Peng Liu - MATLAB Central
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Peng Liu


Last seen: environ 3 ans il y a |  Actif depuis 2013

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Question


What makes the difference between griddata and griddatan?
Since griddatan is the n-d generalization of griddata, I assume that for 2-d scenarios, they should have identical behavior. Thi...

environ 8 ans il y a | 1 réponse | 1

0

réponse

Question


Why MATLAB has a confusing function name such as griddata (or griddatan)?
I am really confused by the function names *griddata* and *griddatan*, because these function names are prefixed by *grid* where...

environ 8 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
How to code a function of the Probability mass function of the Poisson binomial distribution
You may use nchoosek. F_k is nothing but a k-element subset of {1,2,3,...,n}. The sum is over all possible F_k, which can be gen...

plus de 8 ans il y a | 0

| A accepté

Réponse apportée
is there a built in function to get minimum nr of bits for an integer ?
Not floor(log2(x)) + 1 but ceil(log2(x)) is correct

plus de 8 ans il y a | 0

Réponse apportée
discrete joint probability distribution
You need to compute the histogram count for every pair (theta_i, v_j), and then normalize it by the sample size. Thus, histcount...

plus de 8 ans il y a | 2

| A accepté

Réponse apportée
What's the reason for different memory consumption for sparse row and column vectors?
% The minimum data storage requirement formula for a double m x n sparse % matrix with nnz non-zero elements, including th...

plus de 8 ans il y a | 1

| A accepté

Question


What's the reason for different memory consumption for sparse row and column vectors?
See below: >> a = sparse(1e12,1); >> b = sparse(1,1e9); >> whos a b Name Size ...

plus de 8 ans il y a | 2 réponses | 0

2

réponses

Réponse apportée
Matlab jokes or puns
Q: How many MATLAB functions are there in the world? A: There is only one MATLAB function called matlabFunction.

plus de 8 ans il y a | 3

Réponse apportée
The theory of "_mergesimpts" of builtin functions.
It is an undocumented built-in function, which finds unique elements/rows within a specified tolerance. You may find a detailed ...

plus de 8 ans il y a | 0

Réponse apportée
Can someone help me with my code ? I can not see error.
There is nothing wrong with your code. You just need to save the function vdp1000 as an independent m file with name vdp1000.m a...

plus de 10 ans il y a | 0

Question


Trendy urlfilter command to access Chinese website
Hello, As we know, the following Trendy command num = urlfilter(url, target) works for a string type target. However, I...

plus de 11 ans il y a | 1 réponse | 0

0

réponse

Réponse apportée
How to add Delay
You may try the *pause* command

presque 12 ans il y a | 0

Question


How to generate an *M^N* by *N* integer matrix consiting of all possible length N row vectors whose elements are between 0 and M-1?
I need to generate an *M^N* by *N* matrix consisting of all possible length *N* (N>=2) row vectors whose elements are *integer* ...

presque 12 ans il y a | 2 réponses | 0

2

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