Answered

How to randomize audio files

It looks to me that the line aud_file=strcat('C:\toolbox\aud_file\',audio_files(i).name); is where you get a song. Since the ...

How to randomize audio files

It looks to me that the line aud_file=strcat('C:\toolbox\aud_file\',audio_files(i).name); is where you get a song. Since the ...

2 years ago | 1

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Answered

Trajectory animation using coordinate points

I would do it like this: % x1,x2,y1,y2,z1,z2 are your coordinate vectors tstep = .1; % the amount of time between each value i...

Trajectory animation using coordinate points

I would do it like this: % x1,x2,y1,y2,z1,z2 are your coordinate vectors tstep = .1; % the amount of time between each value i...

2 years ago | 1

Answered

How would you plot a graph which a ball then rolls down (say a y=x^2 graph)

I attached a .m file I created that should work pretty well. It uses a numerical solution by calculating the slope at discrete t...

How would you plot a graph which a ball then rolls down (say a y=x^2 graph)

I attached a .m file I created that should work pretty well. It uses a numerical solution by calculating the slope at discrete t...

2 years ago | 1

Answered

Sorting a table in Matlab

Yes, you can do it with the sortrows function. Here is an example: A = [1 2 4 5 3 6 5 6]; B = {'a', 'b', 'c', 'e', 'f', 'ba', ...

Sorting a table in Matlab

Yes, you can do it with the sortrows function. Here is an example: A = [1 2 4 5 3 6 5 6]; B = {'a', 'b', 'c', 'e', 'f', 'ba', ...

2 years ago | 0

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Answered

So i wanted to add a column to this table.

So one big problem here is that you do not have a table. You have a matrix. And matrices cannot have strings and numbers in them...

So i wanted to add a column to this table.

So one big problem here is that you do not have a table. You have a matrix. And matrices cannot have strings and numbers in them...

2 years ago | 1

Answered

hey guys im trying to plot this in 3D but i keep getting an error, "Data cannot have more than 2 dimensions."

So the issue is that plot3 takes either a vector or a 2d matrix. Since you are plotting it as points you do not actually need to...

hey guys im trying to plot this in 3D but i keep getting an error, "Data cannot have more than 2 dimensions."

So the issue is that plot3 takes either a vector or a 2d matrix. Since you are plotting it as points you do not actually need to...

2 years ago | 2

| accepted

Answered

Index exceeds matrix dimensions

It appears that for some reason fileNameArray is not being populated with values in the line fileNameArray = dir('*.dat'); Ma...

Index exceeds matrix dimensions

It appears that for some reason fileNameArray is not being populated with values in the line fileNameArray = dir('*.dat'); Ma...

2 years ago | 0

Answered

How to find specific values in a table, and create an array from rows containing those values?

Here is my go at it. % Create my table so you know what I am testing with. names = {'ssrp' , 'ssrp','tghh'}'; values = [123, ...

How to find specific values in a table, and create an array from rows containing those values?

Here is my go at it. % Create my table so you know what I am testing with. names = {'ssrp' , 'ssrp','tghh'}'; values = [123, ...

2 years ago | 0

| accepted

Answered

Index exceeds array bounds error

The problem is a0. In the line hzrd(i,j)=exp(a(i)+b*w(i,j)) ; a needs to be have at least k elements for it to work. You set ...

Index exceeds array bounds error

The problem is a0. In the line hzrd(i,j)=exp(a(i)+b*w(i,j)) ; a needs to be have at least k elements for it to work. You set ...

2 years ago | 1

| accepted

Answered

how to store multpile files which has been loaded first in the same script ,in the new variable , through loop

So, I believe this answer could be done using the eval function but since that function is highly discouraged here is my attempt...

how to store multpile files which has been loaded first in the same script ,in the new variable , through loop

So, I believe this answer could be done using the eval function but since that function is highly discouraged here is my attempt...

2 years ago | 0

Answered

Why are spaces ignored when a character string is scanned?

This is because of the way fscanf reads it in. If you go to the linked documentation and scroll down to Character Fields, it not...

Why are spaces ignored when a character string is scanned?

This is because of the way fscanf reads it in. If you go to the linked documentation and scroll down to Character Fields, it not...

2 years ago | 0

Answered

How many years to double initial investment with various interest rates

If I understand the equation you posted correctly lets walk through this. S = total amount after n years if P was initially inve...

How many years to double initial investment with various interest rates

If I understand the equation you posted correctly lets walk through this. S = total amount after n years if P was initially inve...

2 years ago | 0

Answered

Generating a grid around circles in an image

So I felt like making it interactive so I used the built in guide function in matlab to create a GUI. Attached are the two files...

Generating a grid around circles in an image

So I felt like making it interactive so I used the built in guide function in matlab to create a GUI. Attached are the two files...

2 years ago | 1

| accepted

Answered

What sort of a filter/method can be applied to smoothen sharp peaks on a surface?

In general, if you want to smooth out peaks you want to get rid of the high frequency content, aka a low pass filter. The easies...

What sort of a filter/method can be applied to smoothen sharp peaks on a surface?

In general, if you want to smooth out peaks you want to get rid of the high frequency content, aka a low pass filter. The easies...

2 years ago | 0

Answered

How to plot for different values of parameters on one run?

Matlab actually has a page on this called Parameterizing Functions. Using one of the options for that I believe this will do i...

How to plot for different values of parameters on one run?

Matlab actually has a page on this called Parameterizing Functions. Using one of the options for that I believe this will do i...

2 years ago | 0

| accepted

Answered

How to create an animated plot of a temperature data with holding on each year?

Alright lets see how much I can help with. First off to gradient between colors I have a little way down below. I get the rgb ...

How to create an animated plot of a temperature data with holding on each year?

Alright lets see how much I can help with. First off to gradient between colors I have a little way down below. I get the rgb ...

2 years ago | 1

| accepted

Answered

can someone please help me to find out mistake

Here you go. A few things needed to be changed. First the change that Torsten initially pointed out. Then we further change it t...

can someone please help me to find out mistake

Here you go. A few things needed to be changed. First the change that Torsten initially pointed out. Then we further change it t...

2 years ago | 0

Answered

storing output of for loop

I believe your goal can be more easily solved using the built in Matlab function reshape. It looks to me like you have a 1x30000...

storing output of for loop

I believe your goal can be more easily solved using the built in Matlab function reshape. It looks to me like you have a 1x30000...

2 years ago | 0

| accepted

Answered

Is it possible to run a function that requires input variables when they are declared later in the function?

It looks to me that the main problem is that you are using the first function wrong. When you define the function function [ar...

Is it possible to run a function that requires input variables when they are declared later in the function?

It looks to me that the main problem is that you are using the first function wrong. When you define the function function [ar...

2 years ago | 0

| accepted

Answered

Log Simulink simulation data to structure element

The way that I would do it is this. In your main simulink model, right click anywhere go to ModelProperties -> Callbacks -> Stop...

Log Simulink simulation data to structure element

The way that I would do it is this. In your main simulink model, right click anywhere go to ModelProperties -> Callbacks -> Stop...

2 years ago | 1

| accepted

Answered

different titles for animation

I would suggest creating the title like this: months = {'Jan', 'Feb', ...}; years = num2str((1979:2018)'); for i = 1:40 ...

different titles for animation

I would suggest creating the title like this: months = {'Jan', 'Feb', ...}; years = num2str((1979:2018)'); for i = 1:40 ...

2 years ago | 1

| accepted

Answered

how to save the index during for loop?

A couple different things can fix this, but I would suggest this one just creating the variable a again after your for loop -> ...

how to save the index during for loop?

A couple different things can fix this, but I would suggest this one just creating the variable a again after your for loop -> ...

2 years ago | 0

Answered

how to solve Index exceeds the number of array elements (1).

What this error is saying is that at some point in that line you are exceeding the number of elements in an array. The (1) is in...

how to solve Index exceeds the number of array elements (1).

What this error is saying is that at some point in that line you are exceeding the number of elements in an array. The (1) is in...

2 years ago | 1

| accepted

Answered

How to display the two biggest blobs in terms of area?

In the line biggestBlob=ismember(labeledImage,indexOfBiggest(1)); you are finding the biggest by looking at the first index i...

How to display the two biggest blobs in terms of area?

In the line biggestBlob=ismember(labeledImage,indexOfBiggest(1)); you are finding the biggest by looking at the first index i...

2 years ago | 1

| accepted

Answered

Changing colors in a stacked bar graph to specific ones?

In order to figure out how that code works I'd suggest first adding a pause(1) before the end of the for loop. This way you can ...

Changing colors in a stacked bar graph to specific ones?

In order to figure out how that code works I'd suggest first adding a pause(1) before the end of the for loop. This way you can ...

2 years ago | 0

Answered

How to convert a continuous figure to discrete?

A couple different ways to do this. When plotting discrete values it is often preferred to use stem instead of plot. It does not...

How to convert a continuous figure to discrete?

A couple different ways to do this. When plotting discrete values it is often preferred to use stem instead of plot. It does not...

2 years ago | 0

| accepted

Answered

Adding columns to tables

Check out https://www.mathworks.com/help/matlab/matlab_prog/add-and-delete-table-variables.html if you have not. It has many wa...

Adding columns to tables

Check out https://www.mathworks.com/help/matlab/matlab_prog/add-and-delete-table-variables.html if you have not. It has many wa...

2 years ago | 0

Answered

Merge up sweep and down sweep together in the same figure to get a chirp up and down

It seems like everything you've done so far is good. To merge two matrices you can use this simple command: chirp = [Tx1 Tx2]; ...

Merge up sweep and down sweep together in the same figure to get a chirp up and down

It seems like everything you've done so far is good. To merge two matrices you can use this simple command: chirp = [Tx1 Tx2]; ...

2 years ago | 0

| accepted

Answered

Controlling a generic engine block

It sounds like you want a very binary controller. If a velocity is larger than a threshold do one thing, if not do another. If t...

Controlling a generic engine block

It sounds like you want a very binary controller. If a velocity is larger than a threshold do one thing, if not do another. If t...

2 years ago | 0

Answered

how to check every single element in a matrix vector wise

A matrix is indexed like this: A(row,column). So to traverse a single column you leave the second value the same while changing ...

how to check every single element in a matrix vector wise

A matrix is indexed like this: A(row,column). So to traverse a single column you leave the second value the same while changing ...

2 years ago | 1

| accepted