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

etwa 10 Jahre vor

Gelöst

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,...

etwa 10 Jahre vor

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Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

etwa 10 Jahre vor

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

etwa 10 Jahre vor

Gelöst

Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

etwa 10 Jahre vor

Gelöst

Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

etwa 10 Jahre vor

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the hourly wage times 40 and times 50, because annualSalary = hour...

etwa 10 Jahre vor

Gelöst

Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

etwa 10 Jahre vor

Gelöst

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 ...

etwa 10 Jahre vor

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

etwa 10 Jahre vor

Gelöst

Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

etwa 10 Jahre vor

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

etwa 10 Jahre vor

Gelöst

Circle area using pi
Write a statement that assigns circleArea with the circle's area given circleRadius. Use the built-in mathematical constant pi. ...

etwa 10 Jahre vor

Gelöst

Compute total cost
A soda costs 2 dollars. A taco costs 3 dollars. Write a statement that assigns totalCost with the total meal cost given the numb...

etwa 10 Jahre vor

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Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

etwa 10 Jahre vor

Gelöst

The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

etwa 10 Jahre vor

Gelöst

Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

etwa 10 Jahre vor

Gelöst

Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

etwa 10 Jahre vor

Gelöst

Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

etwa 10 Jahre vor

Gelöst

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

etwa 10 Jahre vor

Gelöst

Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

etwa 10 Jahre vor

Gelöst

Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

etwa 10 Jahre vor

Gelöst

Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

etwa 10 Jahre vor

Gelöst

Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

etwa 10 Jahre vor

Gelöst

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

etwa 10 Jahre vor

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

etwa 10 Jahre vor

Gelöst

Column Removal
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 ...

etwa 10 Jahre vor

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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

etwa 10 Jahre vor

Gelöst

Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

etwa 10 Jahre vor

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Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

etwa 10 Jahre vor