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/**Basic 1D linear generator from 2 pts*/ | |
LEXT = LAMBDA(X,XS,YS, | |
LET(X_1,INDEX(XS,1), | |
X_2, INDEX(XS,2), | |
Y_1, INDEX(YS,1), | |
Y_2, INDEX(YS,2), | |
Y_1+(X-X_1)*(Y_2-Y_1)/(X_2-X_1) | |
) | |
); |
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/**Cumulative sum over array*/ | |
CSUM = LAMBDA(arr, | |
SCAN(0,arr,LAMBDA(a,c,a+c))); | |
/**Ignores Null ref (empty, space or 0), returns "" or VAl if provided*/ | |
IFN = LAMBDA(REF,FUN,[VAL], | |
IF(OR(REF="",REF=" ",REF=0),IF(ISOMITTED(VAL),"",VAL),FUN) | |
); | |
/**1D linear interpolation, set SORTED=0 for unsorted data - presorting data recommended*/ |