Math Forums
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Mathematics discussion forum for anything related to algebra, calculus, analysis, much more. Also, share your problems, get various solutions and advice from the experts.
Math Forums
4d ago
With precision in my inquiry, I am interested to learn whether there is any mathematical framework, method, or algorithm capable of efficiently identifying all prime numbers around a specific numerical value, such as 125,468,923, within a predetermined range of [-10,000, +10,000]. This approach would ideally bypass the exhaustive testing of every candidate within this interval, utilizing a more strategic mechanism for isolating and confirming primes. Insights into such methods are earnestly...
Seeking Efficient Prime Identification Methods for Constrained Numerical Ranges ..read more
Math Forums
6d ago
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Innovating Primes: How the Prime Heart Theorem Could Change Everything ..read more
Math Forums
2w ago
Hi,
I'm making a business case in which I use regression analysis to find out which independent variables have the most impact on our stock level. For this I want to compare the coefficients of each variable. Since the variables have different units (days, euros) I think I need to use the standardized coefficient for comparison.
I have some categorical (dummy) variables too, and am unsure if this method works in this case. Can I compare the coefficients of my dummies with those of my other...
Comparing regressor coefficients of quantitative and categorical variables ..read more
Math Forums
1M ago
This post is not about cheeseburgers, its not even about math. Yet it does no violate the rules, and it has a place here. Specifically in the "off-topic" section.
This post is about teaching others the concept of Love, and kindness. This post is for my dear friend Logic. Whom despite the name is in dire need of emotional control. And the teachings of kindness and love.
You see Logic, I know this post fills you with anger (which violates the concept of logic). You would make a terrible...
Cheeseburgers ..read more
Math Forums
1M ago
CHAT GTP1+2+4+8+16+32+5063+10126+20252+40504+81008=162496.1+2+4+8+16+32+5063+10126+20252+40504+81008=162496.Since the sum does indeed equal 162496, based on this calculation, it supports the claim that 162496 is a perfect number ..read more
Math Forums
1M ago
Hi,
View attachment 4141
View attachment 4141 The numerator is 9x^2 - 4. According to the exam board the correct answer is b = 4. I think b = 2.
What do you think ..read more
Math Forums
1M ago
I am (obviously) not a math person but still have been trying to understand how 0 works such as x*0=0. This does not seem to me to be logical. 0 is not a number rather it represents the absence of any value - it is nothing. In physics when something is acted upon by nothing then nothing changes but in math when x is acted upon by nothing (x*0) then x disappears (x*0=0)? How does x become nothing when nothing has acted on it? By logic x+0=x, x/0=x, x*0=x and 0/0=0 ..read more
Math Forums
1M ago
What would be the algorithm that produces all of the nine digit combinations using numbers 1 through 9, in which there are no repeating numbers and using a 3x3 array set up as depicted, once the number is used it can’t be used again ..read more
Math Forums
1M ago
Would it be possible to create a section entitled "Philosophy of Mathematics". I know that very few mathematicians care for philosophy, and visa versa. Yet there are some exceptions (like me). Who do "dabble" in both. Also in this way all threads related to God, or morality, relative to mathematics, might be diverted. Making it easier for the real mathematicians to ignore that which they do not care for ..read more
Math Forums
2M ago
This question appeared in my exam. Look at the figure and join db. Look at the second part of question. It is wrong ..read more