# calvin son

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**Content Feed**

Solved

Calculate Parallel Resistance

Three resistors connected in parallel have resistances R1, R 2, and R 3, respectively. Return the total resistance R total of ...

21 days ago

Solved

Resistance of a light bulb

The current through two identical light bulbs connected in series is C Amperes. The total voltage across both bulbs is V Volts....

21 days ago

Solved

Force and Motion 3

Two robots push on a large object in the same direction. One robot pushes with a force of F1 Newtons and the other with a force...

21 days ago

Solved

Determine if Input is Oddish or Evenish (Odd/Even Sum of Digits)

Given a positive integer n, determine whether n is "oddish" or "evenish" - that is, whether the sum of the digits of n is odd or...

21 days ago

Solved

Find Air Temperature from Cricket Stridulation Rate

Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...

27 days ago

Solved

Force and Motion 2

Two robots are pulling on an object in opposite directions. One robot pulls with a force of F1 Newtons and the other with a forc...

3 months ago

Solved

Back to basics 10 - Max Float

Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive floating-point number MATLAB can han...

4 months ago

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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...

4 months ago

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Cycling — Critical Power

From Training and Racing with a Power Meter by Allen and Coggan: "A number of equations have been presented in the scientific...

4 months ago

Solved

Free-time Equation

Given a 7-day week, an *_nc_* -number of *_tc_* -hour classes, *_ta_* -hours awake in a day, and *_tw_* -hours that you work in ...

4 months ago

Solved

How to get the additive inverse of a uint8.

Given x as a uint8 find the additive inverse y.

4 months ago

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Specific Element Count

Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

4 months ago

Solved

Building matrices

If you have matrix A, create matrix B using matrix A as an "element" A = [1 2 3 4; 5 6 7 8...

4 months ago

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Error handling

If the input is a negative number, generate an error. Otherwise, return the number.

4 months ago

Solved

The last non-zero digit of a factorial

For given positive integer n, what is the last non-zero digit of n!? Example: factorial(11) = 39916800 Last non-zero d...

4 months ago

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Approximation of Pi (vector inputs)

Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

4 months ago

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Vector pop

Take |n| elements from the end of the vector |v| and return both the shorten vector |v| and the |n| elements in a separate vecto...

4 months ago

Solved

Moving average (variable kernel length)

Find the moving average in a vector. The kernel length is a variable. For example x = 1:10 kernel_length = 2 would r...

4 months ago

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Please check the last row

We have data of matrix, that is input. That contains 2 or more rows and the last row should contain the average of each column,...

4 months ago

Solved

Calculate the hypotenuse of a right triangle without using ^ and sqrt ()

Find out the hypotenuse of right triangle. Say a = 4, b = 3 then c = 5 Please don't use ^ and sqrt() function.

4 months ago

Solved

Array ex-OR

There are in MATLAB logical functions such as _<http://www.mathworks.co.uk/help/matlab/ref/and.html and>,_ _<http://www.math...

4 months ago

Solved

Calculate cosine without cos(x)

Solve cos(x). The use of the function cos() and sin() is not allowed.

4 months ago

Solved

Calculate sin(x) without sin(x)

Calculate y = sin(x) x = 0 -> y= 0 without the use of sin(x) or cos(x)

4 months ago

Solved

Number of even divisors of a given number

Given a Number n, return the number of its even divisors without listing them. example: n=14 ; EvenDivisors={2,14} ; y=2 ...

4 months ago