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Recent questions tagged gilbert-strang

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Gilbert Strang
$\int_{1}^{∞}\frac{dx}{x^6+1}$
$\int_{1}^{∞}\frac{dx}{x^6+1}$
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2
Gilbert Strang
$\int_{}^{}\frac{x dx}{\sqrt{x^4-1}}$
$\int_{}^{}\frac{x dx}{\sqrt{x^4-1}}$
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3
Gilbert Strang
Differentiate y=$x^{-1/lnx}$
Differentiatey=$x^{-1/lnx}$
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4
Gilbert Strang
$\int_{0}^{1}(x^2+1)^4dx$
$\int_{0}^{1}(x^2+1)^4dx$
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5
Gilbert Strang Doubt
Locate the inflection points and region where f(x) is concave up or down f(x)=$-x^3+x^2+x$
Locate the inflection points and region where f(x) is concave up or downf(x)=$-x^3+x^2+x$
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6
Gilbert Strang - Real Symmetric Matrices
Prove that :- For all real symmetric matrices , No. of positive Pivots = No . of positive eigenvalues Can anyone please give the formal mathematical proof for the above statement ?
Prove that :- For all real symmetric matrices , No. of positive Pivots = No . of positive eigenvaluesCan anyone please give the formal mathematical p...
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7
Gilbert Strang 1.3.9
For which three numbers $k$ does elimination break down? Which is fixed by a row exchange? In each case, is the number of solutions $0$ or $1$ Infinity? $Kx + 3 y =6\\3x +ky = -6$
For which three numbers $k$ does elimination break down? Which is fixed by a row exchange? In each case, is the number of solutions $0$ or $1$ Infinity?$$Kx + 3 y =6\\3x ...
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8
Gilbert Strang
How many n*n (0,1) matrix are invertable ? PS: original question in book is for 2*2
How many n*n (0,1) matrix are invertable ?PS: original question in book is for 2*2
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10
Linear Algebra by Gilbert strang, 4th edition, 5.1.13
If B has eigenvalues 1, 2, 3, C has eigenvalues 4, 5, 6, and D has eigenvalues 7, 8, 9, what are the eigenvalues of the 6 by 6 matrix A =[ B C , 0 D] ?
If B has eigenvalues 1, 2, 3, C has eigenvalues 4, 5, 6, and D has eigenvalues 7, 8,9, what are the eigenvalues of the 6 by 6 matrix A =[ B C , 0 D] ?
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11
Gilbert Strang Problem set 1.3
Choose a coefficient b that makes this system singular. Then choose a right-hand side g that makes it solvable. Find two solutions in that singular case. $2x +by = 16$ $4x + 8y = g$
Choose a coefficient b that makes this system singular. Then choose a right-hand side g that makes it solvable. Find two solutions in that singular case. $2x ...
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