Community Profile

# Matt Fig

##### Last seen: 2 maanden 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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change the font size of the current axis
x = rand(10,10); y = rand(10,10); plot(x,y); set(gca,'FontSize',20)

meer dan een jaar ago | 11

| accepted

Submitted

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)))

meer dan 7 jaar ago | 1

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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.

meer dan 7 jaar 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 ...

meer dan 7 jaar 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...

meer dan 7 jaar 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...

meer dan 7 jaar 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).'

meer dan 7 jaar 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...

meer dan 7 jaar 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...

meer dan 7 jaar ago | 0

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

meer dan 7 jaar 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...

meer dan 7 jaar ago | 0

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

meer dan 7 jaar 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...

meer dan 7 jaar 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.

meer dan 7 jaar 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.

meer dan 7 jaar 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...

meer dan 7 jaar 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)...

meer dan 7 jaar 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...

meer dan 7 jaar 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;...

meer dan 7 jaar 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...

meer dan 7 jaar 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...

meer dan 7 jaar 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...

meer dan 7 jaar 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...

meer dan 7 jaar 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 [] = ...

meer dan 7 jaar 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...

meer dan 7 jaar ago | 0

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

meer dan 7 jaar 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...

meer dan 7 jaar 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 = ...

meer dan 7 jaar ago | 1

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