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Set x value to each even index of vector y.
Set x value to each even index of vector y.

10 years ago

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Count given word x in text.
Count how many times given word x repeats in text.

10 years ago

Solved

Solve expression III
Solve expression for given vector x. Expression = (tan(2*x^2+7*x-30.25)+log(x^3-2.25))/(nthroot(sin(x^3)^2+1/5*log(x^4-2.5),3))...

10 years ago

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Solve expression II
Solve given expression. alpha=0.1(-x-y-50)/(exp((-x-y-50)/10)-1) beta=5exp((-x+y-60)/20) result=alpha+beta;

10 years ago

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Solve expression I
Solve expression (1+sin(x))/cos(x)+cos(x)/(1+sin(x)) for given vector x.

10 years ago

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Set x value to each odd index of vector y.
Set x value to each odd index of vector y.

10 years ago

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Extract area
There are observed data c and its location (x,y) x=1:0.1:10 y=1:0.1:10 [x,y]=meshgrid(x,y) c=x.^2+y.^2 Extract data c i...

10 years ago

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Save variables
a=[1] Save variable a that is located in workspace into current folder. File name should be 'a.mat'

10 years ago

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

10 years ago

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Calculate cross product
Make function for cross product a=[1 3 2]; b=[2 4 1]; y=function(a,b) y=[-5 3 -2]

10 years ago

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Modulation index
The amplitude of the carrier signal is 2V and the amplitude of the modulating signal is 8V. Find its modulation index.

10 years ago

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Remainder Calculator Without Using built-in mod(x)
Given x, and divisor. Compute for the remainder without using mod() function

10 years ago

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Print true if (2)
There are 0. a=[1 2 3 4 0]; b=[1 1 1 1 1]; function(a) is true, and function(b) is false.

10 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...

10 years ago

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Create Truth Table of Size according to input
Create a Truth Table Example: n = 3 output = [0 0 0; 0 0 1; 0 1 0; 0 1 1; 1 0 0; 1 0 1; 1 1 0; 1 1 1]

10 years ago

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Derive Me Crazy
Given a polynomial, output its derivative Example: input = [1 0 0]%x^2 output = [2 0]%2x

10 years ago

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Integrate Me
Given polynomial, output the integral (with k = 1 for simplicity purposes) Example: input = [2 1] % 2x+1 output = [1 1 1]...

10 years ago

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Calculate determinent
Calculate determinent of given matrix A=[2 4;3 5]; function(A) Output should be -2

10 years ago

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Conduct inner product using given matrix
a=[1 2 3]; b=[3 4 5]; y=function(a,b) Output y should be 26

10 years ago

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Circular Shift Me
Given a vector v=[1 3 6 9 11], circular shift them while iterating m=[1 3 6 9 11; 11 1 3 6 9; 9 11 1 3 6; 6 9 11 1 3; 3 6 9 1...

10 years ago

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Modified Upper Matrix Mock
Given a vector v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 0 3 6 9 11; 0 0 6 9 11; 0 0 0 9 11; 0 0 0...

10 years ago

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Сoncatenate two strings.
Сoncatenate two strings. Example s1='Hello' s2='world' result='Hello world'

10 years ago

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Calculate triangle's hypotenuse
There are 634 eggs. A box can take 18 eggs. How many boxes are needed? Input is number of eggs and output is number of needed...

10 years ago

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How to calculate log?
There is a log that have base 5. How to calculate? log5(x)?

10 years ago

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How to check matrix's size?
x=randi(100) y=randi(100) A=zeros(x,y) Can you measure size of matrix A?

10 years ago

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Create given matrix
y = 0 0 1 1 0 0 0 0 1 1 0 0 1 1 1 1 1 1 ...

10 years ago

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Change matrix to vector
Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

10 years ago

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Change matrix to vector2
From x = 4 3 5 1 5 1 To y = 4 3 5 1 ...

10 years ago

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Display positive elements of matrix.
Display positive elements of matrix.

10 years ago

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Compare two strings.
Compare two strings, whether they are equal or not.

10 years ago