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Find the largest value in the 3D matrix
Given a 3D matrix, A, find the largest value. E.g. >> A = 1:9; >> A=reshape(A,[3 1 3]); >> islargest(A) ans = 9

fast 13 Jahre vor

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Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...

fast 13 Jahre vor

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Replace May with April
For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

fast 13 Jahre vor

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02 - Vector Variables 2
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_2b.png>>

fast 13 Jahre vor

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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 ...

fast 13 Jahre vor

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Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

fast 13 Jahre vor

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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

fast 13 Jahre vor

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

fast 13 Jahre vor

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

fast 13 Jahre vor

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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.

fast 13 Jahre vor

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What percentage?
Calculate the output c as the percentage of a on b for given a and b.

fast 13 Jahre vor

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What number has this problem?
This problem is added because it is problem number *???* in the "Community" problems section. <http://www.mathworks.de/matlab...

fast 13 Jahre vor

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

fast 13 Jahre vor

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Try 1.5.4: Celsius to Fahrenheit
Write a program to convert an input given in Celsius to Fahrenheit. Examples: Input celsiusValue = 100 Output fahrValu...

fast 13 Jahre vor

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Number of digits in an integer
Specifies how many digits in a given integer. Example: in=100 ==> out=3

fast 13 Jahre vor

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

fast 13 Jahre vor

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The sum of the numbers in the vector
eg. [1,2,3]---->SUM=6

fast 13 Jahre vor

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find the maximum element of the matrix
for e.g x = [1 2; 3 4] y = 4

fast 13 Jahre vor

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kmph to mps
convert kilometer per hour to meter per second

fast 13 Jahre vor

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

fast 13 Jahre vor

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Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

fast 13 Jahre vor

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Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

fast 13 Jahre vor

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Back to basics 11 - Max Integer
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

fast 13 Jahre vor

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Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

fast 13 Jahre vor

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Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

fast 13 Jahre vor

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Accessing elements on the diagonal
Access the diagonal elements of a matrix without 'diag' function

fast 13 Jahre vor

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

fast 13 Jahre vor

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Return 'on' or 'off'
When the input is true, return 'on', otherwise, return 'off'.

fast 13 Jahre vor

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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

fast 13 Jahre vor

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Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

fast 13 Jahre vor