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Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

Solve this!

4 years ago

Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

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

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

Given a and b, return the sum a+b in c.

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

Regardless of input, output the string 'yes'.

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

Given the input n, return true if n is odd or false if n is even.

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

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