Answered

Finding values corresponding to row and column index of a matrix

Have a look at the sub2ind function: A = [1 12 23 19 1 13; 2 3 13 34 5 75; 5 22 45 5 1 94; 4 5 68 2 5 17; 2 4 34 1...

Finding values corresponding to row and column index of a matrix

Have a look at the sub2ind function: A = [1 12 23 19 1 13; 2 3 13 34 5 75; 5 22 45 5 1 94; 4 5 68 2 5 17; 2 4 34 1...

1 day ago | 0

| accepted

Answered

Signal audio - effect downsampling ?

What exactly do you want to achieve? You see, downsampling the signal alone doesn't increases the frequency of it. This effects ...

Signal audio - effect downsampling ?

What exactly do you want to achieve? You see, downsampling the signal alone doesn't increases the frequency of it. This effects ...

1 day ago | 1

Answered

how to extract variables from cell (dot operators)

You don't need to pre allocate since the best models are already in your cell array. I believe what you want may be something li...

how to extract variables from cell (dot operators)

You don't need to pre allocate since the best models are already in your cell array. I believe what you want may be something li...

1 day ago | 1

| accepted

Answered

I want to know how to overcome executable standalone app - image write path error?

The problem is the userpath function. As stated in the error, you can't modify a matlab path in your deployed application, regar...

I want to know how to overcome executable standalone app - image write path error?

The problem is the userpath function. As stated in the error, you can't modify a matlab path in your deployed application, regar...

1 day ago | 0

| accepted

Answered

how to manipulate Recursive function parameters ?

You didn't post the whole function, but regardless of this: It is possible to call a function without passing all the parameters...

how to manipulate Recursive function parameters ?

You didn't post the whole function, but regardless of this: It is possible to call a function without passing all the parameters...

1 day ago | 1

| accepted

Answered

Finding the point before landing

You used the function, not the calculated variables to find the index. Your point definiton was also a bit off. This version of ...

Finding the point before landing

You used the function, not the calculated variables to find the index. Your point definiton was also a bit off. This version of ...

8 days ago | 0

Answered

How to produce a scatter plot with smooth line for this plot?

Those smooth lines are interpolations between the given points. For you to have a similar result, what you need to do is find an...

How to produce a scatter plot with smooth line for this plot?

Those smooth lines are interpolations between the given points. For you to have a similar result, what you need to do is find an...

8 days ago | 0

| accepted

Answered

Not enough input arguments.

Your Model_Inc function is not correct written, since it always return zero for a dummy variable you created in the beggining. I...

Not enough input arguments.

Your Model_Inc function is not correct written, since it always return zero for a dummy variable you created in the beggining. I...

8 days ago | 0

Answered

keep element greater than immediate previous element

This loops does what you want: x = [1 2 3 4 3 2 3 4 6 8 5 5 6 8.5 9 11 12 ]; m = length(x); keep = [x(1)]; discard =[];...

keep element greater than immediate previous element

This loops does what you want: x = [1 2 3 4 3 2 3 4 6 8 5 5 6 8.5 9 11 12 ]; m = length(x); keep = [x(1)]; discard =[];...

8 days ago | 0

| accepted

Answered

fmin additional variables ( are vector)

Your first attempt was right [X fval exitflag output lambda grad hessian] = fmincon(@(x) fun(x,g_14,k_4) , x0, A, b, Aeq, beq,l...

fmin additional variables ( are vector)

Your first attempt was right [X fval exitflag output lambda grad hessian] = fmincon(@(x) fun(x,g_14,k_4) , x0, A, b, Aeq, beq,l...

15 days ago | 1

| accepted

Answered

Store user input data into matrix

Your loop position was wrong and you should save values as strings, not cells. This version of your code works: n=2; filename=...

Store user input data into matrix

Your loop position was wrong and you should save values as strings, not cells. This version of your code works: n=2; filename=...

15 days ago | 0

| accepted

Answered

How to solve a system of equations when multiple parameters changes

A for loop work, maybe you had some trouble with the indexes w_1=[1,2]; w_2=[2,3]; w_3=[3,3]; w_4=[4,5]; w_5=[5,6]; w_6=...

How to solve a system of equations when multiple parameters changes

A for loop work, maybe you had some trouble with the indexes w_1=[1,2]; w_2=[2,3]; w_3=[3,3]; w_4=[4,5]; w_5=[5,6]; w_6=...

15 days ago | 0

| accepted

Answered

Grouping sequence within interval

Something like this should do the trick for you V1 = [0.73 0.74 0.77 0.78 0.79 11.17 11.18 11.19 11.20 11.22 11.23];...

Grouping sequence within interval

Something like this should do the trick for you V1 = [0.73 0.74 0.77 0.78 0.79 11.17 11.18 11.19 11.20 11.22 11.23];...

15 days ago | 0

Answered

How do I round off the answer for the depth to within 2mm?

If you want to round to a specific unit (m, mm, etc), you can do this by just adding an extra parameter to the round function wi...

How do I round off the answer for the depth to within 2mm?

If you want to round to a specific unit (m, mm, etc), you can do this by just adding an extra parameter to the round function wi...

15 days ago | 0

| accepted

Answered

How do I make a scatter 3D plot move towards a line

It mostly depends of what points should move (only neighbours or all of them), but after you decide it you can calculate the clo...

How do I make a scatter 3D plot move towards a line

It mostly depends of what points should move (only neighbours or all of them), but after you decide it you can calculate the clo...

22 days ago | 0

Answered

Particle size calculation from given image

The size for each particle is a task which is extremely hard to automatize, you will always get some error due to different ligh...

Particle size calculation from given image

The size for each particle is a task which is extremely hard to automatize, you will always get some error due to different ligh...

22 days ago | 0

Answered

Mean absolute value for ecg signal

Your code is okay with exception of the length. If you have a sampling rate of 250 Hz (or, in another way of expression, values ...

Mean absolute value for ecg signal

Your code is okay with exception of the length. If you have a sampling rate of 250 Hz (or, in another way of expression, values ...

22 days ago | 0

Answered

How to work with Matrices that have a great difference in element size (e.g. 1 to 10e+15)?

I don't believe you're facing problems due to the difference of magnitudes, but rather because your problem may be very ill-cond...

How to work with Matrices that have a great difference in element size (e.g. 1 to 10e+15)?

I don't believe you're facing problems due to the difference of magnitudes, but rather because your problem may be very ill-cond...

29 days ago | 0

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Answered

Nonlinear multiobjective optimization - Gamultiobj - Options

If you write your optimization problem like this: x = gamultiobj(fun,nvars) You're basically telling the optimizer that you ha...

Nonlinear multiobjective optimization - Gamultiobj - Options

If you write your optimization problem like this: x = gamultiobj(fun,nvars) You're basically telling the optimizer that you ha...

29 days ago | 0

Answered

How to generate lines between a fixed point and evenly spaced points on a line

If I understood your question right you mean something like this? clc; xlim([0, 100]); ylim([0, 100]); hold on Ax=0; Ay...

How to generate lines between a fixed point and evenly spaced points on a line

If I understood your question right you mean something like this? clc; xlim([0, 100]); ylim([0, 100]); hold on Ax=0; Ay...

29 days ago | 1

| accepted

Answered

PLOTTING A SINE WAVE USING TRIGNOMETRIC FOURIER SERIES

You have an analytical waveform, so you can generate it for 4 cycles without using any fourier function. Then, if you use the ff...

PLOTTING A SINE WAVE USING TRIGNOMETRIC FOURIER SERIES

You have an analytical waveform, so you can generate it for 4 cycles without using any fourier function. Then, if you use the ff...

29 days ago | 0

Answered

how to imput a matrix end outpur four arguments

The main function creation in matlab has the following form: function output = FuncName(input) output = f(input) end Input...

how to imput a matrix end outpur four arguments

The main function creation in matlab has the following form: function output = FuncName(input) output = f(input) end Input...

29 days ago | 0

Answered

Optimization of 4 variables by minimizing RMSE error as an objective function using fminsearch

Some points: Your rmse function is not returning any value You need to pass a function to the optimization function that takes...

Optimization of 4 variables by minimizing RMSE error as an objective function using fminsearch

Some points: Your rmse function is not returning any value You need to pass a function to the optimization function that takes...

1 month ago | 0

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Answered

I'm getting an error in obtaining the optimal solution for a nonlinear equation

You have an error in your wolf loop. It should be like this: while ( ( ( fh > f + c*alpha0*gradx'*p ) || ( abs(gradk)'*p > cu*a...

I'm getting an error in obtaining the optimal solution for a nonlinear equation

You have an error in your wolf loop. It should be like this: while ( ( ( fh > f + c*alpha0*gradx'*p ) || ( abs(gradk)'*p > cu*a...

1 month ago | 0

| accepted

Answered

odeEueler Explicit Eurlers method

You had many syntax errors on your code. Here is a version with them fixed and it should work. Although a negative weighting is ...

odeEueler Explicit Eurlers method

You had many syntax errors on your code. Here is a version with them fixed and it should work. Although a negative weighting is ...

1 month ago | 0

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Answered

Filter time-variant data and reduce its length

Take a look at medfilt1 and/or movmean. They sould help you reduce the fluctuations. To reduce the data length you just index th...

Filter time-variant data and reduce its length

Take a look at medfilt1 and/or movmean. They sould help you reduce the fluctuations. To reduce the data length you just index th...

1 month ago | 0

Answered

How to use function like `min` in symfun?(I got an error)

You can't use min or max in symbolic variables in matlab. A work around can be this one: syms x1 x2 real; xlt = symfun(1/2*(x1...

How to use function like `min` in symfun?(I got an error)

You can't use min or max in symbolic variables in matlab. A work around can be this one: syms x1 x2 real; xlt = symfun(1/2*(x1...

1 month ago | 1

| accepted

Answered

Minimum of a function

You had some typos in your constrain function and also you don't need to create a function file for your function since you alre...

Minimum of a function

You had some typos in your constrain function and also you don't need to create a function file for your function since you alre...

1 month ago | 1

| accepted

Answered

How do I fix the array error?

Look this part as example: for t = ProjectedTime HatchVec = Hatchling - (Hatchling .* 0.675) - (Hatchling .* 0.325) + (Bre...

How do I fix the array error?

Look this part as example: for t = ProjectedTime HatchVec = Hatchling - (Hatchling .* 0.675) - (Hatchling .* 0.325) + (Bre...

1 month ago | 0

| accepted

Answered

how to fit a Nonlinear model with multiple input and single output by using dataset in matlab

Without your data nor any code is difficult to specifically help you. Still, a general thing you may do, if you already have the...

how to fit a Nonlinear model with multiple input and single output by using dataset in matlab

Without your data nor any code is difficult to specifically help you. Still, a general thing you may do, if you already have the...

1 month ago | 0