MSc in mechanical engineering, very passionate about numerical methods and Simulink environment.

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Replace Vector Elements

Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

8 months ago

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Convert a vector into a number

This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

8 months ago

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02 - Vector Variables 1

Make the following variable: <<http://samle.dk/STTBDP/Assignment1_2a.png>>

8 months ago

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Divide by 4

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

8 months ago

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Back to basics 26 - Keywords

Covering some basic topics I haven't seen elsewhere on Cody. Return a cell array of strings of all MATLAB keywords.

8 months ago

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Are all the three given point in the same line?

In this problem the input is the coordinate of the three points in a XY plane? P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) how can...

8 months ago

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Solve the set of simultaneous linear equations

Given this pair of simultaneous linear equations: 2x + 3y = 23 3x + 4y = 32 Find the solution set (x,y)

8 months ago

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Back to basics 6 - Column Vector

Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

8 months ago

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Is this matrix orthogonal?

Given a square matrix, a, determine whether it is orthogonal. INPUT: a, a n x n matrix OUTPUT: true or false

8 months ago

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Love triangles

Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

8 months ago

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Count ones

Write a program to count number of ones (1s) in an integer variable input. For example: Input x=2200112231 output y=3 I...

8 months ago

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Weighted average

Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

8 months ago

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

Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

8 months ago

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Output any real number that is neither positive nor negative

Output any real number that is neither positive nor negative

8 months ago

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Volume of a box

Given a box with a length a, width b, and height c. Solve the volume of the box.

8 months ago

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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...

8 months ago

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Remove any row in which a NaN appears

Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

8 months ago

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Calculate the peak value of square wave

Given the peak value of sine wave, calculate corresponding peak value of square wave, if both have same RMS voltage.

10 months ago

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Create incrementing array

Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...

10 months ago

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Calculate distance travelled when given radius and rotations

When given radius of wheel and number of rotations calculate total distance travelled consider pi=3.14

10 months ago

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If-then-else

Complete the function below such that if the value of x is in the range 10 to 14, inclusive, the value 18 is assigned to y. Oth...

10 months ago

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Wind Chill Computation

On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the "wind chill," i...

10 months ago

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Make a checkerboard matrix

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

10 months 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?

10 months 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?

10 months ago

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Sum of series V

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

10 months ago