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Select primes from the matrix.
Select primes from the matrix.

10 years ago

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Expand a term
Given a term, as a string, expand it. e. g. f = '2(x + y)';

10 years ago

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Adding each element
Add the each element of the matrix.

10 years ago

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x&u are two vectors then Y=x+u???
x&u are two vectors then Y=x+u???

10 years ago

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tridiagonal matrix
Given vectors u and v, make a tri-diagonal symmetric matrix such that u is in the main diagonal and v is below and above diagona...

10 years ago

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Calculate numerical integration.
x=0:0.01:1 y=x.^2 Calculate area from x=0 to x=1, and y=0 to y=x^2 using numerical integration. (hint: trapz)

10 years ago

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N-plicate me
Modified version of duplicate and triplicate me. Repeat elements of input vector with given input n Ex: input = [1 2 3 4 5...

10 years ago

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Duplicate me
Repeat elements of vector input twice Ex: input = [1 2 3] output = [1 1 2 2 3 3]

10 years ago

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Square of the sum of optimus
Get the square of the sum of all primes given the limit input x

10 years ago

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Sum of the squares of optimus
Get the sum of the squares of primes given limit input x Ex. x = 10, output = 2^2 + 3^2 + 5^2 + 7^2

10 years ago

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Check that given number is 3*n
Check that input of multiple of three (3*n). if given number is included in 3*n, print true. (hint: use mod)

10 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....

10 years ago

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how to find characteristic polynomial of a given matrix?
how to find characteristic polynomial of a given matrix?

10 years ago

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How find sum of elements of each column in matrix?
How find sum of elements of each column in matrix?

10 years ago

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How find minimum element of a column in matrix?
How find minimum element of a column in matrix?

10 years ago

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How find maximum element of a column in matrix?
How find maximum element of a column in matrix?

10 years ago

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How to find average of each column ?
How to find average of each column for a given matrix?

10 years ago

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how to find diagonal elements of a matrix?
how to find diagonal elements of a matrix?

10 years ago

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Basic commands - logarithmically spaced vector
Make a function, which will give a vector: y=[ 0.01 0.1 1 10 ... 10^x];

10 years ago

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Basic commands - Left division matrix
Please write a function which will left division of A,B Pay attention this is right division: A/B

10 years ago

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Set number x for diagonal of square matrix, which size is n.
Set number x for diagonal of square matrix, other values should be equlal 0, which size is n. Example n=2, x=4: [4 0; 0 4]

10 years ago

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Create square matrix filled with equal numbers.
Create square matrix filled with equal numbers; n - size,x - given number .Example x=2,n=2 [2 2 ; 2 2]

10 years ago

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Create square matrix filled with ones.
Create square matrix filled with ones, of size x. Example [1 1; 1 1]

10 years ago

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check string
display any string

10 years ago

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Ceil Me Now
Get the ceiling of the input matrix

10 years ago

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Solve equation numerically
y'=y In order to solve equation using computer, numerical analysis are needed. 1st order Euler's method is one of the metho...

10 years ago

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Calculate correlation.
There are two data. y1=[0 1 2 3 4]' y2=[2 3 4 5 6]' We can see positive relationship between y1 and y2. The relations...

10 years ago

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Make roundn function
Make roundn function. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) y=0.56 ...

10 years ago

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Weighted moving average
x1=[1 2 1]; y1=[1 2 2 4 5 6 6 8]; Make function for weighted moving average. z(i)=(x1(i)*y1(i)+x1(i+1)*y1(i+1)+x1(i+2)*y1...

10 years ago

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Replace x value into y value in string text.
Replace x value into y value in string text. Example text='Hello World' x='World', y='Universe' result='Hello Universe'.

10 years ago