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 "...

plus de 9 ans 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...

plus de 9 ans 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...

plus de 9 ans ago | 1

Answered
Histogram with intervals
Look at the function "histc"

plus de 9 ans 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...

plus de 9 ans 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 ...

plus de 9 ans 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...

plus de 9 ans 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...

plus de 9 ans 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...

plus de 9 ans 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...

plus de 9 ans 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...

plus de 9 ans 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...

plus de 9 ans ago | 0

Answered
random Gaussian
randn(m,n)

plus de 9 ans 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 = ...

plus de 9 ans 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...

plus de 9 ans 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 ...

plus de 9 ans 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 ...

plus de 9 ans 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...

plus de 9 ans ago | 0

Answered
Error in Command Window
doc try

plus de 9 ans 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...

plus de 9 ans 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...

plus de 9 ans ago | 0

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

plus de 9 ans 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...

plus de 9 ans 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....

plus de 9 ans 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...

plus de 9 ans 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...

plus de 9 ans 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...

plus de 9 ans 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...

plus de 9 ans 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...

plus de 9 ans 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 = ...

plus de 9 ans ago

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