Answered

how to access cell array data with single for loop

You mean like for cnt=1:length(A) C=A{cnt}; D=B{cnt}; end Actually, there is no need for cell arrays here. In c...

how to access cell array data with single for loop

You mean like for cnt=1:length(A) C=A{cnt}; D=B{cnt}; end Actually, there is no need for cell arrays here. In c...

ungefär 9 år ago | 0

Answered

How do I read an image from a different folder into my .m file using Matlab in Ubuntu?

Possibly the file separator you use is wrong? In Unix systems you use "/" while in Windows you use "\". However, you write "dir(...

How do I read an image from a different folder into my .m file using Matlab in Ubuntu?

Possibly the file separator you use is wrong? In Unix systems you use "/" while in Windows you use "\". However, you write "dir(...

ungefär 9 år ago | 0

Answered

How can I plot loglog(x,y) with experimental data including negative and less than one

_Why_ do you want a logarithmic plot of this data? Usually, when using loglog (or semilog) the point is that a change from, let'...

How can I plot loglog(x,y) with experimental data including negative and less than one

_Why_ do you want a logarithmic plot of this data? Usually, when using loglog (or semilog) the point is that a change from, let'...

ungefär 9 år ago | 0

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Answered

Is it possible to delete "subplots"?

If you haven't already saved the handles when creating the axes, you can first get the handles with haxes=get(gcf,'children...

Is it possible to delete "subplots"?

If you haven't already saved the handles when creating the axes, you can first get the handles with haxes=get(gcf,'children...

ungefär 9 år ago | 3

Answered

Check if push button has an image on it or not

You need to use get and isequal: if isequal(get(handles.pushbutton1,'cdata'),[]) || isequal(get(handles.pushbutton2,'c...

Check if push button has an image on it or not

You need to use get and isequal: if isequal(get(handles.pushbutton1,'cdata'),[]) || isequal(get(handles.pushbutton2,'c...

ungefär 9 år ago | 0

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Answered

Problem executing if and elseif statements

You have conditions like 22.22>X(1,i)>11.11 What you actually mean, I guess, is 22.22>X(1,i) && X(1,i)>11.11| Le...

Problem executing if and elseif statements

You have conditions like 22.22>X(1,i)>11.11 What you actually mean, I guess, is 22.22>X(1,i) && X(1,i)>11.11| Le...

ungefär 9 år ago | 1

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Answered

How to insert LaTeX equation into static text/plot in GUI?

I guess you mean a uicontrol of style "text" with "static text", right? The first part of your question: You set the String ...

How to insert LaTeX equation into static text/plot in GUI?

I guess you mean a uicontrol of style "text" with "static text", right? The first part of your question: You set the String ...

ungefär 9 år ago | 1

Answered

if an array like [.002 1.1103 0.665 .002]. how can i get [a b c a]?

Does the output need to be ".002" or is "0.002" also fine? If there must not be the leading zero, what kind of array do you have...

if an array like [.002 1.1103 0.665 .002]. how can i get [a b c a]?

Does the output need to be ".002" or is "0.002" also fine? If there must not be the leading zero, what kind of array do you have...

ungefär 9 år ago | 0

Answered

how to modify a simple program--question is 'start point not provide'

It's just a warning, no big deal. Different kinds of fit algorithm exist, some need boundaries (so, the parameters can be betwee...

how to modify a simple program--question is 'start point not provide'

It's just a warning, no big deal. Different kinds of fit algorithm exist, some need boundaries (so, the parameters can be betwee...

ungefär 9 år ago | 0

Answered

Generating a 3D plot

I guess with "3D-plot" you mean a surface plot? So it would be like x=linspace(0,1,50); %I just choose random values here ...

Generating a 3D plot

I guess with "3D-plot" you mean a surface plot? So it would be like x=linspace(0,1,50); %I just choose random values here ...

ungefär 9 år ago | 0

Answered

Polar Coordinates: filling the areas with RGB color matrix

You can use patches, exactly. Here is an example for the outer ring, I assume that it reaches from r=0.8 to r=1. phi=linspa...

Polar Coordinates: filling the areas with RGB color matrix

You can use patches, exactly. Here is an example for the outer ring, I assume that it reaches from r=0.8 to r=1. phi=linspa...

ungefär 9 år ago | 0

Answered

Using Meshgrid for 3 variables

For simplicity, let's set a and L to [1 2 3] each, ok? And your function to get d is just summation. As your code snippet do...

Using Meshgrid for 3 variables

For simplicity, let's set a and L to [1 2 3] each, ok? And your function to get d is just summation. As your code snippet do...

ungefär 9 år ago | 0

Answered

Adding the columns of matrix and concatenating them

Each week, there are about 5-10 questions with this respect. The simple answer is, "not this way". The only way is an extensive ...

Adding the columns of matrix and concatenating them

Each week, there are about 5-10 questions with this respect. The simple answer is, "not this way". The only way is an extensive ...

ungefär 9 år ago | 1

Answered

how can jump and go to line

There is no jump keyword in Matlab. You can just check like N=input('enter the number :'); N1=find(XY(:,1)==N); %find t...

how can jump and go to line

There is no jump keyword in Matlab. You can just check like N=input('enter the number :'); N1=find(XY(:,1)==N); %find t...

ungefär 9 år ago | 0

| accepted

Answered

How can I calculate fzero from values of matrices in cell array?

Dear Beáta, Check this line (same holds for the next two lines): mat(i,j)=cv_o{jj}; As you said, cv_o{jj} will retu...

How can I calculate fzero from values of matrices in cell array?

Dear Beáta, Check this line (same holds for the next two lines): mat(i,j)=cv_o{jj}; As you said, cv_o{jj} will retu...

ungefär 9 år ago | 0

| accepted

Answered

Any Help with this question

It would be so much easier if you wouldn't post a screenshot but just the code as text. Then, somebody else could copy and possi...

Any Help with this question

It would be so much easier if you wouldn't post a screenshot but just the code as text. Then, somebody else could copy and possi...

ungefär 9 år ago | 0

Answered

I want to read each number seperated by , from my text file using Matlab. The content of the text file are as below. How can i read....

Why not just str=fileread('test.txt'); %read file str=regexprep(str,'[^0-9 ]',''); %remove everything but digits a...

I want to read each number seperated by , from my text file using Matlab. The content of the text file are as below. How can i read....

Why not just str=fileread('test.txt'); %read file str=regexprep(str,'[^0-9 ]',''); %remove everything but digits a...

ungefär 9 år ago | 0

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Answered

plot multiple equations in a for loop

Please, use the |{} Code| button above the field you're writing your question to make the post be readable. Also, you should...

plot multiple equations in a for loop

Please, use the |{} Code| button above the field you're writing your question to make the post be readable. Also, you should...

ungefär 9 år ago | 0

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Answered

using find function for char

line='10 L1 L2 L5 C1 C2 P2 C5 S1 S2'; strfind(line,'L2') ans = 13

using find function for char

line='10 L1 L2 L5 C1 C2 P2 C5 S1 S2'; strfind(line,'L2') ans = 13

ungefär 9 år ago | 1

Answered

how to store function [x] = input('blah')

You mean, like this? guess=inPut; Btw, your first while loop (the one outside showResults) is not necessary. You loop in...

how to store function [x] = input('blah')

You mean, like this? guess=inPut; Btw, your first while loop (the one outside showResults) is not necessary. You loop in...

ungefär 9 år ago | 0

Answered

How to form a Single matrix from Multiple matrices by taking perticular element from each matrix.???

I guess this particular definition of A is just an example, right? If it's really about these specific values, the final result ...

How to form a Single matrix from Multiple matrices by taking perticular element from each matrix.???

I guess this particular definition of A is just an example, right? If it's really about these specific values, the final result ...

ungefär 9 år ago | 0

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Answered

Adjusting if loop to calculate probability for each column of dynamic array

I cannot find a for loop in your code. Anyway, there's also no need for a loop, this can easily be vectorized. num_of_zero...

Adjusting if loop to calculate probability for each column of dynamic array

I cannot find a for loop in your code. Anyway, there's also no need for a loop, this can easily be vectorized. num_of_zero...

ungefär 9 år ago | 0

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Answered

Coordinate system in matlab

Usually there's a way to map one system to another, e.g. to go from a spherical system to a Cartesian, you'll use some (a)tan() ...

Coordinate system in matlab

Usually there's a way to map one system to another, e.g. to go from a spherical system to a Cartesian, you'll use some (a)tan() ...

ungefär 9 år ago | 0

Answered

Solving non linear equation system.

fsolve needs a function which has only one variable. Therefore, you need to change your definition to M=@(x)[sin(x(1))+x(2)-...

Solving non linear equation system.

fsolve needs a function which has only one variable. Therefore, you need to change your definition to M=@(x)[sin(x(1))+x(2)-...

ungefär 9 år ago | 0

Answered

How can I import .dat file without rounding the values where in the .dat file ?

Matlab doesn't round-off automatically. You might mean the values shown in the command window. But that's only the displayed val...

How can I import .dat file without rounding the values where in the .dat file ?

Matlab doesn't round-off automatically. You might mean the values shown in the command window. But that's only the displayed val...

ungefär 9 år ago | 0

Answered

Writing a Script for a Function

As this is a homework, I guess things like analytical solutions are not the key here. In principle, you can do this with ...

Writing a Script for a Function

As this is a homework, I guess things like analytical solutions are not the key here. In principle, you can do this with ...

ungefär 9 år ago | 0

| accepted

Answered

How do fix errors like this - "The expression to the left of the equals sign is not a valid target for an assignment.". The code is given below which is showing the mentioned error when executed.

The error description is pretty clear, on the left hand side you have something you cannot assign a value to. The left hand side...

How do fix errors like this - "The expression to the left of the equals sign is not a valid target for an assignment.". The code is given below which is showing the mentioned error when executed.

The error description is pretty clear, on the left hand side you have something you cannot assign a value to. The left hand side...

ungefär 9 år ago | 0

Answered

LOG vs LOG10 plot

loglog is to the base of 10 (just see the axis scale).

LOG vs LOG10 plot

loglog is to the base of 10 (just see the axis scale).

ungefär 9 år ago | 0

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Answered

How to create moving average filter in tide data?

If data is the array with your values and t is date/time: plot(t, smooth(data));

How to create moving average filter in tide data?

If data is the array with your values and t is date/time: plot(t, smooth(data));

ungefär 9 år ago | 0

| accepted