forked from lijiext/lammps
git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12728 f3b2605a-c512-4ea7-a41b-209d697bcdaa
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sjplimp
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@ -54,7 +54,7 @@
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math functions = sqrt(x), exp(x), ln(x), log(x), abs(x),
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sin(x), cos(x), tan(x), asin(x), acos(x), atan(x), atan2(y,x),
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random(x,y,z), normal(x,y,z), ceil(x), floor(x), round(x)
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ramp(x,y), stagger(x,y), logfreq(x,y,z), stride(x,y,z), vdisplace(x,y), swiggle(x,y,z), cwiggle(x,y,z)
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ramp(x,y), stagger(x,y), logfreq(x,y,z), stride(x,y,z), stride2(x,y,z,a,b,c), vdisplace(x,y), swiggle(x,y,z), cwiggle(x,y,z)
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group functions = count(group), mass(group), charge(group),
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xcm(group,dim), vcm(group,dim), fcm(group,dim),
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bound(group,dir), gyration(group), ke(group),
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@ -378,7 +378,7 @@ references to other variables.
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<TR><TD >Thermo keywords</TD><TD > vol, pe, ebond, etc</TD></TR>
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<TR><TD >Math operators</TD><TD > (), -x, x+y, x-y, x*y, x/y, x^y, x%y, </TD></TR>
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<TR><TD >Math operators</TD><TD > (), -x, x+y, x-y, x*y, x/y, x^y, x%y, x == y, x != y, x < y, x <= y, x > y, x >= y, x && y, x || y, !x</TD></TR>
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<TR><TD >Math functions</TD><TD > sqrt(x), exp(x), ln(x), log(x), abs(x), sin(x), cos(x), tan(x), asin(x), acos(x), atan(x), atan2(y,x), random(x,y,z), normal(x,y,z), ceil(x), floor(x), round(x), ramp(x,y), stagger(x,y), logfreq(x,y,z), stride(x,y,z), vdisplace(x,y), swiggle(x,y,z), cwiggle(x,y,z)</TD></TR>
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<TR><TD >Math functions</TD><TD > sqrt(x), exp(x), ln(x), log(x), abs(x), sin(x), cos(x), tan(x), asin(x), acos(x), atan(x), atan2(y,x), random(x,y,z), normal(x,y,z), ceil(x), floor(x), round(x), ramp(x,y), stagger(x,y), logfreq(x,y,z), stride(x,y,z), stride2(x,y,z,a,b,c), vdisplace(x,y), swiggle(x,y,z), cwiggle(x,y,z)</TD></TR>
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<TR><TD >Group functions</TD><TD > count(ID), mass(ID), charge(ID), xcm(ID,dim), vcm(ID,dim), fcm(ID,dim), bound(ID,dir), gyration(ID), ke(ID), angmom(ID,dim), torque(ID,dim), inertia(ID,dimdim), omega(ID,dim)</TD></TR>
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<TR><TD >Region functions</TD><TD > count(ID,IDR), mass(ID,IDR), charge(ID,IDR), xcm(ID,dim,IDR), vcm(ID,dim,IDR), fcm(ID,dim,IDR), bound(ID,dir,IDR), gyration(ID,IDR), ke(ID,IDR), angmom(ID,dim,IDR), torque(ID,dim,IDR), inertia(ID,dimdim,IDR), omega(ID,dim,IDR)</TD></TR>
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<TR><TD >Special functions</TD><TD > sum(x), min(x), max(x), ave(x), trap(x), slope(x), gmask(x), rmask(x), grmask(x,y), next(x)</TD></TR>
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@ -542,16 +542,33 @@ output timesteps:
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</PRE>
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<P>The stride(x,y,z) function uses the current timestep to generate a new
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timestep. X,y >= 0 and z > 0 and x <= y are required. The generated
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timesteps increase in increments of z, from x to y, I.e. it generates
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timesteps increase in increments of z, from x to y, i.e. it generates
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the sequece x,x+z,x+2z,...,y. If y-x is not a multiple of z, then
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similar to the way a for loop operates, the last value will be one
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that does not exceed y. For any current timestep, the next timestep
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in the sequence is returned. Thus if stagger(1000,2000,100) is used
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in the sequence is returned. Thus if stride(1000,2000,100) is used
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in a variable by the <A HREF = "dump_modify.html">dump_modify every</A> command, it
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will generate the sequence of output timesteps:
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</P>
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<PRE>1000,1100,1200, ... ,1900,2000
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</PRE>
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<P>The stride2(x,y,z,a,b,c) function is similar to the stride() function
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except it generates two sets of strided timesteps, one at a coarser
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level and one at a finer level. Thus it is useful for debugging,
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e.g. to produce output every timestep at the point in simulation when
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a problem occurs. X,y >= 0 and z > 0 and x <= y are required, as are
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a,b >= 0 and c > 0 and a < b. Also, a >= x and b <= y are required so
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that the second stride is inside the first. The generated timesteps
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increase in increments of z, starting at x, until a is reached. At
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that point the timestep increases in increments of c, from a to b,
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then after b, increments by z are resumed until y is reached. For any
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current timestep, the next timestep in the sequence is returned. Thus
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if stride(1000,2000,100,1350,1360,1) is used in a variable by the
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<A HREF = "dump_modify.html">dump_modify every</A> command, it will generate the
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sequence of output timesteps:
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</P>
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<PRE>1000,1100,1200,1300,1350,1351,1352, ... 1359,1360,1400,1500, ... ,2000
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</PRE>
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<P>The vdisplace(x,y) function takes 2 arguments: x = value0 and y =
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velocity, and uses the elapsed time to change the value by a linear
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displacement due to the applied velocity over the course of a run,
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@ -49,7 +49,7 @@ style = {delete} or {index} or {loop} or {world} or {universe} or {uloop} or {st
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math functions = sqrt(x), exp(x), ln(x), log(x), abs(x),
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sin(x), cos(x), tan(x), asin(x), acos(x), atan(x), atan2(y,x),
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random(x,y,z), normal(x,y,z), ceil(x), floor(x), round(x)
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ramp(x,y), stagger(x,y), logfreq(x,y,z), stride(x,y,z), vdisplace(x,y), swiggle(x,y,z), cwiggle(x,y,z)
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ramp(x,y), stagger(x,y), logfreq(x,y,z), stride(x,y,z), stride2(x,y,z,a,b,c), vdisplace(x,y), swiggle(x,y,z), cwiggle(x,y,z)
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group functions = count(group), mass(group), charge(group),
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xcm(group,dim), vcm(group,dim), fcm(group,dim),
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bound(group,dir), gyration(group), ke(group),
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@ -371,7 +371,7 @@ Constant: PI
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Thermo keywords: vol, pe, ebond, etc
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Math operators: (), -x, x+y, x-y, x*y, x/y, x^y, x%y,
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Math operators: (), -x, x+y, x-y, x*y, x/y, x^y, x%y, x == y, x != y, x < y, x <= y, x > y, x >= y, x && y, x || y, !x
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Math functions: sqrt(x), exp(x), ln(x), log(x), abs(x), sin(x), cos(x), tan(x), asin(x), acos(x), atan(x), atan2(y,x), random(x,y,z), normal(x,y,z), ceil(x), floor(x), round(x), ramp(x,y), stagger(x,y), logfreq(x,y,z), stride(x,y,z), vdisplace(x,y), swiggle(x,y,z), cwiggle(x,y,z)
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Math functions: sqrt(x), exp(x), ln(x), log(x), abs(x), sin(x), cos(x), tan(x), asin(x), acos(x), atan(x), atan2(y,x), random(x,y,z), normal(x,y,z), ceil(x), floor(x), round(x), ramp(x,y), stagger(x,y), logfreq(x,y,z), stride(x,y,z), stride2(x,y,z,a,b,c), vdisplace(x,y), swiggle(x,y,z), cwiggle(x,y,z)
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Group functions: count(ID), mass(ID), charge(ID), xcm(ID,dim), \
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vcm(ID,dim), fcm(ID,dim), bound(ID,dir), \
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gyration(ID), ke(ID), angmom(ID,dim), torque(ID,dim), \
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@ -542,16 +542,33 @@ output timesteps:
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The stride(x,y,z) function uses the current timestep to generate a new
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timestep. X,y >= 0 and z > 0 and x <= y are required. The generated
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timesteps increase in increments of z, from x to y, I.e. it generates
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timesteps increase in increments of z, from x to y, i.e. it generates
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the sequece x,x+z,x+2z,...,y. If y-x is not a multiple of z, then
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similar to the way a for loop operates, the last value will be one
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that does not exceed y. For any current timestep, the next timestep
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in the sequence is returned. Thus if stagger(1000,2000,100) is used
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in the sequence is returned. Thus if stride(1000,2000,100) is used
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in a variable by the "dump_modify every"_dump_modify.html command, it
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will generate the sequence of output timesteps:
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1000,1100,1200, ... ,1900,2000 :pre
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The stride2(x,y,z,a,b,c) function is similar to the stride() function
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except it generates two sets of strided timesteps, one at a coarser
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level and one at a finer level. Thus it is useful for debugging,
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e.g. to produce output every timestep at the point in simulation when
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a problem occurs. X,y >= 0 and z > 0 and x <= y are required, as are
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a,b >= 0 and c > 0 and a < b. Also, a >= x and b <= y are required so
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that the second stride is inside the first. The generated timesteps
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increase in increments of z, starting at x, until a is reached. At
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that point the timestep increases in increments of c, from a to b,
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then after b, increments by z are resumed until y is reached. For any
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current timestep, the next timestep in the sequence is returned. Thus
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if stride(1000,2000,100,1350,1360,1) is used in a variable by the
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"dump_modify every"_dump_modify.html command, it will generate the
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sequence of output timesteps:
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1000,1100,1200,1300,1350,1351,1352, ... 1359,1360,1400,1500, ... ,2000 :pre
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The vdisplace(x,y) function takes 2 arguments: x = value0 and y =
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velocity, and uses the elapsed time to change the value by a linear
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displacement due to the applied velocity over the course of a run,
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