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

12 years 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...

12 years ago

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Counting down
Create a vector that counts from 450 to 200 in increments of 10.

12 years ago

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Vectors counting by 2
Create a vector numbers from 7 to 15 in increments of 2

12 years ago

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ASCii Code
Using matlab, give the symbol that is associated with ASCii code 122

12 years ago

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ASCii Code
Using Matlab get the ASCii for '?'

12 years 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...

12 years 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...

12 years 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...

12 years ago

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What is Sum Of all elements of Matrix
Given the matrix x, return the sum of all elements of matrix. Example: Input x = [ 1 2 0 0 0 0 6 9 3 3 ] ...

12 years ago

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Add two different item as shown in example
Add two different item as shown in example x=5; y='ab'; Then output must be'5ab';

12 years ago

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The rabbit problem
Someone discovered that rabbits reproduce at the rate of fibonnaci so you just input the number and it will print the fibonnaci ...

12 years ago

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How many digits are there?
Input(s) - any string Output(n) - number of digits within string s

12 years ago

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CARDS PROBLEM
Read my mind and tell me the card number that I have now in my hands.

12 years ago

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Make a Plot with Functions
Make a plot and test

12 years ago

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Sort an array of structures
You need to sort an array of structures based upon *a numeric first field*: For example : a.n=1; a.name='a'; b.n=3...

12 years ago

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Sum the real and imaginary parts of a complex number
Sum the real and imaginary parts of a complex number. Example c = 1+2i has the solution 1 + 2 = 3

12 years ago

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Do operation as per given string
Do operation as per given string Example: '3*5' then answer must be 15; '3+5' then answer must be 8; '35' then answer ...

12 years ago

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Create Vector containing following elements
Create Vector containing following elements A=[pi eps NaN inf -inf flintmax];

12 years ago

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find out eigenvector of matrix
find out eigenvector of matrix A =eye(3); Answer is [0 0 1; 0 1 0; 1 0 0];

12 years ago

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Find out sum of all elements of given Matrix
Find out sum of all elements of given Matrix A=[1 2 3;4 5 6 ;7 8 9]; Answer must be: 45 *If you like this problem, pl...

12 years ago

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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. <http://en.wikipedia.org/wiki/Whole...

12 years ago

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Change a specific color in an image
The ability to change colors can be a useful tool in image processing. Given an m x n x 3 array (much like CData in images), fin...

12 years ago

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Put two time series onto the same time basis
Use interpolation to align two time series onto the same time vector. This is a problem that comes up in <http://www.mathwork...

12 years ago

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"Look and say" sequence
What's the next number in this sequence? * [0] * [1 0] * [1 1 1 0] * [3 1 1 0] * [1 3 2 1 1 0] This a variant on the w...

12 years ago

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Text processing - Help Johnny write a letter home from camp
Johnny overuses the word 'great'. Write a script that will help him with this and future letters. If a sentence contains more ...

12 years ago

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Create a matrix with difference of each row of input matrix
With a given input matrix A, create a output matrix B in such a way that each row in B is a difference of rows of input matrix A...

12 years ago

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Square wave average calculation
Given its peak and duty cycle, calculate avg value of square wave

12 years ago

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Sort complex numbers into complex conjugate pairs
Sort complex numbers into complex conjugate pairs. Example: Input x = [3-6i -1-4i -1+4i 3+6i] Sorted output = [-1 - ...

12 years ago

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Evaluate Polynomial
Given a polynomial equation coefficients in a vector p, you have to return its value at x. Example: For inputs p and x ...

12 years ago