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Why can't I use crand() in matlab
rand in MATLAB has complex support since R2022a. See the "Random Complex Numbers" example on that documentation page. [SL: hype...
4 Monate vor | 0
Please Help! : Unrecognized function or variable 'crandn'.
Just come across this. A bit slow news. But randn supports generating complex number since R2022a. [SL: hyperlinked the functio...
4 Monate vor | 0
bsxfun vs implicit expansion
Hi Bradley, Just come across this today. To answer you question, you should always use Implicit Expansion instead of bsxfun whe...
etwa ein Jahr vor | 0
Toolboxes installation in MATLAB beta for Native Apple Silicon
R2022b beta is now available. With this beta, there is a list of toolboxes that you can test.
fast 3 Jahre vor | 2
2022b for apple M1
The R2022b beta for Apple M1 is here. Please visit this page https://www.mathworks.com/support/apple-silicon-r2022b-beta.html
fast 3 Jahre vor | 0
| akzeptiert
Matlab is significantly slower than Julia on simple evaluation
First of all, thank you for creating the benchmark and raising this performance issue. Indeed, we are seeing more and more perfo...
fast 4 Jahre vor | 13
| akzeptiert
expm function problem for stiff matrix
This is a weakness of the scaling and squaring algorithm. Inside EXPM, which you can read the implementation, there are special ...
etwa 4 Jahre vor | 0
Is there a big error in the method matlab uses to finds sqrtm?
This is an interesting example. It goes to the heart of the issue when computes with floating point arithmetic. First consider t...
etwa 10 Jahre vor | 3
Gelöst
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
mehr als 13 Jahre vor
Gelöst
Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...
mehr als 13 Jahre vor
Gelöst
Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...
fast 14 Jahre vor
Gelöst
Magic!
Check whether the input matrix is a normal magic square: <http://en.wikipedia.org/wiki/Magic_square> Output the logical va...
fast 14 Jahre vor
Gelöst
The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".
fast 14 Jahre vor
Gelöst
Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...
fast 14 Jahre vor
Gelöst
Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...
fast 14 Jahre vor
Gelöst
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
fast 14 Jahre vor
Gelöst
Function Iterator
Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...
fast 14 Jahre vor
Gelöst
Extract leading non-zero digit
<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...
fast 14 Jahre vor
Gelöst
Trimming Spaces
Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...
fast 14 Jahre vor
Gelöst
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...
fast 14 Jahre vor
Gelöst
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...
fast 14 Jahre vor
Gelöst
Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...
fast 14 Jahre vor
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Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...
fast 14 Jahre vor
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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...
fast 14 Jahre vor
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Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...
fast 14 Jahre vor
Gelöst
Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...
fast 14 Jahre vor
Gelöst
Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...
fast 14 Jahre vor
Gelöst
Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
fast 14 Jahre vor
