Answered
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...

15 years ago | 0

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Answered
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...

15 years ago | 1

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Answered
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...

15 years ago | 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 ...

15 years ago | 0

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Answered
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...

15 years ago | 1

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Answered
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; ...

15 years ago | 1

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Answered
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...

15 years ago | 4

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Answered
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)...

15 years ago | 0

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

15 years ago | 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 ...

15 years ago | 0

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Answered
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...

15 years ago | 3

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

15 years ago | 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...

15 years ago | 1

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Answered
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 =...

15 years ago | 0

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Answered
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...

15 years ago | 0

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Answered
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; ...

15 years ago | 1

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

15 years ago | 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, ...

15 years ago | 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...

15 years ago | 0

Answered
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(:,:,...

15 years ago | 1

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

15 years ago | 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'...

15 years ago | 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...

15 years ago | 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...

15 years ago | 1

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Answered
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: ...

15 years ago | 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?

15 years ago | 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?

15 years ago | 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])

15 years ago | 0

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Answered
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 ...

15 years ago | 1

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How to call one program from another in MATLAB?
Save this first function in one M-file (copy and paste it, then save it): function [] = receives_integers() % Prints inte...

15 years ago | 0

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