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subtract central cross

Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

6 years ago

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Simple date to serial no. conversion

Convert a date string to a serial date number. For example if you take x='19-May-2001' then the result is 730990 x...

6 years ago

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Calculate correlation.

There are two data. y1=[0 1 2 3 4]' y2=[2 3 4 5 6]' We can see positive relationship between y1 and y2. The relations...

6 years ago

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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...

6 years ago

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Flip the bit

Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

6 years ago

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Signed Magnitude

For a given input vector, return the value that is furthest from zero. For example, if x = [1 2 -12] return -12.

6 years ago

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Make roundn function

Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

6 years ago

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Find and replaces spaces from a input string with *

For a given input string str, find how many spaces are there in the string and replace those spaces with * e.g. str = 'this is ...

6 years ago

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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...

6 years 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...

6 years ago

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Find nth maximum

Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

6 years ago

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Upper triangular matrix

Create a function to retrieve the upper triangular matrix of a matrix (without using tril). The matrix will always be square. ...

6 years ago

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Let's see how peculiar we can get

The task is to multiply two numbers. But do it in the most peculiar possible way.

6 years ago

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Determine the length of a string of characters

Determine the length of a string of characters

6 years ago

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COUNT VOWEL

Count, how many times vowels occurred. EXAMPLE: x='string the MaTLaBiAn' then the answer will be 6. x='coUnt the vowEl' th...

6 years ago

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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.

6 years ago

Solved

Find the product of a Vector

How would you find the product of the vector [1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0] times 2?; x = [1 : 0.5 : 6]; y ...

6 years ago

Solved

Put Two 1D matrices into one 1D matrix

Example: If input a = [1 2 3 4 5]; input b = [10 9 8 7 6]; then output will be, y_correct = [1 10 2 9 3 8 4 7 5...

6 years ago

Solved

Create a Matrix of Zeros

Given an input x, create a square matrix y of zeros with x rows and x columns.

6 years ago

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Basics: Divide integers to get integer outputs in all cases

Divide integers a and b in such a way that output y is always an integer (in ceil manner)

6 years ago

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Max index of 3D array

Given a three dimensional array M(m,n,p) write a code that finds the three coordinates x,y,z of the Maximum value. Example ...

6 years 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...

6 years ago

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Average of square wave

given positive and negative peak , calculate dc level, 50% duty cycle

6 years ago

Solved

Vector Magnitude Calculator

'a' is a vector that starts at the origin and ends at (x, y). Find ||a||. Hint: It is as simple as "ABC".

6 years ago