1,095 total contributions since 2010

My interest is everything related to numerical schemes applied to PDE and Oceanography, UABC.

Solved

Scalar Matrix Manipulation

Assume, input x is a scalar matrix such as, x = 2 0 0 0 2 0 0 0 2 th...

6 days ago

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Vector LCM

* Find Least Common Multiple of a given vector. * Need general solution as the test suite will be expanded. * Function Templa...

18 days ago

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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...

18 days ago

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Gauss Eliminate 2-by-2 example

Use forward elimination to make the coefficient matrix, A, an upper triangular matrix, and then solve using back substitution, f...

18 days ago

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Repeat Vector Values an Arbitrary Number of Times

Given two vectors of the same size, repeat the values of the first vector the number of times given in a second vector. For exam...

1 month ago

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Cube root of max value in a vector

Find the cube root of the maximum value in a vector

1 month ago

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Determine the number of correct and incorrect answers

In a Multiple Choice Question Test, you are to sort out answer from 4 samples, one of them is correct answer. There are 50 quest...

1 month ago

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Basic matrix operations using standard MATLAB commands

Create the matrix: 1.0e+15 * 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000...

1 month ago

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Nth root of a number

Given an input and a number N, find the Nth root of the number(s)

1 month ago

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Archimedes principle

According to Archimedes principle, the buoyancy force is equal to the weight of fluid displaced by the submerged portion of an o...

1 month ago

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Find the outlier in a set of samples

Given an array x of numbers. Assumed that this array has one outlier. Find the position p and the value v of the outlier in this...

1 month ago

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basic matrix operations: rotate and find sum of diagonal elements of the resultant matrix

For given input matrix a, rotate it by 90 degrees and find the sum of the diagonals. Example: Input: a = 1 ...

1 month ago

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Reverse the Matrix

Given a Matrix A, reverse it. Such that, last element of A becomes 1st and vice versa. for example: Input = [1 2 3;4 5 ...

1 month ago

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find number of times of occurrence of the most frequent number in a row vector

In a given row vector, find the number of times a mode of a row vector has occurred example: in [2 5 5 5 5 3], output is 4 ...

1 month ago

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surface of parallelogram

Given 2 vectors of each 3 elements, determine the surface of the parallelogram which can be created from these 2 vectors.

1 month ago

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Sum two real numbers

It seems easy, but... You cannot use +, -, plus, diff, cumsum, *, prod, times, etc.

1 month ago

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iteration of N blank spot

we have N spot which can be blank o filled calculate the number of iteration for these spots. e.g. N=2 1- blank blank 2- bl...

1 month ago

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Determine given vector is even or odd

Find the numbers of the input vector is odd or even then replace even with 1 and odd with 0 Example x = [ 3 3 4 6 1] ...

1 month ago

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Phoneword Translator

Given an alphanumeric telephone number (Ex. 1-800-COLLECT), return the purely numeric phone number as a vector. This problem use...

2 months ago

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How many solutions has this problem?

Guess, predict or calculate :-) (You will be scored by the accuracy). Update: <http://www.mathworks.co.uk/matlabcent...

2 months ago

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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

2 months ago

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Calculate the peak value of square wave

Given the peak value of sine wave, calculate corresponding peak value of square wave, if both have same RMS voltage.

2 months ago