2 * Introduction to itensor::
3 * Definitions for itensor::
6 @node Introduction to itensor, Definitions for itensor, itensor, itensor
7 @section Introduction to itensor
9 @node Definitions for itensor, , Introduction to itensor, itensor
10 @section Definitions for itensor
12 @deffn {Function} entertensor (@var{name})
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16 @deffn {Function} changename (@var{old}, @var{new}, @var{expr})
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20 @deffn {Function} listoftens
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24 @deffn {Function} ishow (@var{expr})
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28 @deffn {Function} indices (@var{expr})
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32 @deffn {Function} rename (@var{expr})
33 @deffnx {Function} rename (@var{expr}, @var{count})
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37 @defvr {Option variable} flipflag
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41 @deffn {Function} defcon (@var{tensor_1})
42 @deffnx {Function} defcon (@var{tensor_1}, @var{tensor_2}, @var{tensor_3})
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46 @deffn {Function} remcon (@var{tensor_1}, ..., @var{tensor_n})
47 @deffnx {Function} remcon (all)
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51 @deffn {Function} contract (@var{expr})
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55 @deffn {Function} indexed_tensor (@var{tensor})
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59 @deffn {Function} components (@var{tensor}, @var{expr})
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63 @deffn {Function} remcomps (@var{tensor})
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67 @deffn {Function} showcomps (@var{tensor})
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71 @deffn {Function} idummy ()
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75 @defvr {Option variable} idummyx
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79 @defvr {Option variable} icounter
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83 @deffn {Function} kdelta (@var{L1}, @var{L2})
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87 @deffn {Function} kdels (@var{L1}, @var{L2})
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91 @deffn {Function} levi_civita (@var{L})
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95 @deffn {Function} lc2kdt (@var{expr})
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99 @deffn {Function} lc_l
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103 @deffn {Function} lc_u
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107 @deffn {Function} canten (@var{expr})
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111 @deffn {Function} concan (@var{expr})
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115 @defvr {Option variable} allsym
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119 @deffn {Function} decsym (@var{tensor}, @var{m}, @var{n}, [@var{cov_1}, @var{cov_2}, ...], [@var{contr_1}, @var{contr_2}, ...])
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123 @deffn {Function} remsym (@var{tensor}, @var{m}, @var{n})
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127 @deffn {Function} canform (@var{expr})
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131 @deffn {Function} diff (@var{expr}, @var{v_1}, [@var{n_1}, [@var{v_2}, @var{n_2}] ...])
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135 @deffn {Function} idiff (@var{expr}, @var{v_1}, [@var{n_1}, [@var{v_2}, @var{n_2}] ...])
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139 @deffn {Function} liediff (@var{v}, @var{ten})
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143 @deffn {Function} rediff (@var{ten})
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147 @deffn {Function} undiff (@var{expr})
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151 @deffn {Function} evundiff (@var{expr})
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155 @deffn {Function} flush (@var{expr}, @var{tensor_1}, @var{tensor_2}, ...)
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159 @deffn {Function} flushd (@var{expr}, @var{tensor_1}, @var{tensor_2}, ...)
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163 @deffn {Function} flushnd (@var{expr}, @var{tensor}, @var{n})
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167 @deffn {Function} coord (@var{tensor_1}, @var{tensor_2}, ...)
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171 @deffn {Function} remcoord (@var{tensor_1}, @var{tensor_2}, ...)
172 @deffnx {Function} remcoord (all)
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176 @deffn {Function} makebox (@var{expr})
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180 @deffn {Function} conmetderiv (@var{expr}, @var{tensor})
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184 @deffn {Function} simpmetderiv (@var{expr})
185 @deffnx {Function} simpmetderiv (@var{expr}[, @var{stop}])
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189 @deffn {Function} flush1deriv (@var{expr}, @var{tensor})
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193 @deffn {Function} imetric (@var{g})
194 @deffnx {System variable} imetric
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198 @deffn {Function} idim (@var{n})
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202 @deffn {Function} ichr1 ([@var{i}, @var{j}, @var{k}])
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206 @deffn {Function} ichr2 ([@var{i}, @var{j}], [@var{k}])
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210 @deffn {Function} icurvature ([@var{i}, @var{j}, @var{k}], [@var{h}])
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214 @deffn {Function} covdiff (@var{expr}, @var{v_1}, @var{v_2}, ...)
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218 @deffn {Function} lorentz_gauge (@var{expr})
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222 @deffn {Function} igeodesic_coords (@var{expr}, @var{name})
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226 @deffn {Function} iframes ()
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230 @defvr {Variable} ifb
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234 @defvr {Variable} icc1
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238 @defvr {Variable} icc2
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242 @defvr {Variable} ifc1
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246 @defvr {Variable} ifc2
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250 @defvr {Variable} ifr
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254 @defvr {Variable} ifri
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258 @defvr {Variable} ifg
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262 @defvr {Variable} ifgi
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266 @defvr {Option variable} iframe_bracket_form
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270 @defvr {Variable} inm
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274 @defvr {Variable} inmc1
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278 @defvr {Variable} inmc2
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282 @defvr {Variable} ikt1
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286 @defvr {Variable} ikt2
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290 @defvr {Variable} itr
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302 @deffn {Function} extdiff (@var{expr}, @var{i})
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306 @deffn {Function} hodge (@var{expr})
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310 @defvr {Option variable} igeowedge_flag
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314 @deffn {Function} tentex (@var{expr})
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318 @deffn {Function} ic_convert (@var{eqn})
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