Array Formula Examples – Simple to Advanced

New Array Shaping Excel Functions • My Online Training Hub

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SOLVED:Use Excel to generate the solution of Eq. 5.31 for m=1 shown in Fig. 5.18 . To do so, you need to learn how to perform linear algebra in Excel. For example, for N=4 you will end up with the matrix equation of Eq. 5.37 . To solve this equation for the u values, you will have to compute the inverse of the 4 ×4 matrix, and then multiply this inverse into the 4 ×1 matrix on the right of the equation. In Excel, to do array operations, you must use the following rules: Pre-select the cells that

=SUM(IFERROR(VALUE(LEFT(B2:C2;FIND(" ";B2:C2&" ")-1));VALUE(B2:C2))) =SUMPRODUCT(IFERROR(VALUE(LEFT(B2:C2;FIND(" ";B2:C2&" ")-1));VALUE(B2:C2))) B2:C2 – opseg ćelija koji se sabira. LEFT(B2:C2;FIND(" ";B2:C2&" ")-1) •FIND(" ";B2:C2&" ") traži prvi razmak (" ") u svakoj ćeliji (dodaje se razmak na kraj da bi formula radila i ako ga nema). •LEFT(... ; ... -1) uzima tekst pre prvog razmaka. Na primer, ako u ćeliji piše "12 km", ovaj deo izvuče "12". VALUE(...) •Pretvara taj tekst (npr. "12") u broj