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

2 years ago

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Number of odd and even elements within matrix
Input(m) - any matrix with integers Output(n) - n(1)=number of odd elements, n(2)=number of even elements Example: * m=...

2 years ago

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Compute an improper integral of a ratio of algebraic functions

2 years ago

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Compound Interest : Future Value
Theorem : Compound Interest where, F : Future value at the end of n periods P : Present value r : Annual nominal rate n :...

2 years ago

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Simple Interest : Calculate time in years
Theorem : Simple Interest where; F : Future Value P : Present Value r : Annual simple interest rate (decimal) t : Time in...

2 years ago

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Multiply each matrix element by its row index and add its column index.
Return a matrix the same size as the input, multiply each element by its row index and add its column index. Example: x = [ 1 ...

2 years ago

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Find circular arc length, sector area and segment area
Given a circular arc passing through the points P = [ x1 y1 ] and Q = [ x2 y2 ] such that the center angle of the arc (in degree...

2 years ago

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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

2 years ago

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Find out if Quadratic Equation has real roots or not?
Input [a b c] ax^2+bx+c=0 Output [1 or 0] 1= Quadratic Equation has real roots 0= Quadratic Equation has imaginary roots

2 years ago

Solved

Find the moving-average of the elements of a vector
Example Input vector: [1 2 3 4] output vector: 1st element=1/1, 2nd element=(1+2)/2, 3rd element=(1+2+3)/3, 4th element=(1+2...

2 years ago

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Area under the curve
Compute area under the curve specified by points stored in y, where y is in range (0,inf) and x time step is 1. note: please r...

2 years ago

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Acid-Base Chemistry: Which side of the reaction is more favorable?
In an Acid-Base reaction, there is always going to be an acid, a base, a conjugate acid, and a conjugate base. When provided wit...

2 years ago

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Replace every 3rd element in a vector with 4
x is a vector of undetermined length You are to replace every 3rd element with the number 4, example: x = [11 23 34 43 2 3...

2 years ago

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Find the slope of a line that passes through two vectors
Given two vectors p1 and p2, return the slope of a line that passes through p1 and p2. Examples: Input [p1,p2] = deal([0,1],[...

2 years ago

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surface of parallelogram
Given 2 vectors of each 3 elements, determine the surface of the parallelogram which can be created from these 2 vectors.

2 years ago

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Vector parallel to plane?
Given the coefficients of the equation which defines a plane as follows: ax+by+cz=d, return a boolean indicating whether the 2n...

2 years ago

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Sudoku square
We have a small Sudoku square, but one number is missing. x = [ 1 5 4 8 6 3 0 9 7 ] Make a function, wher...

3 years ago

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Sudoku

3 years ago

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Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

3 years ago

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factorial_calc(n)
Write a MATLAB function called factorial_calc(n) that takes a positive integer n as input and calculates the factorial of n. The...

3 years ago

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Draw '5' in Chinese.
Draw a x-by-x matrix '五' using 1s and 0s. Example: x=5 ans= [1 1 1 1 1 0 1 0 0 0 1 1 1 1 0 0 1 0 1 0 1 1 1 1 1] x=7...

3 years ago

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Red Cross ❌

3 years ago

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Pascal's Triangle
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...

3 years ago

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Voltage in a lamp
A lamp is measured to have a resistance of R ohms when it operates at a power of P Watts. What is the voltage (in volts) being a...

3 years ago

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Find the force required to support a lever
Students are designing a robot that will lift a block to the equilibrium position for transport to the scoring area. They have d...

3 years ago

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Magnitude of Balancing Force
A box weighing W1 pounds is placed where its center of mass is located d1 ft from the fulcrum. A balancing force is placed at th...

3 years ago

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Coefficient of Static friction
The coefficient of static friction between two surfaces is u. What force must be used to move a W lb. crate on a horizontal sur...

3 years ago

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Coefficient of Sliding Friction
A weight of W1 N rests on a horizontal plane. The plane is gradually inclined until at an angle θ = Ao with the horizontal, the ...

3 years ago

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Linear Motion 6
An experimental vehicle traveling at v1 m/s is brought to a full stop in t seconds. How far does it travel before stopping? Roun...

3 years ago

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Linear Motion 5
A robot moving down an incline for 3 seconds undergoes a uniform acceleration of a ft/s2. If the robot has an initial velocity o...

3 years ago