/sci/ - Science & Math » Thread #13068537

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How the hell do I find the inverse matrix without the adjugate matrix

Anonymous Mon 03 May 09:14:53 2021 No.13068537 View Reply Original Report

Quoted By: >>13068556 >>13068573 >>13068594 >>13069245

Is there another way to find the inverse of a matrix without writing 6 million pages

Anonymous

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Anonymous Mon 03 May 2021 09:17:43 No.13068552 Report

Quoted By:

hey kid, its your big chance to become an eternal math legend, hack away at a new technique until you invent a better way

Anonymous

Anonymous Mon 03 May 2021 09:18:48 No.13068556 Report

Quoted By: >>13068561

>>13068537
You could but it in jordan normal form

Anonymous

Anonymous Mon 03 May 2021 09:19:52 No.13068561 Report

Quoted By:

>>13068556
the what

Anonymous

Anonymous Mon 03 May 2021 09:22:09 No.13068573 Report

Quoted By: >>13068574

>>13068537
What do you need an inverse matrix for?

Anonymous

Anonymous Mon 03 May 2021 09:22:21 No.13068574 Report

Quoted By: >>13068584

>>13068573
school

Anonymous

Anonymous Mon 03 May 2021 09:24:10 No.13068584 Report

Quoted By: >>13068588

>>13068574
Tell them no.

Anonymous

Anonymous Mon 03 May 2021 09:24:38 No.13068588 Report

Quoted By:

>>13068584
i don't want to fail

Anonymous

Anonymous Mon 03 May 2021 09:25:53 No.13068594 Report

Quoted By:

>>13068537
Just augment the matrix by an identity and RREF the original

Anonymous

Anonymous Mon 03 May 2021 09:28:20 No.13068608 Report

Quoted By: >>13069358

Is the leading coefficient of its characteristic polynomial 1 or -1?

Anonymous

Anonymous Mon 03 May 2021 13:27:43 No.13069245 Report

Quoted By: >>13069671

>>13068537
https://www.purplemath.com/modules/mtrxinvr.htm

Anonymous

Anonymous Mon 03 May 2021 13:57:13 No.13069358 Report

Quoted By: >>13069898

>>13068608
Why not just ask if the leading coefficient is odd or even lmao

Anonymous

Anonymous Mon 03 May 2021 14:04:13 No.13069395 Report

Quoted By:

Use a computer. Linear algebra by hand is dumb.

Anonymous

Anonymous Mon 03 May 2021 15:14:33 No.13069671 Report

Quoted By:

>>13069245
wow this actually sounds eaasy thanks

Anonymous

Anonymous Mon 03 May 2021 16:13:13 No.13069898 Report

Quoted By:

>>13069358
I don't see how that would help.

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