Gelöst

Add two numbers
Given a and b, return the sum a+b in c.

fast 10 Jahre vor

Gelöst

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

fast 10 Jahre vor

Gelöst

Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

fast 10 Jahre vor

Gelöst

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

fast 10 Jahre vor

Gelöst

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

fast 10 Jahre vor

Gelöst

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

fast 10 Jahre vor

Frage

locate particles in squares (combinatorics)
I have a problem: I have a lot of particles with given coordinates (x,y). My (x,y) plane is divided into a bunch of squares 32x...

fast 10 Jahre vor | 1 Antwort | 0

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Beantwortet
How do I store user input values from a for loop?
Create a vector to store your data,say,a: a=zeros(x,1) in for loop save values on each step: for R=1:x a(R)=input('W...

fast 10 Jahre vor | 0

Beantwortet
Extract multiple data series from *.fig
1) get id of your axes: a=get(gcf,'Children') 2) get data you needed: y=(get(a(1),'Children'),'YData') If there is ...

fast 10 Jahre vor | 0

Beantwortet
Double integral of a simple function
integral2 http://www.mathworks.com/help/matlab/ref/integral2.html

fast 10 Jahre vor | 0

Beantwortet
Help: Display a different layout when pushing a button in a GUI?
Didn't see your code. In your push button callback function write: set("edit box id",'String','tab2'), where "edit box id" is yo...

fast 10 Jahre vor | 0

Frage

Debug mode in code with blocks(cells)
Hi, I often use blocks (cells?) (%%) in my programm. When I want to debug,say,third block, I insert breakpoint somewhere in this...

fast 10 Jahre vor | 2 Antworten | 1

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Antworten

Beantwortet
Delet zeros after final number
There are plenty of ways to do that. For instance, find(A) will find indexes of all nonzero elements. So you can write: B= A(...

fast 10 Jahre vor | 0

Frage

Subtract column from a matrix
In matlab it is easy to subtract number from column or row. I want to subtract column [n x 1] from a matrix [n x m]. Is it possi...

fast 10 Jahre vor | 2 Antworten | 0

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Antworten

Beantwortet
mean without stable step
You can write a=mean(M,2) - this will find mean of matrix M along each column. And then take only values you need. For 3033*2005...

fast 10 Jahre vor | 0

Beantwortet
Find a real number
You can adopt rand function: 10*rand+10 will give you random real number from 10 to 20 randi(10) will give you random integer...

fast 10 Jahre vor | 0

| akzeptiert

Beantwortet
convert number to string but keep it the same as it is
You can convert each number separetely in the for loop. for i=1:numel(M) out(:,i)=int2Str(M(i)) end And you will h...

fast 10 Jahre vor | 0

Beantwortet
how to save the content of the current figure as an image?
If you want to save in with your hands - just click file-> save figure. Or use http://www.mathworks.com/help/matlab/ref/imwri...

fast 10 Jahre vor | 0

Frage

Cannot set axes limits
Hi, I am working with GUI interface. I want to set ,y own xlimits and ylimits. But I cannot do it: figure('name','MomentFinde...

fast 10 Jahre vor | 1 Antwort | 0

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Beantwortet
matrix with different randperm rows
Yes, try http://www.mathworks.com/help/matlab/ref/perms.html

fast 10 Jahre vor | 0

Beantwortet
GUI how can I connect check boxes to uitable?
Try to define them as children of uitable. Similar to uipanel (see example on this page http://www.mathworks.com/help/matlab/ref...

fast 10 Jahre vor | 0

Beantwortet
How to make 'blue' variable?
<</matlabcentral/answers/uploaded_files/18181/Untitled.png>> Look! only 1 global variable is defined, however you can see a l...

fast 10 Jahre vor | 0

Frage

How to make 'blue' variable?
Hi all, I'm trying to make my own ImageViewer. Using some program as a template, I saw a lot of 'blue' variables in it (when I p...

fast 10 Jahre vor | 2 Antworten | 0

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Antworten

Frage

Scrolling and choosing image to display on figure.
Hi there, I have a bunch of images. After some processing, I want to display them. However there are a lot of them. So I want to...

fast 10 Jahre vor | 2 Antworten | 0

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Beantwortet
how to create text file
Hi, http://www.mathworks.com/help/matlab/ref/fprintf.html - to write into a file (and create it) http://www.mathworks.com/he...

fast 10 Jahre vor | 0

| akzeptiert

Frage

How can I install user-developed toolbox?
http://www.mathworks.com/matlabcentral/fileexchange/27659-pivlab-time-resolved-particle-image-velocimetry--piv--tool Like thi...

fast 10 Jahre vor | 1 Antwort | 0

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Frage

"Download App" in File Exchange
In File Exchange, when I choose some application, say, <http://www.mathworks.com/matlabcentral/fileexchange/47602-reversi Reve...

fast 10 Jahre vor | 2 Antworten | 0

2

Antworten

Beantwortet
how to plot double integral of bessel function?
Do you have Symbolic Math Toolbox? Function int is in this toolbox.

fast 10 Jahre vor | 0

Beantwortet
imshow does not work in 2014a
No! Imread doesn't require Image Processing Toolbox. Once again: type ver in command line and check if you have Image Process...

fast 10 Jahre vor | 0

Beantwortet
imshow does not work in 2014a
That is because you don't have Image Processing Toolbox required for imshow

fast 10 Jahre vor | 1