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Find out rooms, peak to peak, average for a square wave.
Find out rms, peak to peak, average for a square wave from peak value. <http://www.rfcafe.com/references/electrical/square-w...

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Triple function composition
Given three functions f,g and h, create the composed function y=f(g(h)). Example f = @(x) x+1 g = @(x) x/2 h = @(x) ...

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Compute taylor series.
Compute the taylor series for f(x)=e^x up to n terms; eg: x=20 n=40 need to compute the taylor series for f(x) up t...

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Volume of Cylinder
Compute the Circumference of a Cylinder given it's radius and height.Here x is the radius and y is the height

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create square matrix of stars.Given z where rows and columns equal to max of z
create square matrix of stars.Given z where rows and columns equal to max of z

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Calculate the logarithm of number
Calculate the logarithm of number x

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Form Blocks in a 1D array
Lets say I have an array of size (10,1); I want to divide it into the num number of blocks which are given by user no_of_b...

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Look and say Conway's sequence
In mathematics, the look-and-say sequence is the sequence of integers beginning as follows: 1, 11, 21, 1211, 111221, 312211, ...

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Esoteric Trigonometry
From Wikipedia: "All of the trigonometric functions of an angle θ can be constructed geometrically in terms of a unit circle cen...

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Long-digit Subtraction
Suppose you need to subtract a very large integer from another integer. <http://www.mathworks.com/matlabcentral/cody/problems/56...

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. So if input x is x = [1 2 3 5] then the output y should be 11.

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. So if input x is x = [1 2 3 5] then the output y should be 11.

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. So if input x is x = [1 2 3 5] then the output y should be 11.

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Fraction of a fraction of a ...
One sort of brainteaser problem is a math problem wherein you are asked what the given fraction of a fraction of a ... number is...

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De-primed
Write a function that will multiply every prime number in the array or matrix by two, leaving all other numbers the same, and re...

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Evened up (or not)
You will be provided with an array or matrix that contains various numbers, in addition to an evening variable, e, set to 1 or 0...

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How close to a hole
Suppose you have a description of good places (ones) and bad places (zeros). You want to know your distance from a bad place (in...

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given number is power of n or not?
Check weather The input is power of n or not? for example x=8,n=2 --> true x=6,n=2 --> false

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With apologies to William Blake
Coder Coder, typing fast Sitting at your desk, aghast. What immortal MATLAB script will solve this problem, nice and qu...

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Accessing value of variable whose name is stored in another variable as string.
Accessing value of variable whose name is stored in another variable as string. for example: var1=n; var2='var1'; %Assigning...

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Convert Decimal Number to Hex number (including non integer value)
Convert Decimal Number to Hex number (including non integer value) E.X. (2598.675) in decimal = A26.ACCC in hexa

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Random Gaussian Surface Generation
You may use something like: N = [500 500]; % size in pixels of image F = 3; % frequency-filter width [X,Y] = nd...

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Why does the time scale for a ifft depend on the frequency interval of the frequency signal?
If you have a signal x with N samples acquired at a sampling rate Fs, then: 1) The time axis of your vector x (the time ass...

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Finding the "center integers" of an array
x = [1 2 3 10 11 12 15 16 17 20 21 22 23 24 30]; y = cellfun(@mean,mat2cell(x, 1, diff(find(diff([nan x nan])~=1))));

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Finding the "center integers" of an array
x = [1 2 3 10 11 12 15 16 17 20 21 22 23 24 30]; y = x(floor(convn(find(diff([nan x nan])~=1),[1 1]/2,'valid')));

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Stop the execution of a function with a push button (GUIDE)
See <http://www.mathworks.com/matlabcentral/answers/142147-gui-push-button-problem this related question> Using drawnow withi...

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Write a function man that takes a row vector v and returns a matrix H as follows..
Write a function called man that takes a row vector v as an input and returns a matrix H whose first column consist of the eleme...

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Increase monotonically
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

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Test if a number is numeric or not
Test if a number is numeric or not

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Stress-Strain Properties - 1
This is the first in a series of problems regarding mechanics of materials, in particular, material properties drawn from stress...

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