b.L.) Consider the simplex tableau given below. X1 X2 S1 S2 S3 P 4 1 3 2 1 10 1 3 - 6 - 1 1 3 (A) The pivot element is located in column 1 and row 1 (B) The entering variable is x1 . (C) The exiting variable is x, (D) Enter the values after one pivot operation in the tableau below. X1 X2 S1 S2 S3 1 0.25 1.25 1.25 0 - 0.75 - 1.75 1 6.25 5 1 1.5 6.5 1 (Type an integer or a decimal.)

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Part D. 

 

This question got rejected and the expert was asking for an equation ,but the picture that I sent is all that is given. I will provide an explanation for that last part. 

(D) Find the values after one pivot operation.
 
In​ general, when performing a pivot​ operation, the pivot row should be multiplied by the reciprocal of the pivot element to transform the pivot element to a 1.
Multiply the pivot row by the reciprocal of the pivot element to transform the pivot element to a 1.

 

6.2.1
Consider the simplex tableau given below.
X1
X2
S1
S2
S3
4
1
5
3
2
1
10
1
3
- 6
- 1
1
(A) The pivot element is located in column 1 and row 1
(B) The entering variable is x1
(C) The exiting variable is x2
(D) Enter the values after one pivot operation in the tableau below.
X1
X2
S1
$2
S3
P
0.25
0 - 0.75 - 1.75
5
1
1.25
1.25
1
6.25
1
1.5
6.5
1
(Type an integer or a decimal.)
3.
Transcribed Image Text:6.2.1 Consider the simplex tableau given below. X1 X2 S1 S2 S3 4 1 5 3 2 1 10 1 3 - 6 - 1 1 (A) The pivot element is located in column 1 and row 1 (B) The entering variable is x1 (C) The exiting variable is x2 (D) Enter the values after one pivot operation in the tableau below. X1 X2 S1 $2 S3 P 0.25 0 - 0.75 - 1.75 5 1 1.25 1.25 1 6.25 1 1.5 6.5 1 (Type an integer or a decimal.) 3.
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