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rectangular basis function/ rectangular pulse
Your description is a little unclear. Here is a function which will do something similar to what your first sentence asks. ...

oltre 15 anni fa | 0

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Isolate Digits in a number
If c is not a char, then what is it? How could you even enter c in MATLAB if it is not a char? You will lose the leading zero...

oltre 15 anni fa | 0

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plot and hist in matlab
Two histograms: x = -2.9:0.1:2.9; y = randn(10000,1); hist(y,x) h = findobj(gca,'Type','patch'); set(h,'FaceColor...

oltre 15 anni fa | 1

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vector not produced missing some '.' ?
As a general rule when dealing with operations on arrays, use a dot before every one of the three operators: * / ^ If you d...

oltre 15 anni fa | 0

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Truncating fractions
Ar = round(A*100)/100 . . . *EDIT* Raviteja, the above command does store your values as you want. The problem is not ...

oltre 15 anni fa | 0

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compute numerical integral by matlab
Put the function in an <http://www.mathworks.com/help/techdoc/matlab_prog/f4-70115.html anonymous function>, then use <http://ww...

oltre 15 anni fa | 1

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Changing color of point in stem plot based on value
No, but that doesn't mean you can't get what you want. t = (-3*pi:.1:3*pi); y = round(sin(t)*5)/5; idx = y~=0; ...

oltre 15 anni fa | 1

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slow re-assignment of values to an array in a structure
Sorry, at first I didn't read the whole question. My guess is that line 5 doesn't actually copy the data in x. When you chan...

oltre 15 anni fa | 4

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Writing Callback For GUI
Where would you get the values for the functions? If you are wanting to get them from other uicontrols (editboxes, for example)...

oltre 15 anni fa | 0

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patch in GUI (rectangular parallelepiped)
<http://www.mathworks.com/matlabcentral/fileexchange/20845-rppd>

oltre 15 anni fa | 0

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reshape
Go into sym_rec_img_preprocess and put these right before line 32: size(Ibox) size(sizer) size(sizec) noimages ...

oltre 15 anni fa | 0

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Sorting matrices
[As,I] = sort(A); Bs = B(I); To sort along the rows, use the dim argument to <http://www.mathworks.com/help/techdoc/ref/sor...

oltre 15 anni fa | 3

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Doubt math
What do you mean "without math methods?" MATLAB uses _only_ math methods as far as I know...

oltre 15 anni fa | 2

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Printing function results to the Workspace
You get that error because you haven't given the function any output arguments. So let's give it one! function R = range(x...

oltre 15 anni fa | 1

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Using a variable where a string is required
If you want to use the built-in plot colors, do (for example): A = {'k','b','r','g','y','c','k','b','r','g','y','c'}; x =...

oltre 15 anni fa | 0

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NaN for zero divide by zero.
There are two things to remember when looking at this problem. 1. A function having a <http://mathworld.wolfram.com/Limit.html...

oltre 15 anni fa | 0

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Plot, if and elseif statement
IF statements _do not_ pick out elements of an array as you are thinking they do. Use logical indexing. x = 0:pi/10:2*pi; ...

oltre 15 anni fa | 1

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Apostrophes in Cell
Use a double apostrophe everywhere you want one.

oltre 15 anni fa | 0

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MATLAB in unexpected places
I do see the logo on other vehicles once in a while. If you see the logo on the back of a silver VW EuroVan with Idaho plates, ...

oltre 15 anni fa | 1

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improper integral
quadgk(@(x) fun(x,0,1),-inf,inf) % 0 is a, 1 is b. But for a = 0, b = 1, we encounter an infinite number or nan. Are the...

oltre 15 anni fa | 0

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Place each dimension of matrix into a cell array
B = squeeze(mat2cell(A,2,2,[1 1])) This is probably quicker: mat2cell(reshape(A,2,4),2,[2 2]) More generally: A(:,:,...

oltre 15 anni fa | 1

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loops in matlab
Show what you have done so far... and where you are stuck.

oltre 15 anni fa | 1

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Problem using LineStyle
That is because you are using the LineStyle property to try to change the Color property. L = plot(1:10); set(L,'linestyle'...

oltre 15 anni fa | 0

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Determine if mouse click on a plot is within plot region
Here is a way to do it programmatically, as in a GUI for example. Save this in an M-file then run the M-file. Click on the axe...

oltre 15 anni fa | 1

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Polynomial curve fitting
You did it correctly. The curve is linear between the points because that is how MATLAB plots these things. If you zoom in hig...

oltre 15 anni fa | 1

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Two Arrays Addressing a Matrix
What does this mean: R(p,t)? Are you saying that R is a 2-by-N array? Why use p and t? . . *EDIT* O.k., so then do: ...

oltre 15 anni fa | 0

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need help with array as input parameter of a function
I have never seen that error message before. How are you calling the function? BTW, what version of MATLAB are you using?

oltre 15 anni fa | 0

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Logical Indexing Question
Please go back and format your question using the {} Code button. How can you form th2/ph2 when they are different sizes?

oltre 15 anni fa | 0

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Applying limits in matlab
Displacement = min(400,X); For example: X = [1:20:800]; plot(min(X,400)); ylim([0 800])

oltre 15 anni fa | 0

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Risposto
Creating a function
1. Do you think that copying and pasting a few obvious homework problems will get much of a positive response? From your post ...

oltre 15 anni fa | 1

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