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Determine if a row vector has NaN
Determine if a row vector x has NaN

4 months ago

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Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

4 months ago

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Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

4 months ago

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Finding an element in a vector
x is a vector of unknown length your function should return the index of the first element in the vector that is greater than...

4 months ago

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Change string to number
Change given string to number. (hint: there is already function) Changing from ['1234'] to [1234] is one of example

4 months ago

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raise 1/3
Raise a number to 1/3 power.

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Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.

4 months ago

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

4 months ago

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

4 months ago

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Matlab Basics II - Create a vector with a repeated entry
Create a row vector of length n, filled with 4's, for example, if n = 3 output = [4 4 4] make sure to round UP when n is a...

4 months ago

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Matlab Basics - Convert a row vector to a column vector
Write a script to convert a row (e.g. x = [1 2 3]) to a column (e.g. y = [1;2;3]), your script should be able to do this for any...

4 months ago

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imaginary results
Return the value of the imaginary number i to the power of input argument n.

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Golden ratio
Calculate the golden ratio. Hint: phi^2 = phi + 1.

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matrix of natural number
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 resides seially as shown in the examples below. ...

4 months ago

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Output any real number that is neither positive nor negative
Output any real number that is neither positive nor negative

4 months ago

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Solving Quadratic Equations (Version 1)
Quadratic equations have the form: ax^2 + bx + c = 0. Example: x^2 + 3x + 2 = 0, where a = 1, b = 3, and c = 2. The equation has...

4 months ago

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Basics: 'Find the eigenvalues of given matrix
Find the eigenvalues y for a given matrix x.

4 months ago

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Factorial Numbers
Factorial is multiplication of integers. So factorial of 6 is 720 = 1 * 2 * 3 * 4* 5 *6 Thus 6 factorial = factorial(720)....

4 months ago

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Matlab Basics II - Minimum
Write a function that returns the minimum of each ROW of a matrix x example: x = [1 2 3; 4 5 6]; output [1;4];

4 months ago

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

4 months ago

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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.

4 months ago

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surface of a spherical planet
you just discovered its circumference, that is the input.

4 months ago

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Back to basics 5 - Clipboard
Covering some basic topics I haven't seen elsewhere on Cody. Copy the input string to the clipboard

4 months ago

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Change the first and last diagonal element of the identity matrix to zero
Starting with the identity matrix, change first and last diagonal element to zero. Example If n=5 A = 0 0 ...

4 months ago

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Is it column vector?
Is it column vector? Check vector for column vector without using iscolumn function.

4 months ago

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Do Fast Fourier Transformation
Example Fast Fourier Transformation from vector [2,1]) ans = 3 1

4 months ago

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Find out magnitude of vector
Find out magnitude of vector. Say x=[1 2 3], then answer must sqrt(1^2+2^2+3^2) Please don't use sum function. If you l...

4 months ago

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Create an anti-identity matrix
Create an anti-identity matrix of given dimension. Examples n = 2 A = [0 1; 1 0] n = 3 A = [0 0 1; 0 1 0; 1 0 0...

4 months ago

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Convert Decimal Number to Hex number (including non integer value)
Convert Decimal Number to Hex number (including non integer value) E.X. (2598.675) in decimal = A26.ACCC in hexa

4 months ago

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Find the mode of the given input
Find the statistical <http://en.wikipedia.org/wiki/Mode_(statistics)/ mode> of the given input. Example: If X is matr...

4 months ago