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...

presque 10 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...

presque 10 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...

presque 10 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...

presque 10 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...

presque 10 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 = ...

presque 10 ans ago

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