Inductor Energy Storage Calculation
The energy (EEE) stored in an inductor is given by the formula:
Where:
E is the energy in joules (J)
L is the inductance in...
Energy Stored in a Capacitor
The energy (E) stored in a capacitor is given by the formula:
where:
C is the capacitance (in farads)
V is the voltage (in ...
Simple Electrical Power Calculation
Calculate the electrical power using the formula:
P=V×I
where:
V is the voltage (in volts)
I is the current (in amperes)
6ヶ月 前
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Ohm’s Law - Calculate Resistance
Ohm’s Law states that resistance R can be calculated as:R=V/I
where:
V is the voltage (in volts)
I is the current (in ampere...
Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.
6ヶ月 前
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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.
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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes.
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If you want to get a random permutation of integer...
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Number of 1s in a binary string
Find the number of 1s in the given binary string.
Example. If the input string is '1100101', the output is 4. If the input stri...
Create times-tables
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...
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Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes.
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You may already know how to find the logical indices o...
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 = [1,2,3];
Returns 1.
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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false.
Example...
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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example:
[q,r] = swap(5,10)
returns q = ...
6ヶ月 前
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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];
...
6ヶ月 前
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Reverse the vector
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]