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Shaun


Last seen: 3 months ago
182 total contributions since 2012

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Solved


Return area of square
Side of square=input=a Area=output=b

8 months ago

Answered
Help with GUI push buttons and multiple axes
Read up on callbacks <http://www.mathworks.com/help/matlab/interactive-control-and-callbacks.html Matlab Help> Concept: ...

6 years ago | 0

Solved


Transpose
Write a MATLAB script in order to convert a random length row vector (v) into a column vector.

7 years ago

Solved


First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

7 years ago

Solved


Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

7 years ago

Solved


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

7 years ago

Solved


Find last zero for each column
Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...

7 years ago

Solved


Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

7 years ago

Solved


Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

7 years ago

Solved


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

7 years ago

Solved


Average of square wave
given positive and negative peak , calculate dc level, 50% duty cycle

7 years ago

Solved


Volume and area of a sphere
Input(r) - radius Output([v,s]) - volume and area

7 years ago

Solved


Back to basics 4 - Search Path
Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the user's portion of the current search...

7 years ago

Solved


Back to basics 15 - classes
Covering some basic topics I haven't seen elsewhere on Cody. Return the class of the input variable.

7 years ago

Solved


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

7 years ago

Solved


Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.

7 years ago

Solved


Who invented zero?
We know the importance zero in computer science, mathematics... but who invented zero? Clue: He was the first in the line ...

7 years ago

Solved


Find Index of maximum Value and maximum Value of a vector
Find the Index of the first occurrence of the maximum value in a vector and also the maximum value in the vector. Example: [...

7 years ago

Solved


Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

7 years ago

Solved


Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

7 years ago

Solved


Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...

7 years ago

Solved


Sorting
Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

7 years ago

Solved


Back to basics 17 - white space
Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable

7 years ago

Solved


Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product

7 years ago

Solved


Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

7 years ago

Solved


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

7 years ago

Solved


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 ...

7 years ago

Solved


Find max
Find the maximum value of a given vector or matrix.

7 years ago

Solved


Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

7 years ago

Solved


Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

7 years ago

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