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tianyizheng02 merged 6 commits into from
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[ADDED] Implementation of Geometric Mean. #10421

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[ADDED] Implementation of Geometric Mean.
kmtGryffindor20 Oct 14, 2023
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Merge branch 'master' of https://github.com/kmtGryffindor20/Python
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55 changes: 55 additions & 0 deletions maths/geometric_mean.py
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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,55 @@
"""
The Geometric Mean of n numbers is defined as the n-th root of the product
of those numbers. It is used to measure the central tendency of the numbers.
https://en.wikipedia.org/wiki/Geometric_mean
"""


def compute_geometric_mean(*args: int) -> float:
"""
Return the geometric mean of the argument numbers.
>>> compute_geometric_mean(2,8)
4.0
>>> compute_geometric_mean('a', 4)
Traceback (most recent call last):
...
TypeError: Not a Number
>>> compute_geometric_mean(5, 125)
25.0
>>> compute_geometric_mean(1, 0)
0.0
>>> compute_geometric_mean(1, 5, 25, 5)
5.0
>>> compute_geometric_mean(2, -2)
Traceback (most recent call last):
...
ArithmeticError: Cannot Compute Geometric Mean for these numbers.
>>> compute_geometric_mean(-5, 25, 1)
-5.0
"""
product = 1
for number in args:
if not isinstance(number, int) and not isinstance(number, float):
raise TypeError("Not a Number")
product *= number
# Cannot calculate the even root for negative product.
# Frequently they are restricted to being positive.
if product < 0 and len(args) % 2 == 0:
raise ArithmeticError("Cannot Compute Geometric Mean for these numbers.")
mean = abs(product) ** (1 / len(args))
# Since python calculates complex roots for negative products with odd roots.
if product < 0:
mean = -mean
# Since it does floating point arithmetic, it gives 64**(1/3) as 3.99999996
possible_mean = float(round(mean))
# To check if the rounded number is actually the mean.
if possible_mean ** len(args) == product:
mean = possible_mean
return mean


if __name__ == "__main__":
from doctest import testmod

testmod(name="compute_geometric_mean")
print(compute_geometric_mean(-3, -27))
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var __m = "github.com";
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[ADDED] Implementation of Geometric Mean. by kmtGryffindor20 · Pull Request #10421 · TheAlgorithms/Python · GitHub
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55 changes: 55 additions & 0 deletions
maths/geometric_mean.py

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,55 @@
"""
The Geometric Mean of n numbers is defined as the n-th root of the product
of those numbers. It is used to measure the central tendency of the numbers.
https://en.wikipedia.org/wiki/Geometric_mean
"""


def compute_geometric_mean(*args: int) -> float:
 """
 Return the geometric mean of the argument numbers.
 >>> compute_geometric_mean(2,8)
 4.0
 >>> compute_geometric_mean('a', 4)
 Traceback (most recent call last):
 ...
 TypeError: Not a Number
 >>> compute_geometric_mean(5, 125)
 25.0
 >>> compute_geometric_mean(1, 0)
 0.0
 >>> compute_geometric_mean(1, 5, 25, 5)
 5.0
 >>> compute_geometric_mean(2, -2)
 Traceback (most recent call last):
 ...
 ArithmeticError: Cannot Compute Geometric Mean for these numbers.
 >>> compute_geometric_mean(-5, 25, 1)
 -5.0
 """
 product = 1
 for number in args:
 if not isinstance(number, int) and not isinstance(number, float):
 raise TypeError("Not a Number")
 product *= number
 # Cannot calculate the even root for negative product.
 # Frequently they are restricted to being positive.
 if product < 0 and len(args) % 2 == 0:
 raise ArithmeticError("Cannot Compute Geometric Mean for these numbers.")
 mean = abs(product) ** (1 / len(args))
 # Since python calculates complex roots for negative products with odd roots.
 if product < 0:
 mean = -mean
 # Since it does floating point arithmetic, it gives 64**(1/3) as 3.99999996
 possible_mean = float(round(mean))
 # To check if the rounded number is actually the mean.
 if possible_mean ** len(args) == product:
 mean = possible_mean
 return mean


if __name__ == "__main__":
 from doctest import testmod

 testmod(name="compute_geometric_mean")
 print(compute_geometric_mean(-3, -27))

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
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';
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})();
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[ADDED] Implementation of Geometric Mean. by kmtGryffindor20 · Pull Request #10421 · TheAlgorithms/Python · GitHub
Skip to content
[ADDED] Implementation of Geometric Mean.#10421

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Dec 31, 2024
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[ADDED] Implementation of Geometric Mean.
#10421
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Merge branch 'master' of https://github.com/kmtGryffindor20/Python


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55 changes: 55 additions & 0 deletions
maths/geometric_mean.py

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,55 @@
"""
The Geometric Mean of n numbers is defined as the n-th root of the product
of those numbers. It is used to measure the central tendency of the numbers.
https://en.wikipedia.org/wiki/Geometric_mean
"""


def compute_geometric_mean(*args: int) -> float:
 """
 Return the geometric mean of the argument numbers.
 >>> compute_geometric_mean(2,8)
 4.0
 >>> compute_geometric_mean('a', 4)
 Traceback (most recent call last):
 ...
 TypeError: Not a Number
 >>> compute_geometric_mean(5, 125)
 25.0
 >>> compute_geometric_mean(1, 0)
 0.0
 >>> compute_geometric_mean(1, 5, 25, 5)
 5.0
 >>> compute_geometric_mean(2, -2)
 Traceback (most recent call last):
 ...
 ArithmeticError: Cannot Compute Geometric Mean for these numbers.
 >>> compute_geometric_mean(-5, 25, 1)
 -5.0
 """
 product = 1
 for number in args:
 if not isinstance(number, int) and not isinstance(number, float):
 raise TypeError("Not a Number")
 product *= number
 # Cannot calculate the even root for negative product.
 # Frequently they are restricted to being positive.
 if product < 0 and len(args) % 2 == 0:
 raise ArithmeticError("Cannot Compute Geometric Mean for these numbers.")
 mean = abs(product) ** (1 / len(args))
 # Since python calculates complex roots for negative products with odd roots.
 if product < 0:
 mean = -mean
 # Since it does floating point arithmetic, it gives 64**(1/3) as 3.99999996
 possible_mean = float(round(mean))
 # To check if the rounded number is actually the mean.
 if possible_mean ** len(args) == product:
 mean = possible_mean
 return mean


if __name__ == "__main__":
 from doctest import testmod

 testmod(name="compute_geometric_mean")
 print(compute_geometric_mean(-3, -27))

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
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function highlight(node) {
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var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
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found = true;
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parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
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span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[ADDED] Implementation of Geometric Mean. by kmtGryffindor20 · Pull Request #10421 · TheAlgorithms/Python · GitHub
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[ADDED] Implementation of Geometric Mean.#10421

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tianyizheng02
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Dec 31, 2024
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[ADDED] Implementation of Geometric Mean.
#10421
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pre-commit-ci[bot] Oct 14, 2023
0c15acf

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59c5f15

Merge branch 'master' of https://github.com/kmtGryffindor20/Python


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55 changes: 55 additions & 0 deletions
maths/geometric_mean.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,55 @@
"""
The Geometric Mean of n numbers is defined as the n-th root of the product
of those numbers. It is used to measure the central tendency of the numbers.
https://en.wikipedia.org/wiki/Geometric_mean
"""


def compute_geometric_mean(*args: int) -> float:
 """
 Return the geometric mean of the argument numbers.
 >>> compute_geometric_mean(2,8)
 4.0
 >>> compute_geometric_mean('a', 4)
 Traceback (most recent call last):
 ...
 TypeError: Not a Number
 >>> compute_geometric_mean(5, 125)
 25.0
 >>> compute_geometric_mean(1, 0)
 0.0
 >>> compute_geometric_mean(1, 5, 25, 5)
 5.0
 >>> compute_geometric_mean(2, -2)
 Traceback (most recent call last):
 ...
 ArithmeticError: Cannot Compute Geometric Mean for these numbers.
 >>> compute_geometric_mean(-5, 25, 1)
 -5.0
 """
 product = 1
 for number in args:
 if not isinstance(number, int) and not isinstance(number, float):
 raise TypeError("Not a Number")
 product *= number
 # Cannot calculate the even root for negative product.
 # Frequently they are restricted to being positive.
 if product < 0 and len(args) % 2 == 0:
 raise ArithmeticError("Cannot Compute Geometric Mean for these numbers.")
 mean = abs(product) ** (1 / len(args))
 # Since python calculates complex roots for negative products with odd roots.
 if product < 0:
 mean = -mean
 # Since it does floating point arithmetic, it gives 64**(1/3) as 3.99999996
 possible_mean = float(round(mean))
 # To check if the rounded number is actually the mean.
 if possible_mean ** len(args) == product:
 mean = possible_mean
 return mean


if __name__ == "__main__":
 from doctest import testmod

 testmod(name="compute_geometric_mean")
 print(compute_geometric_mean(-3, -27))

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
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document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
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})();
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try {
var __m = "youtube.com";
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[ADDED] Implementation of Geometric Mean. by kmtGryffindor20 · Pull Request #10421 · TheAlgorithms/Python · GitHub
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[ADDED] Implementation of Geometric Mean.#10421

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Dec 31, 2024
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[ADDED] Implementation of Geometric Mean.
#10421
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0c15acf

Rectified type hints


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59c5f15

Merge branch 'master' of https://github.com/kmtGryffindor20/Python


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55 changes: 55 additions & 0 deletions
maths/geometric_mean.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,55 @@
"""
The Geometric Mean of n numbers is defined as the n-th root of the product
of those numbers. It is used to measure the central tendency of the numbers.
https://en.wikipedia.org/wiki/Geometric_mean
"""


def compute_geometric_mean(*args: int) -> float:
 """
 Return the geometric mean of the argument numbers.
 >>> compute_geometric_mean(2,8)
 4.0
 >>> compute_geometric_mean('a', 4)
 Traceback (most recent call last):
 ...
 TypeError: Not a Number
 >>> compute_geometric_mean(5, 125)
 25.0
 >>> compute_geometric_mean(1, 0)
 0.0
 >>> compute_geometric_mean(1, 5, 25, 5)
 5.0
 >>> compute_geometric_mean(2, -2)
 Traceback (most recent call last):
 ...
 ArithmeticError: Cannot Compute Geometric Mean for these numbers.
 >>> compute_geometric_mean(-5, 25, 1)
 -5.0
 """
 product = 1
 for number in args:
 if not isinstance(number, int) and not isinstance(number, float):
 raise TypeError("Not a Number")
 product *= number
 # Cannot calculate the even root for negative product.
 # Frequently they are restricted to being positive.
 if product < 0 and len(args) % 2 == 0:
 raise ArithmeticError("Cannot Compute Geometric Mean for these numbers.")
 mean = abs(product) ** (1 / len(args))
 # Since python calculates complex roots for negative products with odd roots.
 if product < 0:
 mean = -mean
 # Since it does floating point arithmetic, it gives 64**(1/3) as 3.99999996
 possible_mean = float(round(mean))
 # To check if the rounded number is actually the mean.
 if possible_mean ** len(args) == product:
 mean = possible_mean
 return mean


if __name__ == "__main__":
 from doctest import testmod

 testmod(name="compute_geometric_mean")
 print(compute_geometric_mean(-3, -27))

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[ADDED] Implementation of Geometric Mean. by kmtGryffindor20 · Pull Request #10421 · TheAlgorithms/Python · GitHub
Skip to content
[ADDED] Implementation of Geometric Mean.#10421

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 Merged

tianyizheng02
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Dec 31, 2024
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[ADDED] Implementation of Geometric Mean.
#10421
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[ADDED] Implementation of Geometric Mean.


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[pre-commit.ci] auto fixes from pre-commit.com hooks


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0c15acf

Rectified type hints


kmtGryffindor20 Oct 14, 2023
59c5f15

Merge branch 'master' of https://github.com/kmtGryffindor20/Python


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maths/geometric_mean.py

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Original file line numberDiff line numberDiff line change
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"""
The Geometric Mean of n numbers is defined as the n-th root of the product
of those numbers. It is used to measure the central tendency of the numbers.
https://en.wikipedia.org/wiki/Geometric_mean
"""


def compute_geometric_mean(*args: int) -> float:
 """
 Return the geometric mean of the argument numbers.
 >>> compute_geometric_mean(2,8)
 4.0
 >>> compute_geometric_mean('a', 4)
 Traceback (most recent call last):
 ...
 TypeError: Not a Number
 >>> compute_geometric_mean(5, 125)
 25.0
 >>> compute_geometric_mean(1, 0)
 0.0
 >>> compute_geometric_mean(1, 5, 25, 5)
 5.0
 >>> compute_geometric_mean(2, -2)
 Traceback (most recent call last):
 ...
 ArithmeticError: Cannot Compute Geometric Mean for these numbers.
 >>> compute_geometric_mean(-5, 25, 1)
 -5.0
 """
 product = 1
 for number in args:
 if not isinstance(number, int) and not isinstance(number, float):
 raise TypeError("Not a Number")
 product *= number
 # Cannot calculate the even root for negative product.
 # Frequently they are restricted to being positive.
 if product < 0 and len(args) % 2 == 0:
 raise ArithmeticError("Cannot Compute Geometric Mean for these numbers.")
 mean = abs(product) ** (1 / len(args))
 # Since python calculates complex roots for negative products with odd roots.
 if product < 0:
 mean = -mean
 # Since it does floating point arithmetic, it gives 64**(1/3) as 3.99999996
 possible_mean = float(round(mean))
 # To check if the rounded number is actually the mean.
 if possible_mean ** len(args) == product:
 mean = possible_mean
 return mean


if __name__ == "__main__":
 from doctest import testmod

 testmod(name="compute_geometric_mean")
 print(compute_geometric_mean(-3, -27))

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el.style.position = 'static';
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[ADDED] Implementation of Geometric Mean. by kmtGryffindor20 · Pull Request #10421 · TheAlgorithms/Python · GitHub
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 Merged

tianyizheng02
merged 6 commits into

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Dec 31, 2024
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[ADDED] Implementation of Geometric Mean.
#10421
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09a4e3e

[ADDED] Implementation of Geometric Mean.


kmtGryffindor20 Oct 14, 2023
9ebe2fd

[pre-commit.ci] auto fixes from pre-commit.com hooks


pre-commit-ci[bot] Oct 14, 2023
0c15acf

Rectified type hints


kmtGryffindor20 Oct 14, 2023
59c5f15

Merge branch 'master' of https://github.com/kmtGryffindor20/Python


kmtGryffindor20 Oct 14, 2023
22a3750

Typo


kmtGryffindor20 Oct 14, 2023
99f8bbf

Apply suggestions from code review


tianyizheng02 Dec 31, 2024

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55 changes: 55 additions & 0 deletions
maths/geometric_mean.py

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,55 @@
"""
The Geometric Mean of n numbers is defined as the n-th root of the product
of those numbers. It is used to measure the central tendency of the numbers.
https://en.wikipedia.org/wiki/Geometric_mean
"""


def compute_geometric_mean(*args: int) -> float:
 """
 Return the geometric mean of the argument numbers.
 >>> compute_geometric_mean(2,8)
 4.0
 >>> compute_geometric_mean('a', 4)
 Traceback (most recent call last):
 ...
 TypeError: Not a Number
 >>> compute_geometric_mean(5, 125)
 25.0
 >>> compute_geometric_mean(1, 0)
 0.0
 >>> compute_geometric_mean(1, 5, 25, 5)
 5.0
 >>> compute_geometric_mean(2, -2)
 Traceback (most recent call last):
 ...
 ArithmeticError: Cannot Compute Geometric Mean for these numbers.
 >>> compute_geometric_mean(-5, 25, 1)
 -5.0
 """
 product = 1
 for number in args:
 if not isinstance(number, int) and not isinstance(number, float):
 raise TypeError("Not a Number")
 product *= number
 # Cannot calculate the even root for negative product.
 # Frequently they are restricted to being positive.
 if product < 0 and len(args) % 2 == 0:
 raise ArithmeticError("Cannot Compute Geometric Mean for these numbers.")
 mean = abs(product) ** (1 / len(args))
 # Since python calculates complex roots for negative products with odd roots.
 if product < 0:
 mean = -mean
 # Since it does floating point arithmetic, it gives 64**(1/3) as 3.99999996
 possible_mean = float(round(mean))
 # To check if the rounded number is actually the mean.
 if possible_mean ** len(args) == product:
 mean = possible_mean
 return mean


if __name__ == "__main__":
 from doctest import testmod

 testmod(name="compute_geometric_mean")
 print(compute_geometric_mean(-3, -27))