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Excel Lambda functions for array manipulation
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| REPLACENTH = LAMBDA(array, xnew, trow, [tcol], | |
| LET( | |
| tcol, MAX(tcol, 1), | |
| MAKEARRAY( | |
| ROWS(array), | |
| COLUMNS(array), | |
| LAMBDA(irow, icol, | |
| IF( | |
| AND(irow = trow, icol = tcol), | |
| xnew, | |
| INDEX(array, irow, icol) | |
| ) | |
| ) | |
| ) | |
| ) | |
| ); | |
| ARRMAPLAM = LAMBDA(array, transf, [cond], | |
| MAKEARRAY( | |
| ROWS(array), | |
| COLUMNS(array), | |
| LAMBDA(ir, ic, | |
| IF( | |
| IF( | |
| ISOMITTED(cond), | |
| TRUE, | |
| cond(array, ir, ic) | |
| ), | |
| transf(array, ir, ic), | |
| INDEX(array, ir, ic) | |
| ) | |
| ) | |
| ) | |
| ); |
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