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Free Math Help
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For the highest-level (post-calculus) math questions that don't fall into any other category.
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S
What does f(u)(t-u) mean in this convolution equation?
Sofia12345
Jan 7, 2018
Replies
1
Views
478
Jan 7, 2018
Dr.Peterson
B
Functional Equation: f(x)+f(x+1)=(f(x+2))/(x+1)
Bulkyd
Jan 5, 2018
Replies
4
Views
770
Jan 6, 2018
stapel
S
Weight factors (values): rho(q_0, q_1) = w_t ||X_0 - X_1|| + w_r f(R_0, R_1)
semir
Dec 13, 2017
Replies
1
Views
776
Dec 14, 2017
tkhunny
B
Linear Algebra: For f, g C[0,1], let <f,g>=(integral from 0 to 1) f(x)g(x) dx...
boazuw
Dec 11, 2017
Replies
1
Views
585
Dec 14, 2017
barrick
B
P
Approximated vertex cover algorithm on random graph
paul2834
Dec 13, 2017
Replies
0
Views
416
Dec 13, 2017
paul2834
P
M
Chemistry related calculations
Mikey1
Dec 12, 2017
Replies
1
Views
543
Dec 12, 2017
stapel
M
Discrete convolution: h[n] = a^(n+1) * u[n+1], x[n] = exp(j*w*n) * u[n]
martin336
Dec 9, 2017
Replies
0
Views
584
Dec 9, 2017
martin336
M
M
convolution and z-Transform
martin336
Dec 9, 2017
Replies
0
Views
377
Dec 9, 2017
martin336
M
R
Dsolve Perturbation n'(1-epsilon(u')^2)=-y with mathematica
rodiena
Dec 9, 2017
Replies
1
Views
1K
Dec 9, 2017
Subhotosh Khan
S
N
Linear Algebra Matrix Representation: 1->3, X->2X-1, X^2->X^2-X-1
nhallowell
Dec 7, 2017
Replies
1
Views
671
Dec 7, 2017
stapel
W
Sorting integers into 3 equal (almost) groups
William444555
Dec 2, 2017
Replies
8
Views
1K
Dec 4, 2017
Dr.Peterson
S
Proof by induction: For finite sets A, B w/ cardinality n, m >= 1, show there are...
sita
Nov 28, 2017
Replies
1
Views
962
Dec 1, 2017
barrick
B
E
Prove that, for X*Y = {x*y : x in X, y in Y}, we have inf{X*Y} = inf X* inf Y and...
esuahcdss12
Nov 26, 2017
Replies
1
Views
670
Nov 30, 2017
stapel
C
Matrix Triangularisation/Gauss Jordan Reduction with complex number + eulars formula
cmor
Nov 27, 2017
Replies
2
Views
627
Nov 30, 2017
stapel
S
Draw directed graph; state if relation is reflexive, transitive, or symmetric.
sita
Nov 27, 2017
Replies
5
Views
1K
Nov 30, 2017
stapel
J
Proof for any smaller common divisor than g.c.d. being not a linear combination
jiten
Nov 28, 2017
Replies
8
Views
953
Nov 29, 2017
jiten
J
J
Properties of non-integer combinations
jiten
Nov 27, 2017
Replies
0
Views
545
Nov 27, 2017
jiten
J
A
Does graph G exist s.t. G has induced subgraph cycle C6 but no inducd sbgrph path P4?
axel1
Nov 27, 2017
Replies
1
Views
847
Nov 27, 2017
ksdhart2
K
M
0-1 integer programming problem - Greatest Resource Utiliazation
michel89
Nov 27, 2017
Replies
1
Views
455
Nov 27, 2017
tkhunny
S
Prove that function f: X->Y is INJECTIVE if...
student127
Nov 22, 2017
Replies
1
Views
579
Nov 22, 2017
Dr.Peterson
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