Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
3年以上 前
解決済み
Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers.
Examples:
[index1 index2] = nearestNumbers([2 5 3...
Reverse the Words (not letters) of a String
*Description*
Change the words of a string such that the words appear in reverse order. You may assume that the string is a n...
First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...
Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...
4年弱 前
解決済み
Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise
4年弱 前
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Flip the vector from right to left
Flip the vector from right to left.
Examples
x=[1:5], then y=[5 4 3 2 1]
x=[1 4 6], then y=[6 4 1];
Request not ...
4年弱 前
解決済み
Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...
4年弱 前
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Swap two numbers
Example
Input:
a = 10
b = 20
Output
a = 20
b = 10
Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
4年弱 前
解決済み
Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0.
a = 3;
b = [1,2,4];
Returns 0.
a = 3;
b = [1,...
4年弱 前
解決済み
Derivative of polynomial
Compute the derivative of a given polynomial. The input is an <http://www.mathworks.com/help/matlab/math/representing-polynomial...
4年弱 前
解決済み
kmph to mps
convert kilometer per hour to meter per second
What's Your BMI?
Find the body mass index.
For reference, please refer to Wikipedia here: <http://en.wikipedia.org/wiki/Body_mass_index body ...
4年弱 前
解決済み
What percentage?
Calculate the output c as the percentage of a on b for given a and b.
4年弱 前
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Matrix to column conversion
Given a matrix of any size, convert it into a column vector.
e.g A=[10 20 30;
40 50 60]
then,
B = [10;
40;
...
4年弱 前
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Check if equal
Return true if all the elements of an nD array are equal, false otherwise.
4年弱 前
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Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below.
Example
x = [2 3 6 9]
then y should be
[...
4年弱 前
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Area of a circle
Find the value for area of the circle if diameter is given
4年弱 前
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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]
...
4年弱 前
解決済み
Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1.
Example:
Input
...