Matt Fig
Last seen: 8 månader ago
1 631 total contributions since 2005Matt 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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Submitted
Fast View Factor Computation
Computes the view factors for two 3D planer polygons
mer än 4 år ago | 7 downloads |
Display rational numbers using fprintf
T = 1/3; fprintf('The number is: %s\n',strtrim(rats(T)))
mer än 8 år ago | 2
| accepted
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.
mer än 8 år 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 ...
mer än 8 år 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...
mer än 8 år ago | 0
| accepted
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...
mer än 8 år 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).'
mer än 8 år ago | 1
| accepted
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...
mer än 8 år ago | 0
| accepted
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...
mer än 8 år ago | 0
how to enable rotate3d for guide axes?
Use the command: rotated3d on After the code that plots the surf.
mer än 8 år 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...
mer än 8 år ago | 0
Concatenate cells: making column and row headers
row={'cat1'; 'cat2'; 'cat3'}; col={'mouse1' 'mouse2' 'mouse3'}; figure t = uitable('Data',[],... 'Colu...
mer än 8 år 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...
mer än 8 år ago | 0
| accepted
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.
mer än 8 år 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.
mer än 8 år 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...
mer än 8 år ago | 1
| accepted
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)...
mer än 8 år 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...
mer än 8 år 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;...
mer än 8 år ago | 0
| accepted
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...
mer än 8 år ago | 0
| accepted
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...
mer än 8 år ago | 0
| accepted
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...
mer än 8 år ago | 1
| accepted
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...
mer än 8 år ago | 0
| accepted
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 [] = ...
mer än 8 år 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...
mer än 8 år ago | 0
| accepted
[co,fig] = gcbo does not work in slider listener
Use FINDALL. fig = findall(0,'type','figure','tag','myfiguretag')
mer än 8 år 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...
mer än 8 år 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 = ...
mer än 8 år ago | 1
| accepted
regexprep - may the replacement string contain a variable?
Does this work? regexprep(str, '(xx\(i,)BE(\))', ['$1',q,'$2'] )
mer än 8 år ago | 0
| accepted
How do I write a script for a GUI.m file that allows me to press a button, choose a (*.csv) file and then copy this (*.csv) file to the current folder so it can be used for an existing simulation?
You need to make complete pathnames. One way to do it is to concatenate the output from UIGETFILE and also to concatenate the d...
mer än 8 år ago | 0
| accepted
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