11 lines
307 B
APL
11 lines
307 B
APL
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x ← +.×
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A ← ↑A*¨⊂A←⍳4 ⍝ Same A as in other examples (1 1 1 1⍪ 2 4 8 16⍪ 3 9 27 81,[0.5] 4 16 64 256)
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B ← ⌹A ⍝ Matrix inverse of A
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'F6.2' ⎕FMT A x B
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1.00 0.00 0.00 0.00
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0.00 1.00 0.00 0.00
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0.00 0.00 1.00 0.00
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0.00 0.00 0.00 1.00
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