Community Profile

# Matt Fig

##### Last seen: 9 meses ago
1.631 total contributions since 2005

Matt is currently employed at Sunstate Risk Assessments, LLC in the beautiful Florida panhandle. He holds degrees in physics and mechanical engineering.

Professional Interests: MATLAB, C++, ANSYS

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

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

más de 8 años ago | 2

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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.

más de 8 años ago | 0

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 ...

más de 8 años ago | 0

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...

más de 8 años ago | 0

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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...

más de 8 años ago | 0

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).'

más de 8 años ago | 1

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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...

más de 8 años ago | 0

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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...

más de 8 años ago | 0

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

más de 8 años ago | 0

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...

más de 8 años ago | 0

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

más de 8 años ago | 0

[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...

más de 8 años ago | 0

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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.

más de 8 años ago | 0

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.

más de 8 años ago | 0

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...

más de 8 años ago | 1

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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)...

más de 8 años ago | 2

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...

más de 8 años ago | 0

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;...

más de 8 años ago | 0

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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...

más de 8 años ago | 0

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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...

más de 8 años ago | 0

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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...

más de 8 años ago | 1

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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...

más de 8 años ago | 0

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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 [] = ...

más de 8 años ago | 0

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...

más de 8 años ago | 0

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

más de 8 años ago | 0

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...

más de 8 años ago | 0

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 = ...

más de 8 años ago | 1

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

más de 8 años ago | 0

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