Answered
Matlab data type inconsistence for cursor.data when running matlab code in MCR and Matlab studio
I no longer have access to the database toolbox, but it sounds like it could be related to the preference you have set for the "...

13 years ago | 0

Answered
undefined function 'corrplot
It looks like it was added in 2012A. I dont think there is anywhere to download just one function, too many dependencies, best t...

13 years ago | 1

Answered
Report Generator and standalone GUI - no workspace
Its been some years (and several releases) since I tried this, but I do recall being able to succesfully compile a GUI that incl...

13 years ago | 1

Answered
Histogram with intervals
Look at the function "histc"

13 years ago | 0

Answered
Optimizing the 'drawnow' function for an oscillating circle
What are you doing in your function "circle"? If you are calling a function like "plot" over and over again, that is creating...

13 years ago | 1

Answered
Random Number Generator, lower numbers have higher chance
If you have a recent version of MATLAB (2012A) and the Statistics Toolbox check out the function "datasample" with the optional ...

13 years ago | 0

Answered
Which MATLAB function is the best for building a decision tree with the CART algorithm?
I believe they are using the same algorithms. "classregtree" has been around for quite some time, "ClassificationTree.fit" is sy...

13 years ago | 0

Answered
Combine two different matrices to create one new matrix of all matrix combinations
To generate all combinations of K and M, check out the file exchange function "allcomb": < http://www.mathworks.com/matlabcent...

13 years ago | 0

Answered
Excel: Column Headers & Dates
The latest version of MATLAB (2012A) seems to have some better support. I havent personally played with this yet though. If y...

13 years ago | 0

Answered
data fitting starting from a coupled system of differential equations
I would start by figuring out how to simulate the system for some fixed values of K1, K2, etc. and sample this numerical solutio...

13 years ago | 0

Answered
ismember structure?
I like to use "intersect" for this, though "ismember" could do the trick similarly. I like intersect because I dont have to assu...

13 years ago | 0

Answered
correlation coefficient between cells
Something like this will help you find the index of where 'Y2007' shows in each cell of "Year": K>> find( strcmp(Year{1},'Y...

13 years ago | 0

Answered
random Gaussian
randn(m,n)

13 years ago | 0

Answered
Arithmetic to Functional Converter
Are you just trying to evaluate algebraic statements provided in string format? If so, try "eval": >> a = 4 a = ...

13 years ago | 0

Answered
How to show date on xaxis
datetick once you get used to "datetick", this may be helpful as well: <http://www.mathworks.com/matlabcentral/fileexchang...

13 years ago | 0

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Answered
Mutex for Increment in Matlab Parfor?
Be careful using if statements without matching elses inside parfor loops. Ive experienced some strange behaviour in both 2011a ...

13 years ago | 1

Question

ranking (ordering) values with repeats
Hello Community, Im hoping some of you have a clever solution to this problem. Im looking for fast and efficient way to rank ...

14 years ago | 5 answers | 3

5

answers

Answered
Synthesizing a piano sound
Very cool assignment. Look at something like this to get an idea on how to come up with an envelope: <http://www.mathworks...

14 years ago | 0

Answered
Error in Command Window
doc try

14 years ago | 1

Answered
Matlab Builder NE exception with supposedly toolbox support?
I dont think you've run into any incompatabilities - just a bug. "Data_EGCITest.mat" is a mat file used by the egcitest funct...

14 years ago | 0

Answered
MCR executable different than original code
Whenever I run into errors like this using objects in a deployed appllication, I try the fix described here: http://www.mathw...

14 years ago | 0

Answered
GATool to solve Assignment Problem
<http://www.mathworks.com/help/releases/R2011a/toolbox/optim/ug/bqt8msp.html>

14 years ago | 0

Answered
Addition of time series' values in array
The double level of "." indexing could cause an issue, but if it was just single level this trick might work: >> foo(1).dat...

14 years ago | 0

Answered
xlsread converting TRUE to 1
Interesting - I never ran into this before but just reproduced it myself. I dont think the issue is with MATLAB, but with Excel....

14 years ago | 0

Answered
Using interp1 to find values of parabolic data.
It's been awhile since Ive done this, but I think you can get what you are looking for directly from the ode solvers using "even...

14 years ago | 0

Solved

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

14 years ago

Solved

Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

14 years ago

Solved

Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

14 years ago

Solved

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

14 years ago

Solved

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

14 years ago