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Bat1
Recent content by Bat1
B
MHB
First order differential equations
Hi, Is the answer: y(x) _homogenous =v(x) y(x) _private =u(x)v(x) ? Or they refer to something else? I don't know how to approach to it
Bat1
Thread
Nov 14, 2021
Tags
Differential
Differential equations
First order
First order differential
Replies: 1
Forum:
Differential Equations
B
MHB
Proof of Complex Numbers: Delta*w(z, z) Explained
\[ if: w=w(x,y), and: w=u+iv, then: u==x, v==y, then, w=x+iy (??) \] \[ \delta w=w(x+\delta x, y+\delta y) - w(x, y)=\delta x +i\delta y \] \[ \delta z(\partial w/\partial z)+\delta z^*(\partial w/\partial z^*) =\delta (x+iy)* 0.5*(\partial w/\partial x+i*\partial w/\partial y)+\delta (x-iy)*...
Bat1
Post #5
Oct 29, 2021
Forum:
Linear and Abstract Algebra
B
MHB
Proof of Complex Numbers: Delta*w(z, z) Explained
I know it is NOT A MULTIPLICATION, I know what "delta" means... I don't know how to prove that equation (17)
Bat1
Post #3
Oct 26, 2021
Forum:
Linear and Abstract Algebra
B
MHB
Proof of Complex Numbers: Delta*w(z, z) Explained
Hi, I have this problem and its solution but i know what right size is, but i don't understand what left size (delta*w(z, z)) is equal to
Bat1
Thread
Oct 25, 2021
Tags
Complex
Complex number
Proof
Replies: 4
Forum:
Linear and Abstract Algebra
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Bat1
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