9to5Science

Unlock your
future.

The Best tutorials on latest science topic including Math, Physics, Chemistry, Biology

Prove an upper bound for the determinant of a matrix A

August 1st, 2022

Sum of ideals-Intersection of algebraic sets

January 22nd, 2020

How to tell the difference between interval and coordinate notation from context?

August 1st, 2022

Writing a composite transformation as a matrix multiplication

August 1st, 2022

Solving genereal zero sum games

August 1st, 2022

Clarification: Is it true trace of $(A^TA)$ is induced matrix norm squared?

August 1st, 2022

Can somebody explain with one example the concepts: Lemma-Hypothesis-Theorem-Assumption-Proof-Axiom-Thesis-Determination-Definition-Proof

August 1st, 2022

Why do we seek real-valued solutions to second-order linear homogeneous ODEs when the characteristic equation has complex roots?

December 4th, 2020

How to find the area enclosed by the ellipse $b^2x^2 + a^2y^2=a^2b^2$?

June 22nd, 2020

Max and Min using Lagrange Multipliers

August 1st, 2022

Determine if the following function is one-to-one and/or onto

November 13th, 2020

HK is cyclic if H and K are both cyclic

December 25th, 2020

proving a set is not path-connected

August 1st, 2022

Finding a basis for a complex lattice given a nondivisible vector in the lattice

August 1st, 2022

Proof - There're infinitely many primes of the form 3k + 2 — origin of $3q_1..q_n + 2$

August 1st, 2022

Orientation matrix for three points in the plane

June 2nd, 2020

Finding extremas of a three variable function

August 1st, 2022

Determine scale factor of an object given its distance from a viewer/camera

August 1st, 2022

Matrix inversion approach using gradient descent curve

August 1st, 2022

Quotient of a local regular ring

August 20th, 2020

Why is Euler's totient function equal to (p-1)(q-1) when N=pq and p and q are prime?

August 1st, 2022

What is the notation for: for every element of a set of 2-tuples, the second element in each tuple is unique?

March 22nd, 2020

Gödel's Incompleteness Theorem - Diagonal Lemma

May 13th, 2020

Linear equation is equal to a cubic equations, question about number of solutions?

August 1st, 2022

Find coordinates of touching point of a tangent on a circle

August 1st, 2022

Some expectation values for a Gamma distribution

August 1st, 2022

Rank of a cohomology group, Betti numbers.

August 1st, 2022

Fundamental group of the quotient space of the disk obtained by identifying points on the boundary that are 120 degree aparts

October 4th, 2020

Symmetric group and commuting elements

January 29th, 2020

Determining the symmetry of a plane algebraic curve from its Cartesian equation

August 1st, 2022

Recents

What age is too old for research advisor/professor?
How much solvent do you add for a 1:20 dilution, and why is it called 1 to 20?
How many weeks of holidays does a Ph.D. student in Germany have the right to take?
Why higher the binding energy per nucleon, more stable the nucleus is.?
What happen if the reviewer reject, but the editor give major revision?
Coordination number of 3D close packing
Why do universities check for plagiarism in student assignments with online content?
pKa = pH for strong acid — strong base?
Anonymous sites used to attack researchers. What to do about it?
Why does [Ni(gly)2] show optical isomerism despite having no chiral carbon?
I downoaded articles from libgen (didn't know was illegal) and it seems that advisor used them to publish his work
How do superwomen find time?
What is the chemical formula of ghee?
Masters in mathematics after bachelors in mechanical engineering
Advantages or disadvantages of submitting to the new APS open access PRResearch journal?
Why energy is released when an electron is added to a neutral atom?
Time constant of $RC$ circuit with more than one capacitor
Why is CH4 Nonpolar but CH2Cl2 is polar?
Which of the compounds has the highest percentage of enol?
Article waiting for AE assignment for too long?

Popular Tags

induction
density
category-theory
acid-base
tikz-trees
trace
quantum-mechanics
complex-numbers
commutator
books
affiliation
linear-programming
math-history
estimation
symmetric-groups
amsmath
context
big-bang
sylow-theory
halides