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Solved

Sum of series V

What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

1 year ago

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Sum of series VII

What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

1 year ago

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Sum of series IV

What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

1 year ago

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Sum of series VI

What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

1 year ago

Solved

Sum of series II

What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

1 year ago

Solved

Sum of series I

What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

1 year ago

Solved

Sum of series III

What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

1 year ago

Solved

Back to Basics - Find no. of elements in a matrix?

Let A be a m*n matrix. Find the total no. of elements in A ? (Hint - formula based) A = [1 2 3;4 5 6]; output = 6

1 year ago

Solved

Find the product of a Vector

How would you find the product of the vector [1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0] times 2?; x = [1 : 0.5 : 6]; y ...

1 year ago

Solved

Divide by 4

Given the variable x as your input, divide it by four and put the result in y.

1 year ago

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Find my daddy long leg (No 's')

Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

1 year ago

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Calculate the hypotenuse of a right triangle without using ^ and sqrt ()

Find out the hypotenuse of right triangle. Say a = 4, b = 3 then c = 5 Please don't use ^ and sqrt() function.

1 year ago

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Subtract integers and add doubles

Create a function that subtracts a from b if a and b are integers and adds them if they are floats.

1 year ago

Solved

It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().

Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. This must be done in l...

1 year ago

Solved

Determine the number of odd integers in a vector

Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

1 year ago

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Building matrices

If you have matrix A, create matrix B using matrix A as an "element" A = [1 2 3 4; 5 6 7 8...

1 year ago

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Complex number

For complex number c=a+bi, write code that will add a and b together.

1 year ago

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Flipping

Write code that can reverse the vector without using any sort of loop. Example Given the input vector A = [ 1 2 3 4 5...

1 year ago

Solved

Replacing a row

For matrix G=[1 2 3; 4 5 6; 7 8 9] Replace the 2nd row with 8s **remember to create matrix G

1 year ago

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Squaring Matrix

Square the following matrix using matlab % A = 1 2 3 4 5 6 7 8 So new matrix should display...

1 year ago

Solved

Deleting an element in a matrix

For vector Grades=[98 56 78 34 100 88 87], delete the number 78 to get the following matrix Grades=[98 56 34 100 88 87] **re...

1 year ago

Solved

Longest run of consecutive numbers (★★★★★)

(copy of Problem 672) Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you...

1 year ago

Solved

Make a checkerboard matrix (★★★★★)

(copy of Prob. 4) Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1...

1 year ago

Solved

How to locate the position of an element in a vector without using the find function

(copy of prob 105 with test for find function) Write a function posX = *locatePos* (x,y) which returns the location o...

1 year ago

Solved

*Prime number check 2 (in construction)

Another way to see if a number is prime is to count the number of factors. For example, the number 4 has 2 factors, [ 2 4 ]...

1 year ago