? In second generation you can use the <https://nl.mathworks.com...

3 years ago | 0

Answered

Sort the array by template

a1 = [1 4 2 5 7]; b1 = 1:5; mySecretOrder = [1 3 2 5 4]; a2 = a1(mySecretOrder); [~, order] = ismember(a2, a1)...

Sort the array by template

a1 = [1 4 2 5 7]; b1 = 1:5; mySecretOrder = [1 3 2 5 4]; a2 = a1(mySecretOrder); [~, order] = ismember(a2, a1)...

3 years ago | 3

Answered

Need Help this assigment

GMDP is a struct GMDP.Ploc is a field of GMDP GMDP.Ploc{1} is a cell containing a 3D array GMDP.Ploc{1}(:,:,1) is...

Need Help this assigment

GMDP is a struct GMDP.Ploc is a field of GMDP GMDP.Ploc{1} is a cell containing a 3D array GMDP.Ploc{1}(:,:,1) is...

3 years ago | 1

| accepted

Answered

How can I clear an entire table column without deleting the variable?

You can simply overwrite the values by indexing with curly braces if that is what you want t = table(rand(6, 1), rand(6, 1)...

How can I clear an entire table column without deleting the variable?

You can simply overwrite the values by indexing with curly braces if that is what you want t = table(rand(6, 1), rand(6, 1)...

3 years ago | 0

Answered

Curve fitting to data

What you are looking for is just a linear fit to your exponential function, you can do this by using the |mldivide| operator "\"...

Curve fitting to data

What you are looking for is just a linear fit to your exponential function, you can do this by using the |mldivide| operator "\"...

3 years ago | 2

| accepted

Answered

How to replace findpeaks() with another function

<https://nl.mathworks.com/matlabcentral/fileexchange?term=peak+find> Any of these options on the file exchange might help you...

How to replace findpeaks() with another function

<https://nl.mathworks.com/matlabcentral/fileexchange?term=peak+find> Any of these options on the file exchange might help you...

3 years ago | 0

| accepted

Answered

Function Changem or substitute values of a matrix

|changem| is part of the Mapping toolbox, type ver to see which toolboxes you have installed.

Function Changem or substitute values of a matrix

|changem| is part of the Mapping toolbox, type ver to see which toolboxes you have installed.

3 years ago | 0

Answered

How do I collaborate on matlab?

Well, MATLAB does have <https://nl.mathworks.com/help/matlab/source-control.html source control integration> , so you could use ...

How do I collaborate on matlab?

Well, MATLAB does have <https://nl.mathworks.com/help/matlab/source-control.html source control integration> , so you could use ...

3 years ago | 0

Answered

How can I visualize the trajectory of a moving frame when doing the Simscape Multibody simulation?

Simply plot the data after exporting to workspace: plot(xout.data, yout.data)

How can I visualize the trajectory of a moving frame when doing the Simscape Multibody simulation?

Simply plot the data after exporting to workspace: plot(xout.data, yout.data)

3 years ago | 0