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Solved
Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'
ongeveer een jaar ago
Solved
String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...
ongeveer een jaar ago
Solved
Split a string into chunks of specified length
Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...
ongeveer een jaar ago
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Transpose
Write a MATLAB script in order to convert a random length row vector (v) into a column vector.
bijna 11 jaar ago
Solved
First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];
bijna 11 jaar ago
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Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.
bijna 11 jaar ago
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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.
bijna 11 jaar ago
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Find last zero for each column
Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...
bijna 11 jaar ago
Solved
Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.
bijna 11 jaar ago
Solved
Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.
bijna 11 jaar ago
Solved
Average of square wave
given positive and negative peak , calculate dc level, 50% duty cycle
bijna 11 jaar ago
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Volume and area of a sphere
Input(r) - radius Output([v,s]) - volume and area
bijna 11 jaar ago
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Back to basics 4 - Search Path
Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the user's portion of the current search...
bijna 11 jaar ago
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Back to basics 15 - classes
Covering some basic topics I haven't seen elsewhere on Cody. Return the class of the input variable.
bijna 11 jaar ago
Solved
Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.
bijna 11 jaar ago
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Who invented zero?
We know the importance zero in computer science, mathematics... but who invented zero? Clue: He was the first in the line ...
bijna 11 jaar ago
Solved
Find Index of maximum Value and maximum Value of a vector
Find the Index of the first occurrence of the maximum value in a vector and also the maximum value in the vector. Example: [...
bijna 11 jaar ago
Solved
Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...
bijna 11 jaar ago
Solved
Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...
bijna 11 jaar ago
Solved
Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...
bijna 11 jaar ago
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Sorting
Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...
bijna 11 jaar ago
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Back to basics 17 - white space
Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable
bijna 11 jaar ago
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Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product
bijna 11 jaar ago
Solved
Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...
bijna 11 jaar ago
Solved
Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.
bijna 11 jaar ago
Solved
Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...
bijna 11 jaar ago