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Tiling a matrix
Given a matrix and a number of columns, replicate matrix in a single row

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Calculate value of capacitor
Given the value of resistance and time at which capacitor charges to it's 99%. calculate the value of capacitor

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calculate RMS voltage
given peak to peak voltage, calculate rms voltage

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Negative matrix
Change the sign of all elements in given matrix.

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Getting the indices from a matrix
Inspired by Problem 645. Getting the indices from a matrix. Given a matrix A (or a vector), return the indices (always in row...

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Project Euler: Problem 9, Pythagorean numbers
A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 = 9 + 16 ...

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Is the Point in a Circle?
Check whether a point or multiple points is/are in a circle centered at point (x0, y0) with radius r. Points = [x, y]; c...

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Spherical Volume
Calculate the volume of a sphere.

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Square root of number
Square root of given number.

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Perfect Square or not
find Given input x is perfect square or not,if yes then output y=1.else y=0

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Are you in XY plane?
Take a point P as an input position Vector (x,y,z). If you are in XY plane, return 1 as an output otherwise return 0. Example...

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Convert a vector into numbers
Suppose a vector x = [ 1 2 4 7] is given. You have to convert this vector into string number y = '1247'. Examples x = [ 1...

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Integer or Float?
Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...

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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...

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Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

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Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

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Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

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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...

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kmph to mps
convert kilometer per hour to meter per second

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find radius of cone
if Slant height of Cone(I)& hight of Cone(H) given then find radius of the Cone(R) for example I=5,h=4 then the ans R=3;

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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...

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Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

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Find 100 from a Matrix and Replace With 0 with less computation time
pls use this matrix x = [208 40 167 180 112 70 192 215 90 19 231 100 9 100 97 100 ...

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Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

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Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

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index of n^2 in magic(n)
input=5 magic matrix 17 24 1 8 15 23 5 7 14 16 4 6 13 20 22 10 ...

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Find the index of n in magic(n)
If input n=5, then magic(n) is 17 24 1 8 15 23 5 7 14 16 4 6 13 20 22...

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Determine if input is divisible by three.
Given a positive integer, n, determine if n is divisible by 3. If yes, the function should output true. If no, false.

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Is My Wife Wrong?
Answer the question. (see also <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right Problem 149: Is my ...

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Change string to number
Change given string to number. (hint: there is already function) Changing from ['1234'] to [1234] is one of example

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