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# Shaun

##### Last seen: 15 jours ago
182 total contributions since 2012

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

25 jours ago

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: ...

environ 5 ans ago | 0

Solved

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

plus de 6 ans ago

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

plus de 6 ans ago

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

plus de 6 ans ago

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

plus de 6 ans ago

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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...

plus de 6 ans ago

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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.

plus de 6 ans ago

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

plus de 6 ans ago

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

plus de 6 ans ago

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

plus de 6 ans ago

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

plus de 6 ans ago

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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...

plus de 6 ans ago

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

plus de 6 ans ago

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

plus de 6 ans ago

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

plus de 6 ans ago

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

plus de 6 ans ago

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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: [...

plus de 6 ans ago

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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...

plus de 6 ans ago

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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 ...

plus de 6 ans ago

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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] ...

plus de 6 ans ago

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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...

plus de 6 ans ago

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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

plus de 6 ans ago

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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

plus de 6 ans ago

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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 ...

plus de 6 ans ago

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

plus de 6 ans ago

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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 ...

plus de 6 ans ago

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

plus de 6 ans ago

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

plus de 6 ans ago

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