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DC chopper
Input x is the sampled signal vector, may have both AC and DC components. output vector y should have AC components removed then...

9 years ago

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Matlab Basics - Set unwanted parts of a vector to zero
Consider a vector x, of length >= 7, write a script to set elements 2, 5, and 6 to zero. Example x = [1 2 3 4 5 6 7] --> ...

9 years ago

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Number of digits in an integer
Specifies how many digits in a given integer. Example: in=100 ==> out=3

9 years ago

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Divide by 4
Given the variable x as your input, divide it by 4 and put the result in y.

9 years ago

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MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

9 years ago

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Matlab Basics II - Extract last 3 elements of a vector
Let x be a vector of unknown length, we are always interested in the last 3 numbers in the vector, write a function that gives t...

9 years ago

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Compute LOG(1+X) in natural log
Compute LOG(1+X) in natural log

9 years ago

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Create a function handle that reverses the input arguments of another function handle
Given a function that takes two input arguments and returns one output, create another function handle that performs the same op...

9 years ago

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Back to basics 7 - Equal NaNs
Covering some basic topics I haven't seen elsewhere on Cody. Given 2 input variables, output true if they are equal, false ot...

9 years ago

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Matlab Basics II - Count rows in a matrix
Write a function that returns that number of rows in a vector or matrix x example: x = [1; 2; 3] output = 3

9 years ago

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Calculate the derivative of a polynomial
Example: in = [ 1 1 1 ] out = [ 2 1 ]

9 years ago

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Skip by a multiple
Given an integer create an array of its multiples. Array must have a length of 15

9 years ago

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Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...

9 years ago

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N-Cards Problem
You have a deck of _N_ cards numbered in order from 1 to _N_. You discard the top card (card 1) and place the next card (card 2)...

9 years ago

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Mode
Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...

9 years ago

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Duplicate each element of a vector.
for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Ex...

9 years ago

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Count decimal digits of a number
* Given an integer number you have to return the number of its digits. * For example 248 has 3 digits and 1589 has 4 digits ...

9 years ago

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Box!
Given a box, find the volume of the cube. With each side = a.

9 years ago

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Remove the Zero
Given an array n, remove all zeros

9 years ago

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construct matrix with identical rows
Input a row vector such as x=1:10. Now we need to construct a matrix with L rows,of which every row vector is a copy of x. E...

9 years ago

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Try 1.5.4: Celsius to Fahrenheit
Write a program to convert an input given in Celsius to Fahrenheit. Examples: Input celsiusValue = 100 Output fahrValu...

9 years ago

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Test if two numbers have the same digits
Given two integers _x1_ and _x2_, return |true| if the numbers written with no leading zeros contain the same digits. That is, t...

9 years ago

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Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...

9 years ago

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MATCH THE STRINGS (2 CHAR) very easy
Match the given string based on first two characters on each string. For example A='harsa'; b='harish'; result '1' ...

9 years ago

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The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

9 years ago

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Encode Roman Numerals
Create a function taking a non-negative integer as its parameter and returning a string containing the Roman Numeral representat...

9 years ago

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pressure to dB?
given x ratio of pressure, find corresponding y dB

9 years ago

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05 - Vector Equations 2
Define the vectors _aVec_ and _bVec_: <<http://samle.dk/STTBDP/Assignment1_2a.png>> and <<http://samle.dk/STTBDP/Assig...

9 years ago

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Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

9 years 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...

9 years ago