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How to Concatenate two strings?
How to Concatenate two strings?

7 years ago

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Log of a number
Write a script that will give the log of x as output.

7 years ago

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Create tangent function out of sin and cos
Please don't use tan(x) directly

7 years ago

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Create logical matrix with a specific row and column sums
Given two numbers *|n|* and *|s|*, build an |n-by-n| logical matrix (of only zeros and ones), such that both the row sums and th...

7 years ago

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Palindrome Check
Check whether the entire matrix is palindrome or not. Example matrix = [7 8 7] matrix_reverse = [7 8 7] So the mat...

7 years ago

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Compare two strings.
Compare two strings, whether they are equal or not.

7 years ago

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Replace Nan!
Replace Nan in the given vector(v) with 9999.

7 years ago

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Piecewise linear interpolation
Given an Mx2 vector and a row of M-1 integers, output a two column vector that linearly interpolates Y times between each succes...

7 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...

7 years ago

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Penny flipping - calculate winning probability (easy)
Two players are playing a fair penny flipping game. For each flip, the winner adds one penny from the loser's collection to his/...

7 years ago

Solved

Return a list sorted by number of consecutive occurrences
Inspired by Problem 38 by Cody Team. Given a vector x, return a vector y of the values in x sorted by the number of CONSECUTIVE...

7 years ago

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Count from 0 to N^M in base N.
Return an array of numbers which (effectively) count from 0 to N^M-1 in base N. The result should be returned in a matrix, with ...

7 years ago

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Construct an index vector from two input vectors in vectorized fashion
Create an index vector defined by two input vectors, one defining the beginnings of one or more index ranges, and the other defi...

7 years ago

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generate number in particular way
A = [1 5 2 7]; MAX = 10; generate a array Y = [1 2 2 2 2 2 3 3 4 4]; i.e. total eleme...

7 years ago

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Is It a Palindrome?
Given a string or array, determine if it is a palindrome.

7 years ago

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matrix of natural number
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 resides seially as shown in the examples below. ...

7 years ago

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Sum of cubes
Write a program to determine sum of cubes of first n odd numbers.

7 years ago

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Parallel vectors
Return true or false depending on whether 2 vectors are parallel or not. Vectors can be 2 or 3 dimensional. The origin is not c...

7 years ago

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Concatenate strings
concatenate a variable number of input strings to produce one outputstring

7 years ago

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Energy of a photon
*&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883* Given the frequency F of a photon in giga hertz. Find energy E of this...

7 years ago

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Solve expression I
Solve expression (1+sin(x))/cos(x)+cos(x)/(1+sin(x)) for given vector x.

7 years ago

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true or false
if the matrix has a zero, return true. else, return false

7 years ago

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Area of a Square
Given the length x of the side of a regular square, find the area of the square, A.

7 years ago

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Sum the rows
Sum the rows of the given matrix. Example x = [ 1 2 3 4 ] y = [ 3 7 ]

7 years ago

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The prisoner
"We want information, information, information." "Who are you?" Input can be a string or a number (array).

7 years ago

Solved

Test if a Number is a Palindrome without using any String Operations
*Description* Given an integer _X_, determine if it is a palindrome number. That is, _X_ is equal to the _X_ with the digits ...

7 years ago

Solved

Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

7 years ago

Solved

Calculate inverse matrix in m by n matrix
x=(1:10)' y=roundn(2*x+7*rand(size(x)),-1) a*x=y Estimate a using inverse matrix calculation. This is principle of li...

7 years ago

Solved

Change matrix to vector2
From x = 4 3 5 1 5 1 To y = 4 3 5 1 ...

7 years ago

Solved

Calculate some equation
Using given inputs x and z, make two outputs that are y1 = (xz)/(x/z)^2 + 14x^2 - 0.8z^2 y2 = x^z - z^x + (x/z)^2 - (z/x...

7 years ago