Answered

Read all text files in folder (nonsequential)

Based on what you said, if you have all the files in the same folder, you can open the folder in MATLAB and use <http://www.math...

Read all text files in folder (nonsequential)

Based on what you said, if you have all the files in the same folder, you can open the folder in MATLAB and use <http://www.math...

más de 8 años ago | 0

Question

Trying to open a .dll file in MATLAB but I'm unable to. The error shown is "undefined function 'simplelw' for input arguments of type 'double'."

Basically, I have this script and my line of code is: output=simplelw(sizex,sizey,seedx,seedy,wghtCoA,wghtCoB,wghtCoC,wgh...

más de 8 años ago | 1 answer | 0

Answered

Symbolic derivative of function using diff()

Why don't you just tell diff to take the second derivative immediately? Look under the Higher-Order Derivatives subsection for ...

Symbolic derivative of function using diff()

Why don't you just tell diff to take the second derivative immediately? Look under the Higher-Order Derivatives subsection for ...

más de 8 años ago | 1

Answered

Integration of a curve

You can use the <http://www.mathworks.com/help/matlab/ref/trapz.html trapz> function to give you the area under the curve. In th...

Integration of a curve

You can use the <http://www.mathworks.com/help/matlab/ref/trapz.html trapz> function to give you the area under the curve. In th...

más de 8 años ago | 0

| accepted

Answered

From Acceleration to Displacement Trapz Function

Consider using the <http://www.mathworks.com/help/matlab/ref/cumtrapz.html cumtrapz> function to find the displacement. % D...

From Acceleration to Displacement Trapz Function

Consider using the <http://www.mathworks.com/help/matlab/ref/cumtrapz.html cumtrapz> function to find the displacement. % D...

más de 8 años ago | 0

Answered

Undefined function 'shortestPath' for input arguments of type 'double'.

You don't have the matrix (I assume) shortestPath or N_cities defined anywhere in your code. So it's either a global variable or...

Undefined function 'shortestPath' for input arguments of type 'double'.

You don't have the matrix (I assume) shortestPath or N_cities defined anywhere in your code. So it's either a global variable or...

más de 8 años ago | 0

| accepted

Answered

How can I relate points of different matrices ?

If you know exactly what you want to switch, follow this example: A=[1 1; 2 2; 3 3] And you want to switch row 1 with ro...

How can I relate points of different matrices ?

If you know exactly what you want to switch, follow this example: A=[1 1; 2 2; 3 3] And you want to switch row 1 with ro...

más de 8 años ago | 0

| accepted

Answered

How to find the indices of element occuring once in a vector?

If you're looking specifically for the value of -1, you can use the following: index1=find(A==-1)

How to find the indices of element occuring once in a vector?

If you're looking specifically for the value of -1, you can use the following: index1=find(A==-1)

más de 8 años ago | 1

Answered

Export data from matlab to excel file

You can use the <http://www.mathworks.com/help/matlab/ref/xlswrite.html xlswrite> built-in MATLAB function and specify the file ...

Export data from matlab to excel file

You can use the <http://www.mathworks.com/help/matlab/ref/xlswrite.html xlswrite> built-in MATLAB function and specify the file ...

más de 8 años ago | 0

Answered

how can i show the result parameters in workspace?

You can do as Geoff mentioned in the comments. You can also tell the m file program to display the required values using <http:/...

how can i show the result parameters in workspace?

You can do as Geoff mentioned in the comments. You can also tell the m file program to display the required values using <http:/...

más de 8 años ago | 0

Answered

How to save multiple images in a loop without over writing the previous ones?

Have you considered creating a 3D matrix with pages? Something like initializing a loop variable for each image? For example: ...

How to save multiple images in a loop without over writing the previous ones?

Have you considered creating a 3D matrix with pages? Something like initializing a loop variable for each image? For example: ...

más de 8 años ago | 0

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Answered

Save data from a for loop in the same file

I know there is a way to do it, but my brain is failing me at the moment. What you can do instead is hold all the T values in a ...

Save data from a for loop in the same file

I know there is a way to do it, but my brain is failing me at the moment. What you can do instead is hold all the T values in a ...

más de 8 años ago | 0

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Answered

Filter out negative values

You can try using the <http://www.mathworks.com/help/curvefit/subplus.html subplus> function. For example, you would use ...

Filter out negative values

You can try using the <http://www.mathworks.com/help/curvefit/subplus.html subplus> function. For example, you would use ...

más de 8 años ago | 1

Answered

view full matrix and trough columns

I'm not sure if you can make it scroll through the screen, but you can adjust the font size on your console so that all the numb...

view full matrix and trough columns

I'm not sure if you can make it scroll through the screen, but you can adjust the font size on your console so that all the numb...

más de 8 años ago | 0

Answered

How to store values from a loop?

There are two ways to do this, the following is the less efficient way x=[]; if true for y=2:0.1:10 x=[x; fzero(@(m) Y(m...

How to store values from a loop?

There are two ways to do this, the following is the less efficient way x=[]; if true for y=2:0.1:10 x=[x; fzero(@(m) Y(m...

más de 8 años ago | 2

Answered

64-bit MATLAB student version

It seems that the only available version is 32-bit based on this <http://www.mathworks.com/matlabcentral/answers/94005 post>

64-bit MATLAB student version

It seems that the only available version is 32-bit based on this <http://www.mathworks.com/matlabcentral/answers/94005 post>

casi 9 años ago | 0

Answered

How to show exact answers in MATLAB

Why don't you try an approach where you use square the matrix to find out what the numbers are? For example MatrixSquare...

How to show exact answers in MATLAB

Why don't you try an approach where you use square the matrix to find out what the numbers are? For example MatrixSquare...

alrededor de 9 años ago | 1

Answered

how to write a program to double integrate sin(omega*t+epsilon)

Look at the <http://www.mathworks.com/help/matlab/ref/integral2.html integral2> function

how to write a program to double integrate sin(omega*t+epsilon)

Look at the <http://www.mathworks.com/help/matlab/ref/integral2.html integral2> function

alrededor de 9 años ago | 0

Answered

Going up from negative in for loop counter

When you plot, you`re only plotting the last point because the variable y is inside the for loop (and is not a matrix). Other th...

Going up from negative in for loop counter

When you plot, you`re only plotting the last point because the variable y is inside the for loop (and is not a matrix). Other th...

alrededor de 9 años ago | 0

Answered

how can i display and customize axis values in imshow image

axis on In the command window should give you the result.

how can i display and customize axis values in imshow image

axis on In the command window should give you the result.

alrededor de 9 años ago | 2

Question

What happens if a MATLAB executable (GUI for example) runs into an erro while running?

Hello, If I were to compile an executable (GUI for example) which asks the user to load a file, then, when processing the dat...

alrededor de 9 años ago | 1 answer | 0

Answered

Undefined function 'curveintersect' for input arguments of type 'double'.

curveintersect is not a built-in function in MATLAB, so you cannot use it unless you have made a function file yourself. Perh...

Undefined function 'curveintersect' for input arguments of type 'double'.

curveintersect is not a built-in function in MATLAB, so you cannot use it unless you have made a function file yourself. Perh...

más de 9 años ago | 0

Answered

Changing a specific value in a matrix

Let your data be in matrix A, and x,y are the indices where you want to change the value A(x,y)=2 %2 is just a random numbe...

Changing a specific value in a matrix

Let your data be in matrix A, and x,y are the indices where you want to change the value A(x,y)=2 %2 is just a random numbe...

más de 9 años ago | 0

| accepted

Answered

starting MATLAB and not experienced in programming

I would suggest starting with these: http://www.mathworks.com/help/pdf_doc/allpdf.html

starting MATLAB and not experienced in programming

I would suggest starting with these: http://www.mathworks.com/help/pdf_doc/allpdf.html

más de 9 años ago | 0

Answered

Save While-loop to vector

Change it to the following: VelocityVector=[]; while Velocity2>=-20 Velocity2=hastighet(acceleration(0,m,g),t,v0,t0); ...

Save While-loop to vector

Change it to the following: VelocityVector=[]; while Velocity2>=-20 Velocity2=hastighet(acceleration(0,m,g),t,v0,t0); ...

más de 9 años ago | 4

| accepted

Answered

Non continous range random number generation

If you have the statistics toolbox, you can use the following idea: randsample([2 3 5 6 7 8 9 10], 5, 1) This produces 5...

Non continous range random number generation

If you have the statistics toolbox, you can use the following idea: randsample([2 3 5 6 7 8 9 10], 5, 1) This produces 5...

más de 9 años ago | 0

Answered

How can i plot peaks?

MaxValue=max(d); IndexMaxValue=find(d==MaxValue) % Creates a red circle where the max is. plot(handles.axes1, omega.*t(Inde...

How can i plot peaks?

MaxValue=max(d); IndexMaxValue=find(d==MaxValue) % Creates a red circle where the max is. plot(handles.axes1, omega.*t(Inde...

más de 9 años ago | 0

Answered

finding the string from the text file

A=fileread(filename) B=strfind(A, WordString) I would suggest looking at the <http://www.mathworks.com/help/matlab/ref/str...

finding the string from the text file

A=fileread(filename) B=strfind(A, WordString) I would suggest looking at the <http://www.mathworks.com/help/matlab/ref/str...

más de 9 años ago | 1

Answered

I am unable to store values for every iteration, values are overwritten in each iteration.

This is only one of *many* ways (I would suggest pre-locating but I need more of the code) *Before *the for loop, add this line...

I am unable to store values for every iteration, values are overwritten in each iteration.

This is only one of *many* ways (I would suggest pre-locating but I need more of the code) *Before *the for loop, add this line...

más de 9 años ago | 1

Answered

How can I create a matrix using nested loop functions?

With making the least amount of changes to your code, add this line before the for loop NC=[]; And change the NC=[X(i) Y...

How can I create a matrix using nested loop functions?

With making the least amount of changes to your code, add this line before the for loop NC=[]; And change the NC=[X(i) Y...

más de 9 años ago | 1

| accepted