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Loginatorist


1 631 total contributions since 2005

Matt is currently employed at Sunnyside Risk Assessments, LLC in the beautiful Florida panhandle. Fishing and running are my favorite things to do, besides programming.

Professional Interests: MATLAB, C++

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Answered
change the font size of the current axis
x = rand(10,10); y = rand(10,10); plot(x,y); set(gca,'FontSize',20)

3 mois ago | 10

| accepted

Submitted


Fast View Factor Computation
Computes the view factors for two 3D planer polygons

plus de 2 ans ago | 5 downloads |

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Answered
Display rational numbers using fprintf
T = 1/3; fprintf('The number is: %s\n',strtrim(rats(T)))

environ 6 ans ago | 0

| accepted

Answered
Faster way of writing this code: (finding index)
That code does not return an index, but it does return the number of values in vector quantiles that are smaller than input.

environ 6 ans ago | 0

Answered
Breaking Quotes for Printmat
If I were you I would just use FPRINTF to print your array. I would offer you an example, but I don't know what you mean by "Is ...

environ 6 ans ago | 0

Answered
Create a matrix with Special properties
V0 = 10; a = 5; V1 = V0 + randi([-100 140]) + a; V2 = V1 + randi([-100 140]) + a; matrix = [V0,randi([-100 140]),a...

environ 6 ans ago | 0

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Answered
index exceeds matrix dimention
What is the Q doing there? We need to see code that we can copy/paste and *_it will run_*. So please fill in the missing varia...

environ 6 ans ago | 0

Answered
A simple question about working with array matrix and converting a column to multiple columns
reshape(X,50,12) Or perhaps reshape(X,12,50).'

environ 6 ans ago | 1

| accepted

Answered
adding breakpoint to program slows it down a factor of 250x
It makes sense to me that MATLAB would be slower when you are debugging. So what is the big deal? You won't be in debug mode o...

environ 6 ans ago | 0

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Answered
I need help with the Matlab R2007b commands
If you have MATLAB installed then you can look at the documentation by typing: docsearch('image processing toolbox') The...

environ 6 ans ago | 0

Answered
how to enable rotate3d for guide axes?
Use the command: rotated3d on After the code that plots the surf.

environ 6 ans ago | 0

Answered
Problem Saving Workspace - No Error Message
Of course, it would be immenseley helpful, and might actually allow a solution to be put forward, if you describe *in detail* wh...

environ 6 ans ago | 0

Answered
Concatenate cells: making column and row headers
row={'cat1'; 'cat2'; 'cat3'}; col={'mouse1' 'mouse2' 'mouse3'}; figure t = uitable('Data',[],... 'Colu...

environ 6 ans ago | 0

Answered
[GUI] How do you fill a Listbox with documents from a specific folder
The most basic example... D = dir; uicontrol('style','list',... 'units','pix',... 'pos',[20 20...

environ 6 ans ago | 0

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Answered
About matrix: how to make matrix binary (0 and 1)
S = dec2bin((1:32).') % If a string is o.k. N = S - '0' % If you need a numeric matrix.

environ 6 ans ago | 0

Answered
i want to plot the graph between the probability of false alarm and probability of detection
# Format your code. # Give a description of what it does and what is wrong # State _clearly_ what you need it to do.

environ 6 ans ago | 0

Answered
How can i create a standard matlab template for new programs
You could put that code in an m-file then use COPYFILE to copy it to a new m-file, including the intended name. Say your abov...

environ 6 ans ago | 0

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Answered
what is difference in cell and structure plz tell me with example
There is good documentation on this, did you read: doc cell doc struct Here is a cell array: C{1} = magic(3)...

environ 6 ans ago | 2

Answered
Error in Quad, suggestions required ?
Don't mix inlines with symbolics this way. syms E m R T f1 = int((0.99954.*E + ((0.58058-0.044967.*m).*R.*T))./(E + (2...

environ 6 ans ago | 0

Answered
plot of specified data
a=[1;1;1;1;2;2;2;3;3;3;3;4;4;4;4;4;5;5;5]; b=[20;21;22;24;20;22;24;21;19;20;22;23;24;19;23;19;24;23;22]; c=[2;5;1;3;1;3;...

environ 6 ans ago | 0

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Answered
Quick way to find the point where a vector changes from increasing to decreasing.
D = [10,9,7,5,3,2,1,2,3,5,7]; V = [0 diff(D)>0] % Indicates sign of difference S = find(V,1,'first') % First index whe...

environ 6 ans ago | 0

| accepted

Answered
Quotes around the name of the function
Typically, you want to pass a handle to a function, not a string. fsovle(@myfun,x0) % Notice the @ symbol --> a function h...

environ 6 ans ago | 0

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Answered
How to solve a simple if loop
# There is no such thing as an IF loop. # IF statements do not filter elements out of an array. # MATLAB does not use a THEN k...

environ 6 ans ago | 1

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Answered
Aborting callback execution in GUI - Drawnow error
I am not sure why you are using errors to try to cancel an operation. It seems simpler to just have the cancel button set a fla...

environ 6 ans ago | 0

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Answered
GUI pop-up menu and push buttons
There are many ways to do this. Here is a simple example that may provide a skeleton for you to fill out. function [] = ...

environ 6 ans ago | 0

Answered
Is there a way to label a plot with angled text?
You might give <http://www.mathworks.com/matlabcentral/fileexchange/27812-rotate-x-axis-tick-labels this file exchange file a tr...

environ 6 ans ago | 0

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Answered
[co,fig] = gcbo does not work in slider listener
Use FINDALL. fig = findall(0,'type','figure','tag','myfiguretag')

environ 6 ans ago | 0

Answered
Hello, I am trying to fit some data points with an exponential equation.
>> X = sort(rand(1,10)*30); % Say this is our x data. >> Y = 14*exp(3*X); % Say this is _unknown_ equation. >> pp = po...

environ 6 ans ago | 0

Answered
Convert (x,y) data into a function y => f(x)
You could use POLYFIT, or the curve fitting toolbox or a simple interpolation. >> x = 0:.25:5; >> y = x.^2; >> f = ...

environ 6 ans ago | 1

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Answered
regexprep - may the replacement string contain a variable?
Does this work? regexprep(str, '(xx\(i,)BE(\))', ['$1',q,'$2'] )

environ 6 ans ago | 0

| accepted

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