Answered
how to use a parameter name list as input for a function?
Skirt, you were very close. You just need to use a cell array: %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function out=try...

12 years ago | 0

Answered
Sort Group Data Trends
Anthony, here's a solution relevant to my comment above. Note that there are in fact *4* groups: 7k, *8k*, 11k, and 15k. nu...

12 years ago | 1

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Answered
square root of sum of squares on portions of cell arrays - Matlab Noob
out5 = {[0;0],[0;-162],[-54;72]} cellfun(@(vec)hypot(vec)*((-2*double(vec(1)<0))+1),out5) or cellfun(@(vec)sqrt(su...

12 years ago | 0

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Answered
Comparing strings with and without ' '
Hi Mini, first I'll make some strings myStrings = {'''Word''', 'Word'}; >> myStrings{1} ans = 'Word' >> myStrin...

12 years ago | 0

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Pixel position of circle on image
Sangeeta, does this answer your question: center = [25 30]; %XY location of circle center radius = 15; matSize = 50; ...

12 years ago | 0

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How to move an object from one plot to another inside a GUI using GUIDE
Vivekram, you can change any handle graphics "Parent" property. Here's a fully working example: function F = tmpfunc() ...

12 years ago | 0

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Question

Silhouette outline of polygon surface
I'm trying to get the outline of a triangulated 3D surface projected onto the XY plane. Here's an example. First, let's get a ...

12 years ago | 1 answer | 0

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Answered
writing large 3D .mat file into a .xls file
Salam, Here's some code that will at least get your data into excel in some form. You're right that excel has the <http://off...

12 years ago | 0

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Answered
Solving a system of equations in matlab
Hi E, There's a main issue that causes your problem here. Firstly, imagine that you had got inside your function _functionfil...

12 years ago | 0

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Answered
delete certain elements in a matrix
In a loop? Not really. All at once? Absolutely. DATA = rand(50,5); rowsToDelete = [1,6,11,21,26]; DATA(rowsToDelet...

12 years ago | 3

Answered
Experiences with release 2013a
As far as the help docs go, one issue that I had with the 2012b changes was the loss of context once you were reading a page (or...

12 years ago | 1

Question

Experiences with release 2013a
In the spirit of <http://www.mathworks.com/matlabcentral/answers/48070-experiences-with-release-2012b 2012b>: Did you try 201...

12 years ago | 5 answers | 0

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Answered
Adding a line to a plot without normalized coordinates
You were so close: figure scatter([0 10 20 30 40],[3 5 3 2 9]); hold on plot([0 40],[15 15],'-', 'Color','r') I...

12 years ago | 0

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Answered
How can I automatically save and index data from an internet database at a specified interval
MATLAB is reasonably well suited to do all the things you're looking for. Check out, for example, the <http://www.mathworks....

12 years ago | 0

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Find unknown from the equation with given value
Hi Sheryl, If you have the Symbolic Maths toolbox, you can do something like: *Step 1*: Set up your equation. Note that you ...

12 years ago | 0

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plotting evenly spaced lines across object
Hi Jakub, I think this does exactly what you're looking for. I've commented the code so it's easy to follow. Note that I've u...

12 years ago | 1

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Answered
import date from matlab to ms excel in the form 'HH:MM PM' using xlswrite
Hi Jovanie, The trick is to make sure excel receives a date in a format that it recognises as a date, and then let _excel_ ha...

12 years ago | 0

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Answered
how to convert cell datatype into uint8?
Hi Sivakumaran, A *cell* datatype is simply a container for _other_ datas. There is a function called *cell2mat* which will u...

13 years ago | 0

Answered
How to search for a specific string and only display the sentences that contains it.
Hi Sam, *regexp* is the most flexible way to go: testStrings = {'some text with hello','more with hello','nothing here',...

13 years ago | 0

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Spacing in a heading for a table. (fprintf)
Hi Thomas, try this: fprintf('%11s%12s%12s%12s%12s%12s\n', 'AppNumb', 'gender','gpa','exp','lines','(bonus)'); fprintf('...

13 years ago | 1

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Answered
How to get the tag name?
To find the tag of axes1, you can just get it directly: Tag = get(handles.axes1,'Tag') However I would expect that the c...

13 years ago | 1

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Matlab question for cantilever beam
Hi Caroline, The problem is here: x= 0:0.1:L; U(x)= F./E.*I.*(x.^3-3.*L.*x.^2); I think you simply mean: x= 0...

13 years ago | 0

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How Gradient is calcuted
Hi Tinkul, It is probably clearer if you call your variables *z* and *c* different names such as *dx* and *dy*. This is becau...

13 years ago | 0

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Answered
Solving constrained non linear system using fmincon doesn't work
Hi Pi Pi, Two things. Firstly, your specific error: User supplied objective function must return a scalar value. com...

13 years ago | 1

Answered
Adding values in a for loop
Hi Andy, I'm not entirely clear what you mean by "output", but I'll presume that you mean the value assigned to the *g* varia...

13 years ago | 2

Answered
interpolating the 2d line to make the new coordinates equi-distant
Hi Payam, try this: pathXY = [0 0; 1 1; 10 2; 12 3] stepLengths = sqrt(sum(diff(pathXY,[],1).^2,2)) stepLengths = [0;...

13 years ago | 2

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Answered
How can I vectorize/LUT this for loop ?
Hi Louis, This one's got a nice solution using *sub2ind* that lets you do the whole thing at once without a loop: img = ...

13 years ago | 0

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Answered
How do I store a series of 5*5 arrays into a multidimensional array?
Bob, here's a fix to your loop: Agray=imread('rice.png'); [ar,ac]=size(Agray); v1=5; v2=5; r=ar-v1+1; c=ac-v...

13 years ago | 1

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Answered
How to determine if two cones with vertices at origin, intersect?
Hi again Doc, First thing you can do is check the dot product between the normal vectors of both cones' planes. If the dot pr...

13 years ago | 0

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Answered
Zero-filling matricies but different dimensions
Hi Bran, I think this is what you're trying to do: A = [1 2 3; 4 5 6; 6 7 8; 11 12 13] B = [1 2 3; 4 5 6; 11 12 13] ...

13 years ago | 0

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