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Case-insensitive Character Detection
Find the index of a particular character in a string ignoring case. Example Input: x = 'aAbhhfdf' n = 'a' ...

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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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Respondida
How to Resize data in column vector?
A=[0;0;0;0;0;232;222;245;342;232; 0;0;0;0;0;0;0345;323;324;345;343;0;0;0]; idx = []; for i1 = 2:length(A) if and(...

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commutative?
Given the handle to a binary function that takes two ordinary numbers, test if the function is commutative.

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Specific toolboxes
Given a string that is the name of a MATLAB toolbox, return true if it is available on the Cody solvers evaluation system, false...

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Matrix Generation.
if input n =1, generate a matrix y = [1]

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find the relation...
if given input is 1, output is 4. if input is 55, output is 3136.

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Calculate the h-index
H-index is a powerful tool for quantifying the scientific contribution of a researcher. H-index is defined as follows (source - ...

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Pregunta

Matlab Trendy - error everyday
My trendy ( <http://www.mathworks.com/matlabcentral/trendy/trends/2270 link> ) shows the following error everyday: This ...

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Lucy posits that if a person were able
Lucy posits that if a person were able to somehow assess 100 percent of his or her brain capacity, [url=http://www.wakdanfc....

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Interpolation of Hankel function
I need to interpolate a sampled function combined of Hankel and Bessel functions. (received wave of antenna) Any one has g...

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Find the area of a rectangle if length of the diagonal is given.
if length of a diagnonal in rectangle is 5. Its area is 12.

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Area of a circle
Find the value for area of the circle if diameter is given

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Signal Processing Basic - 1. Stretch a signal
Input vector V is a discrete time signal assuming the first sample is sampled at t=0. This signal has to be stretched in time. ...

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remove single elements
Given a vector of integers, remove the elements that have appeared only once. The output elements should be in exact order as th...

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grazing cows
Here is a fun problem I encountered in high school. Two cows are grazing in an enclosed square-shaped field of side length s ...

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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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Diagonal of a Spiral Matrix
Write a function that will return same output as diag(spiral(n)). The only exception is that spiral and diag functions are not a...

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birthday on same day of week
Say, Mr. X's birthday is on 20th July, 2014. It was Sunday. Determine the closest year when his birthday will again be on Sunday...

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Product of elements in row
Product of matrix such that a=[3 3 1] b=9

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Musical Note Interval 1 - Diatonic Scale
Assuming a simple diatonic C scale, calculate the interval (integer) between two notes (provided as strings). By applying number...

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Clear functions with the same name in different packages independently
See the test suite. N.B.: Overwriting files or functions a.k.a. cheating is not necessary.

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Magnet and Iron
(Inspired from <http://www.mathworks.com/matlabcentral/cody/problems/112 Problem 112: Remove the air bubbles>) Iron (atomic n...

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Bernoulli's Equation
Bernoulli's equation states that for an incompressible fluid the following summation is constant across the flow: v^2/2 + g*z + ...

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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 ...

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Consecutive Equation Times (of the day)
Many times throughout the day can represent mathematical equations. In this problem, we focus on the largest consecutive run of ...

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Equation Times (of the day)
Many times throughout the day can represent mathematical equations. In this problem, we focus on times that include the four bas...

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Power Times (of the day)
Many times throughout the day can represent mathematical equations. In this problem, we focus on times that represent powers. Fo...

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Find the relation
Take x as input and y as output. If x=1 y=3 If x=2 y=14 If x=3 y=39 If x=4 y=84 Based on this relation find giv...

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Square Diagonal
If n is the given number, then make a diagonal matrix of size 2*2 with the square of that number.

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