warnerchang
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MATLAB Central Community 20 Year Anniversary Mini Hack participant badge
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Solve 500 problems
Awarded to warnerchang on 03 Oct 2021
Solve a problem with a best solution
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Download any 10 unique submissions
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Create a problem
Awarded to warnerchang on 29 Sep 2021
Solve all the problems in Draw Letters problem group
Awarded to warnerchang on 04 Jul 2021
Solve all the problems in Sequences & Series II
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Solve all the problems in Strings II
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Solve all the problems in Matrix Manipulation II
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Solve all the problems in Matrix Patterns II
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Solve all the problems in Indexing II
Awarded to warnerchang on 27 May 2021
Content Feed
解決済み
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 ...
約2ヶ月 前
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Angle between two vectors
You have two vectors , determine the angle between these two vectors For example: u = [0 0 1]; v = [1 0 0]; The a...
約2ヶ月 前
問題
Poly2mask, drawpolygon or patch
Recently, I tried to plot a polygon in matlab, and I found there is a lot of embedded function that can be used. However, some f...
約2ヶ月 前 | 0 | 3 個のソルバー
解決済み
Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.
約2ヶ月 前
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Replace every 3rd element in a vector with 4
x is a vector of undetermined length You are to replace every 3rd element with the number 4, example: x = [11 23 34 43 2 3...
約2ヶ月 前
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Test Problem; Create a 5x5 array containing all ones
This is a test for learning the process of creating a Cody problem. The goal of this test problem will be to create an array,...
約2ヶ月 前
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Number of 1s in the Binary Representation of a Number
*Description* Return the number of 1s in the (unsigned integer) binary representation of a number. This function should be ab...
約2ヶ月 前
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Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...
約2ヶ月 前
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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...
約2ヶ月 前
解決済み
Vectorize the digits of an Integer
Create a vector of length N for an integer of N digits. x = 123045; x_vec = [1 2 3 0 4 5]; I happened upon a trick ...
約2ヶ月 前
解決済み
Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...
約2ヶ月 前
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Basic arrays operations.
Apply element-by-element binary operation 'fun' to two arrays (A and B).
約2ヶ月 前
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How many jokers?
* Given DNA codes of a group of suspects, * and a code for certain types of jokers, * Count how many jokers of that type. * ...
約2ヶ月 前
解決済み
04 - Scalar Equations 3
Define the variables a, b, and c: <<http://samle.dk/STTBDP/Assignment1_4-a.png>> <<http://samle.dk/STTBDP/Assignment1_4-b....
約2ヶ月 前
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03 - Matrix Variables 6
Make _fMat_ be a 5x3 matrix of random integers with values from -3 to 3 (Hint: use *randi*)
約2ヶ月 前
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06 - Matrix Equations 2
Define the vectors _aVec_ and _bVec_: <<http://samle.dk/STTBDP/Assignment1_2a.png>> and <<http://samle.dk/STTBDP/Assig...
約2ヶ月 前
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multiply by three
Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...
約2ヶ月 前
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Remove white space from the string
Remove the white spaces (trailing and leading) from the input variable
約2ヶ月 前
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2 b | ~ 2 b
Given a string input, output true if there are 2 b's in it, false if otherwise Examples: 'Macbeth' -> false 'Publius Cor...
約2ヶ月 前
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Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]
The given function returns the index of the maximum value in a given matrix. such as X=[4,3,4,5,9,12,0,5] Ans= 6 if maxim...
約2ヶ月 前
解決済み
Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...
約2ヶ月 前
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Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...
約2ヶ月 前
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Create incrementing array
Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...
約2ヶ月 前
