Related

delete-lambda-sort-sublist-unique

a:[1,2,3,4,2,1,4,2,1];

sublist(a,lambda([x],...

delete(3,a);

Calculate

delete-lambda-sublist

a:[1,2,3,4,2,1,4,2,1];

sublist(a,lambda([x],...

delete(3,a);

Calculate

delete

delete([1,2,3], [2,3]);

Calculate

delete-matrix-transpose

var1:2;

name1:rolf;

M:matrix([peter,rolf,...

Calculate

delete

arr: [a,[a],0,[0]];

delete(0,arr);

Calculate

delete-first-lambda-map

map(lambda([x], delet...

Calculate

delete-ifactors-member-random-true

joukko:[30, 42, 70];

luku: joukko[random(3)];

factors_only: true;

Calculate

S:[[1,2],[1,3]];

delete([1,2],S);

print(S);

Calculate

delete-matrix-transpose

M:matrix([1,2,3],[a,b...

if M[1][2]=2 then lis...

list;

Calculate

delete-lambda-sort-sublist

a:[1,2,3,4,2,1,4,2,1];

sublist(a,lambda([x],...

delete(3,a);

Calculate

delete

Run Example
```(%i1)kill(lastdigits,pidigits, a, b);
(%o1)                                done
(%i2) ratprint:false;
(%o2)                                false
(%i3) pidigits(prec):=block([fpprec:prec+1], ratprint:false, bftorat:false, ratepsilon:2.0e-16, float2bf:false, ans:float((%pi-mod(%pi, 10^(-prec)))), return(ans));
(%o3) pidigits(prec) := block([fpprec : prec + 1], ratprint : false,
bftorat : false, ratepsilon : 2.0E-16, float2bf : false,
- prec
ans : float(%pi - mod(%pi, 10      )), return(ans))
(%i4) lastdigits(fnum, lastn):=block([m:rat(fnum), n:lastn, ans], /* it doesn't help when lastn is bigger than the total digits in fnum it returns the whole digits in fnum anyway without erroring! and fnum=%pi stuff works only upto 8 digits cause num(rat(fnum)) has somuch only! */ratprint:false, ratio(num):=block([k, a], ratprint:false, for k:1 thru fpprec do (a:10^k/ratdenom(num), if(integerp(a)) then return(a))), ratepsilon:2.0e-16, bftorat:false,  ans:mod(ratio(fnum)*num(m), (10^n))/(ratio(fnum)*denom(m)), return(float(ans)));
(%o4) lastdigits(fnum, lastn) := block([m : rat(fnum), n : lastn, ans],
ratprint : false, ratio(num) := block([k, a], ratprint : false,
k
10
for k thru fpprec do (a : -------------, if integerp(a) then return(a))),
ratdenom(num)
n
mod(ratio(fnum) num(m), 10 )
ratepsilon : 2.0E-16, bftorat : false, ans : ----------------------------,
ratio(fnum) denom(m)
return(float(ans)))
(%i5) lastdigits(4.1459, 5);
(%o5)                          4.14590001103631
(%i6) lastdigits(3.1459, 3);
(%o6)                               0.0459
(%i7) b:pidigits(5);
(%o7)                               3.14159
(%i8) lastdigits(3.14159, 3);
(%o8)                               0.00159
(%i9) lastdigits(pidigits(5), 3);
(%o9)                               0.00159
(%i10) pidigits(6);
(%o10)                             3.141592
(%i11) lastdigits(pidigits(6), 3);
(%o11)                       5.9199999999999997E-4
(%i12) lastdigits(4.14592, 3);
(%o12)                              0.00592
(%i13) lastdigits(b, 3);
(%o13)                              0.00159
(%i14) a:[0, float(%pi)];
(%o14)                      [0, 3.141592653589793]
(%i15) a;
(%o15)                      [0, 3.141592653589793]
(%i16) delete(pidigits(16), a);
(%o16)                                [0]
(%i17) delete(pidigits(fpprec), a);
(%o17)                                [0]
(%i18) delete(pidigits(fpprec), [0, float(%pi)]);
(%o18)                                [0]
(%i19) intervals(items, [granul]):=block([ start:first(items), stop:last(items), ans:[], granul:(if not(emptyp(granul)) then first(granul) else 1) ], ratprint:false, if (emptyp(items)) then [] elseif(listp(items)) then    if(emptyp(rest(items))) then []     else     while(float(rat(start))<
float(rat(stop))) do    (ans:delete([],             delete([float(rat(stop)), float(rat(stop+granul))],             if(float(rat(start+granul))>
float(rat(stop)))            then return() else            append(ans, [cons(float(rat(start)),  [float(rat(start+granul))])]))),      start:float(rat(start+granul))),     return(ans));
(%o19) intervals(items, [granul]) := block([start : first(items),
stop : last(items), ans : [], granul :
if not emptyp(granul) then first(granul) else 1], ratprint : false,
if emptyp(items) then [] elseif listp(items)
then (if emptyp(rest(items)) then [] else (while float(rat(start)) <
float(rat(stop)) do (ans : delete([], delete([float(rat(stop)),
float(rat(stop + granul))], if float(rat(start + granul)) > float(rat(stop))
then return() else append(ans, [cons(float(rat(start)),
[float(rat(start + granul))])]))), start : float(rat(start + granul))))),
return(ans))
(%i20) intervals([0, 2*%pi], %pi);
(%o20) [[0.0, 3.141592653589793], [3.141592653589793, 6.283185307179585]]
(%i21) delete(pidigits(fpprec), intervals([0, 2*%pi], %pi));
(%o21) [[0.0, 3.141592653589793], [3.141592653589793, 6.283185307179585]]
(%i22) ```
Run Example
```sito(g):=block(l:[2],for n from 3 thru g step 2 do(l:endcons(n,l)),for x from 3 thru ceiling((g+9)/6) do(if (mod(x,2)=1) then i:0 else i:1,for y from i thru x-3 step 2 do(l:delete(x^2-y^2,l))),l);
(%o1) sito(g) := block(l : [2], for n from 3 step 2 thru g
g + 9
do l : endcons(n, l), for x from 3 thru ceiling(-----)
6
do (if mod(x, 2) = 1 then i : 0 else i : 1,
2    2
for y from i step 2 thru x - 3 do l : delete(x  - y , l)), l)
(%i2) sito(5000);
(%o2) [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67,
71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151,
157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233,
239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317,
331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419,
421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503,
509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607,
613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701,
709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811,
821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911,
919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013, 1019,
1021, 1031, 1033, 1039, 1049, 1051, 1061, 1063, 1069, 1087, 1091, 1093, 1097,
1103, 1109, 1117, 1123, 1129, 1151, 1153, 1163, 1171, 1181, 1187, 1193, 1201,
1213, 1217, 1223, 1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1289, 1291,
1297, 1301, 1303, 1307, 1319, 1321, 1327, 1361, 1367, 1373, 1381, 1399, 1409,
1423, 1427, 1429, 1433, 1439, 1447, 1451, 1453, 1459, 1471, 1481, 1483, 1487,
1489, 1493, 1499, 1511, 1523, 1531, 1543, 1549, 1553, 1559, 1567, 1571, 1579,
1583, 1597, 1601, 1607, 1609, 1613, 1619, 1621, 1627, 1637, 1657, 1663, 1667,
1669, 1693, 1697, 1699, 1709, 1721, 1723, 1733, 1741, 1747, 1753, 1759, 1777,
1783, 1787, 1789, 1801, 1811, 1823, 1831, 1847, 1861, 1867, 1871, 1873, 1877,
1879, 1889, 1901, 1907, 1913, 1931, 1933, 1949, 1951, 1973, 1979, 1987, 1993,
1997, 1999, 2003, 2011, 2017, 2027, 2029, 2039, 2053, 2063, 2069, 2081, 2083,
2087, 2089, 2099, 2111, 2113, 2129, 2131, 2137, 2141, 2143, 2153, 2161, 2179,
2203, 2207, 2213, 2221, 2237, 2239, 2243, 2251, 2267, 2269, 2273, 2281, 2287,
2293, 2297, 2309, 2311, 2333, 2339, 2341, 2347, 2351, 2357, 2371, 2377, 2381,
2383, 2389, 2393, 2399, 2411, 2417, 2423, 2437, 2441, 2447, 2459, 2467, 2473,
2477, 2503, 2521, 2531, 2539, 2543, 2549, 2551, 2557, 2579, 2591, 2593, 2609,
2617, 2621, 2633, 2647, 2657, 2659, 2663, 2671, 2677, 2683, 2687, 2689, 2693,
2699, 2707, 2711, 2713, 2719, 2729, 2731, 2741, 2749, 2753, 2767, 2777, 2789,
2791, 2797, 2801, 2803, 2819, 2833, 2837, 2843, 2851, 2857, 2861, 2879, 2887,
2897, 2903, 2909, 2917, 2927, 2939, 2953, 2957, 2963, 2969, 2971, 2999, 3001,
3011, 3019, 3023, 3037, 3041, 3049, 3061, 3067, 3079, 3083, 3089, 3109, 3119,
3121, 3137, 3163, 3167, 3169, 3181, 3187, 3191, 3203, 3209, 3217, 3221, 3229,
3251, 3253, 3257, 3259, 3271, 3299, 3301, 3307, 3313, 3319, 3323, 3329, 3331,
3343, 3347, 3359, 3361, 3371, 3373, 3389, 3391, 3407, 3413, 3433, 3449, 3457,
3461, 3463, 3467, 3469, 3491, 3499, 3511, 3517, 3527, 3529, 3533, 3539, 3541,
3547, 3557, 3559, 3571, 3581, 3583, 3593, 3607, 3613, 3617, 3623, 3631, 3637,
3643, 3659, 3671, 3673, 3677, 3691, 3697, 3701, 3709, 3719, 3727, 3733, 3739,
3761, 3767, 3769, 3779, 3793, 3797, 3803, 3821, 3823, 3833, 3847, 3851, 3853,
3863, 3877, 3881, 3889, 3907, 3911, 3917, 3919, 3923, 3929, 3931, 3943, 3947,
3967, 3989, 4001, 4003, 4007, 4013, 4019, 4021, 4027, 4049, 4051, 4057, 4073,
4079, 4091, 4093, 4099, 4111, 4127, 4129, 4133, 4139, 4153, 4157, 4159, 4177,
4201, 4211, 4217, 4219, 4229, 4231, 4241, 4243, 4253, 4259, 4261, 4271, 4273,
4283, 4289, 4297, 4327, 4337, 4339, 4349, 4357, 4363, 4373, 4391, 4397, 4409,
4421, 4423, 4441, 4447, 4451, 4457, 4463, 4481, 4483, 4493, 4507, 4513, 4517,
4519, 4523, 4547, 4549, 4561, 4567, 4583, 4591, 4597, 4603, 4621, 4637, 4639,
4643, 4649, 4651, 4657, 4663, 4673, 4679, 4691, 4703, 4721, 4723, 4729, 4733,
4751, 4759, 4783, 4787, 4789, 4793, 4799, 4801, 4813, 4817, 4831, 4861, 4871,
4877, 4889, 4903, 4909, 4919, 4931, 4933, 4937, 4943, 4951, 4957, 4967, 4969,
4973, 4987, 4993, 4999]
(%i3) ```
Run Example
```elim(l,m,k, [p]):=block([ans], ans:subst([0="_"], l*subst([m=0, k=0], makelist(n, n, 1, length(l)))/makelist(n, n,1,length(l))), if(not(emptyp(p))) then return(delete("_", ans)) else return(ans));
(%o1) elim(l, m, k, [p]) := block([ans],
l subst([m = 0, k = 0], makelist(n, n, 1, length(l)))
ans : subst([0 = "_"], -----------------------------------------------------),
makelist(n, n, 1, length(l))
if not emptyp(p) then return(delete("_", ans)) else return(ans))
(%i2) elimcc(l,m,k, [p]):=block([ans], ans:subst([0="_"],l*map(lambda([x], if(x=0) then 1 else 0), subst([m=0, k=0], makelist(n, n, 1, length(l)))/makelist(n, n,1,length(l)))), if(not(emptyp(p))) then return(delete("_", ans)) else return(ans));
(%o2) elimcc(l, m, k, [p]) := block([ans],
ans : subst([0 = "_"], l map(lambda([x], if x = 0 then 1 else 0),
subst([m = 0, k = 0], makelist(n, n, 1, length(l)))
---------------------------------------------------)),
makelist(n, n, 1, length(l))
if not emptyp(p) then return(delete("_", ans)) else return(ans))
(%i3) M:[A,T,G,C,A,T,C];
(%o3)                        [A, T, G, C, A, T, C]
(%i4) elim(M, 1, 7);
(%o4)                        [_, T, G, C, A, T, _]
(%i5) elim(M, 1, 7, t);
(%o5)                           [T, G, C, A, T]
(%i6) elimcc(M, 1, 7);
(%o6)                        [A, _, _, _, _, _, C]
(%i7) elimcc(M, 1, 7, t);
(%o7)                               [A, C]
(%i8) elimn(l,[index]):=block([ans, indi:map("=", index, delete([], makelist(0, n, 1, length(index))))], ans:subst([0="_"], l*subst(indi, makelist(n, n, 1, length(l)))/makelist(n, n,1,length(l))), if(is(last(index)=t)) then return(delete("_", ans)) else return(ans));
(%o8) elimn(l, [index]) := block([ans,
indi : map("=", index, delete([], makelist(0, n, 1, length(index))))],
l subst(indi, makelist(n, n, 1, length(l)))
ans : subst([0 = "_"], -------------------------------------------),
makelist(n, n, 1, length(l))
if is(last(index) = t) then return(delete("_", ans)) else return(ans))
(%i9) M:[A,T,G,C,A,T,C];
(%o9)                        [A, T, G, C, A, T, C]
(%i10) elimn(M, 1, 3, 7);
(%o10)                       [_, T, _, C, A, T, _]
(%i11) elimn(M, 1, 3, 7, t);
(%o11)                           [T, C, A, T]
(%i12) elimn(l,index):=block([ans, indi:map("=", index, delete([], makelist(0, n, 1, length(index))))], ans:subst([0="_"], l*subst(indi, makelist(n, n, 1, length(l)))/makelist(n, n,1,length(l))), if(is(last(index)=t)) then return(delete("_", ans)) else return(ans));
(%o12) elimn(l, index) := block([ans, indi :
map("=", index, delete([], makelist(0, n, 1, length(index))))],
l subst(indi, makelist(n, n, 1, length(l)))
ans : subst([0 = "_"], -------------------------------------------),
makelist(n, n, 1, length(l))
if is(last(index) = t) then return(delete("_", ans)) else return(ans))
(%i13) segment(l,m,k):=block(elimn(l,index):=block([ans, indi:map("=", index, delete([], makelist(0, n, 1, length(index))))], ans:subst([0="_"], l*subst(indi, makelist(n, n, 1, length(l)))/makelist(n, n,1,length(l))), if(is(last(index)=t)) then return(delete("_", ans)) else return(ans)), elimn(l, makelist(n, n, m, k)));
(%o13) segment(l, m, k) := block(elimn(l, index) :=
block([ans, indi : map("=", index, delete([],
makelist(0, n, 1, length(index))))], ans :
l subst(indi, makelist(n, n, 1, length(l)))
subst([0 = "_"], -------------------------------------------),
makelist(n, n, 1, length(l))
if is(last(index) = t) then return(delete("_", ans)) else return(ans)),
elimn(l, makelist(n, n, m, k)))
(%i14) segment(M, 2, 5);
(%o14)                       [A, _, _, _, _, T, C]
(%i15) elim_segment(l,m,k,[p]):=block(elimn(l,index):=block([ans, indi:map("=", index, delete([], makelist(0, n, 1, length(index))))], ans:subst([0="_"], l*subst(indi, makelist(n, n, 1, length(l)))/makelist(n, n,1,length(l))), if(not(emptyp(p))) then return(delete("_", ans)) else return(ans)), elimn(l, makelist(n, n, m, k)));
(%o15) elim_segment(l, m, k, [p]) := block(elimn(l, index) :=
block([ans, indi : map("=", index, delete([],
makelist(0, n, 1, length(index))))], ans :
l subst(indi, makelist(n, n, 1, length(l)))
subst([0 = "_"], -------------------------------------------),
makelist(n, n, 1, length(l))
if not emptyp(p) then return(delete("_", ans)) else return(ans)),
elimn(l, makelist(n, n, m, k)))
(%i16) elim_segment(M, 2, 5);
(%o16)                       [A, _, _, _, _, T, C]
(%i17) elim_segment(M, 2, 5, t);
(%o17)                             [A, T, C]
(%i18) retain_segment(l,m,k,[p]):=block(elimn(l,index):=block([ans, indi:map("=", index, delete([], makelist(0, n, 1, length(index))))], ans:subst([0="_"], l*map(lambda([x], if(x=0) then 1 else 0), subst(indi, makelist(n, n, 1, length(l)))/makelist(n, n,1,length(l)))), if(not(emptyp(p))) then return(delete("_", ans)) else return(ans)), elimn(l, makelist(n, n, m, k)));
(%o18) retain_segment(l, m, k, [p]) :=
block(elimn(l, index) := block([ans, indi :
map("=", index, delete([], makelist(0, n, 1, length(index))))],
ans : subst([0 = "_"], l map(lambda([x], if x = 0 then 1 else 0),
subst(indi, makelist(n, n, 1, length(l)))
-----------------------------------------)),
makelist(n, n, 1, length(l))
if not emptyp(p) then return(delete("_", ans)) else return(ans)),
elimn(l, makelist(n, n, m, k)))
(%i19) retain_segment(M, 2, 5);
(%o19)                       [_, T, G, C, A, _, _]
(%i20) retain_segment(M, 2, 5, t);
(%o20)                           [T, G, C, A]
(%i21) cut(l,m,k,h,[p]):=block( cut_segment(l, m, k, [p]):=block( elimn(l,index):=block([ans, indi:map("=", index, makelist(0, n, 1, length(index)))], ans:subst([0="_"], l*subst(indi, makelist(n, n, 1, length(l)))/makelist(n, n, 1, length(l))), if(not(emptyp(p))) then return(delete("_", ans)) else return(ans)), elimn(l, makelist(n, n, m, k))), cut_flanks(l, m, k, [p]):=block(elimn(l,index):=block([ans, indi:map("=", index, makelist(0, n, 1, length(index)))], ans:subst([0="_"], l*map(lambda([x], if(x=1) then 0 else 1), subst(indi, makelist(n, n, 1, length(l)))/makelist(n, n, 1, length(l)))), if(not(emptyp(p))) then return(delete("_", ans)) else return(ans)), elimn(l, makelist(n, n, m, k))), if(h=s and emptyp(p)) then return(cut_flanks(l,m,k)) else if(h=s and not(emptyp(p))) then return(cut_flanks(l,m,k,t)) else if(h=f and emptyp(p)) then return(cut_segment(l,m,k)) else if(h=f and not(emptyp(p))) then return(cut_segment(l,m,k,t)));
(%o21) cut(l, m, k, h, [p]) := block(cut_segment(l, m, k, [p]) :=
block(elimn(l, index) := block([ans, indi :
map("=", index, makelist(0, n, 1, length(index)))],
l subst(indi, makelist(n, n, 1, length(l)))
ans : subst([0 = "_"], -------------------------------------------),
makelist(n, n, 1, length(l))
if not emptyp(p) then return(delete("_", ans)) else return(ans)),
elimn(l, makelist(n, n, m, k))), cut_flanks(l, m, k, [p]) :=
block(elimn(l, index) := block([ans, indi :
map("=", index, makelist(0, n, 1, length(index)))],
ans : subst([0 = "_"], l map(lambda([x], if x = 1 then 0 else 1),
subst(indi, makelist(n, n, 1, length(l)))
-----------------------------------------)),
makelist(n, n, 1, length(l))
if not emptyp(p) then return(delete("_", ans)) else return(ans)),
elimn(l, makelist(n, n, m, k))), if (h = s) and emptyp(p)
then return(cut_flanks(l, m, k)) else (if (h = s) and (not emptyp(p))
then return(cut_flanks(l, m, k, t)) else (if (h = f) and emptyp(p)
then return(cut_segment(l, m, k)) else (if (h = f) and (not emptyp(p))
then return(cut_segment(l, m, k, t))))))
(%i22) ```

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