Am I running in parallel? (best way to check)
parallel.internal.pool.isPoolThreadWorker||~isempty(getCurrentJob)) This code can robustly return true if and only if run on a ...

1 year ago | 4

Saving output files as input file names while running though a for loop
filenames = struct2table(dir('*.csv')).name; %%% Start looping over files for k= 1:numel(filenames) X= readmatrix(filenam...

1 year ago | 0

Automatically create variable names
NameIndex=1; Value=2; eval(sprintf('Name_%u=%d',NameIndex,Value)); This is possible by eval but as mentioned in the comments ...

1 year ago | 0

MEX file debugging with MS Visual Studio
As @Friedrich said, MEX file functions are loaded dynamically, so the function needs to be called once in MATLAB to load symbols...

1 year ago | 0

Solved

Number of toolboxes?
Return a number equal to the number of toolboxes available to the Cody solvers.

1 year ago

Problem

Integer vector optimal lossless deduplication
You're given an integer vector A, a Min scalar and a Max scalar. You can assume all elements in A are in [Min,Max] range, and nu...

1 year ago | 2 | 2 solvers

Problem

Is the number of 1s in a binary integer odd or even?
Your function should turn the input integers into binary form and count the number of 1s in the binary. If the number is odd, re...

1 year ago | 1 | 21 solvers

Problem

Ambiguous concatenation
Give two expressions that can have different meaning inside/outside a concatenation expression.

1 year ago | 0 | 3 solvers

Submitted

MATLAB 括号 语法 大全 Parentheses Syntax
MATLAB三大括号()[]{}傻傻分不清？用法经常搞混？各种出错不知道该用哪个？本示例列出了MATLAB三大括号的所有语法，全网最详尽最全面！吃透了它你就再也不会有问题！

Solved

Check if equal
Return true if all the elements of an nD array are equal, false otherwise.

2 years ago

Compare strings which contains the same pattern by ignoring case sensitivity and some expressions like underscores
You might remove those expressions to be ignored and unify the strings all to lowercase before doing actual comarison.

2 years ago | 0

| accepted

How to I create variables with different names in the workspace using for loop?
You're too new to MATLAB to write any actual code. Learn your first course on https://matlabacademy.mathworks.com/ before doing...

2 years ago | 0

Solved

Curry a function handle
From Wikipedia, Currying: In mathematics and computer science, currying is the technique of converting a function that takes mu...

2 years ago

Problem

Merge structs on fields
Merge a bunch of structs into one, containing the field names and corresponding values of all input structs. For duplicate field...

2 years ago | 0 | 4 solvers

Solved

Exhaust all possible logical vectors
Input a length argument and list all possible logical vectors of that length. My solution is of size 29. Can you find an even s...

2 years ago

Solved

Maximum of ND-array
Find the maximum element of a N dimensional array. Example: A=[1 2 4 ; -20 4 10]; The maximum is 10.

2 years ago

Problem

Exhaust all possible logical vectors
Input a length argument and list all possible logical vectors of that length. My solution is of size 29. Can you find an even s...

2 years ago | 1 | 17 solvers

Solved

Undocumented MATLAB tricks No. 2 - Tell the parfor index
Your function is called in multiple for-loops, and the loop indices are given to your function. One of these indices are from a ...

2 years ago

2 years ago | 0

| accepted

Question

Index=find(Array==Element); Array(Index)=0 上述代码往往会被提示可以省略find，直接使用逻辑索引而不是数值索引。 省略一个函数调用当然会更快，这不难理解。 但如果Index还将要继续用于后续其它数组的索引...

2 years ago | 1 answer | 1

### 1

gui中，使用ginput获取屏幕上的点，响应速度越来越慢

2 years ago | 0

>> s = dsolve(eqn,cond) 警告: Unable to find symbolic solution. 没有精确解。 这没什么奇怪的，一个一般的微分方程大概率没有精确解。

2 years ago | 1

2 years ago | 0

uislider是R2016a推出的函数，你是不是MATLAB版本太老？ 如果版本没问题就是安装损坏了，卸载MATLAB重装吧

2 years ago | 0