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Rotate array 90 degrees
Rotate the given matrix by 90 degrees. Example, A = [1 2 3 ; 4 5 6 ] B = rotated(A) = [ 3 6; 2 5; 1 4 ]

9 years ago

Solved

Back to Basics - New Data Type in R2016b - convert a char to a string
Convert an char array into a string.

9 years ago

Solved

Check given number is odd or even
Using input [x], check given number is odd or even if x is odd, output should be true.

9 years ago

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Make sorting matrix without sort function.
It is very valuable for student to simple sorting program because they learn about use of loop and if-statement. Sort given inpu...

9 years ago

Solved

Two dimensional moving average
A=[1 2 3 4 5 1 2 2 2 3 2 3 3 3 4 1 1 4 4 2] B=[1 1;1 1]; % This is can be used for weight factor of moving a...

9 years ago

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Calculate representive values (max. min. std)
A B C -------------------------- t=1 2.2 2.6 2.4 t=2 2.4 2.8 2.2 t=3 2.6 2.7 2....

9 years ago

Solved

Calculate numerical integration.
x=0:0.01:1 y=@(x)x.^2 Using given two inputs(x and y), conduct numerical integration in x. (hint: trapz)

9 years ago

Solved

Calculate inverse matrix in m by n matrix
x=(1:10)' y=roundn(2*x+7*rand(size(x)),-1) a*x=y Estimate a using inverse matrix calculation. This is principle of li...

9 years ago

Solved

Create a constant offset.
Add a constant offset to an array. For example: a=[1 3 5 9]; offset=2; y=[3 5 7 11];

9 years ago

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Repeat the entries of the vector to their reference times in the vector.
e.g for input x: [ 7 3 9 5] output y: [ 7 3 3 9 9 9 5 5 5 5]

9 years ago

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Vector addition
Given two row vectors, v1 and v2, each representing an integer, such that the vector elements are the digits from left to right,...

9 years ago

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Find the volume of cone
Find the volume of cone, when given radius(r) and height(h).

9 years ago

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Maximum sum from any 2 numbers with a variable number of inputs
Given a variable number of inputs, combine any 2 numbers from the inputs and output the maximum sum the combinations can generat...

9 years ago

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Recursion at variable input
input of any length a =2 b =2 c =3 output = (a^b)^c = 64

9 years ago

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Count me in
Count the number of occurrences of the second input in the first input Ex. x1 = 12344455511; x2 =2; output = 1 x1 = 123444...

9 years ago

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Clamper Function
Create a function that emulates a clamper circuit Given sin wave, t and the constant value for clamping

9 years ago

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Full Wave rectifier
Create a function that emulates a full wave rectifier. Use a sine wave

9 years ago

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Print true if
all elements are larger than 5 a=[1 3 5 8 6]; b=[6 6 6 6 6]; function(a) should be false, and function(b) will be tru...

9 years ago

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Find the outcast
All pairs have the same difference except for one. Output the index of the latter Example: input =[0 1; 1 0; 2 3; 4 5;] ou...

9 years ago

Solved

Encode Me From The Past
Given this input x = 2, 5, 1, 2, 4, 1, 1, 3 output should be (Five 2's, Two 1's, One 4, Three 1's) [2 2 2 2 2 1 1 4 1 1 1]

9 years ago

Solved

Create tangent function out of sin and cos
Please don't use tan(x) directly

9 years ago

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Create sine function out of cosine
Please don't use sin(x) directly

9 years ago

Solved

Find the diagonal of the square of side L
You are given a square of side length L, find D the length of its diagonal.

9 years ago

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Delete useless part of data
When someone deals with big data. if the person delete useless part, calculation will be more faster than before deleting. De...

9 years ago

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Make random permutation
Make random permutation that consist of random number from 1 to n.

9 years ago

Solved

Extract a part of matrix!
There is matrix A A=[1 2 3; 4 5 6; 7 8 9] Extract a part of matrix A from (2,2) to (3,3). Result should...

9 years ago

Solved

Calculate circle's property
[A R]=function(r) r is radius, A is area of circles, R is circumference. A=pi*r^2 R=2*pi*r

9 years ago

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Add Me To Death (Sum sum sum)
Given certain vector, sum of the input vector, get the sum of 2 adjacent numbers in the input, and sum of the output vector (wh...

9 years ago

Solved

Exponential Growth and Decay
Calculus time!! Find dx/dy or (k) Given y(0), y(t) and t

9 years ago

Solved

Create a code for XNOR
Given two inputs, output XNOR of those two

9 years ago