Warning: X does not support locale en_US.UTF-8 19-Jun-2023 18:17:48 lambert_w_test(): MATLAB/Octave version 9.14.0.2206163 (R2023a) Test lambert_w(). lambert_w_test01(): Compare stored, computed, and system values for LambertW(x). X Stored value lambert_w(x) lambertw(x) -0.0367879 -4.8897201698674291 -4.8897201698674371 -4.8897201698674371 -0.0735759 -3.9943083470021219 -3.9943083470021299 -3.9943083470021303 -0.110364 -3.4392164832802039 -3.4392164832802004 -3.4392164832802008 -0.147152 -3.0223132453246571 -3.0223132453246562 -3.0223132453246562 -0.18394 -2.6783469900166610 -2.6783469900166619 -2.6783469900166619 -0.220728 -2.3764213420628870 -2.3764213420628897 -2.3764213420628897 -0.257516 -2.0973492107034919 -2.0973492107034888 -2.0973492107034888 -0.294304 -1.8243883090329840 -1.8243883090329840 -1.8243883090329840 -0.331091 -1.5318116083896121 -1.5318116083896125 -1.5318116083896127 -0.367879 -1.0000000000000000 -1.0000000425527849 -1.0000000421468491 -0.331091 -0.6083412847334320 -0.6083412847334314 -0.6083412847334315 -0.294304 -0.4716719097435220 -0.4716719097435222 -0.4716719097435222 -0.257516 -0.3744931340194980 -0.3744931340194991 -0.3744931340194990 -0.220728 -0.2970834624464240 -0.2970834624464233 -0.2970834624464233 -0.18394 -0.2319609529865340 -0.2319609529865342 -0.2319609529865341 -0.147152 -0.1753565005292990 -0.1753565005292994 -0.1753565005292994 -0.110364 -0.1250669829825240 -0.1250669829825244 -0.1250669829825244 -0.0735759 -0.0796781605114770 -0.0796781605114760 -0.0796781605114760 -0.0367879 -0.0382212417467990 -0.0382212417467992 -0.0382212417467992 0 0.0000000000000000 0.0000000000000000 0.0000000000000000 0.5 0.3517337112491958 0.3517337112491958 0.3517337112491958 1 0.5671432904097840 0.5671432904097838 0.5671432904097838 1.5 0.7258613577662263 0.7258613577662263 0.7258613577662263 2 0.8526055020137255 0.8526055020137255 0.8526055020137255 2.5 0.9585863567287028 0.9585863567287030 0.9585863567287030 2.71828 1.0000000000000000 1.0000000000000000 1.0000000000000000 3 1.0499088949640401 1.0499088949640398 1.0499088949640401 3.5 1.1302893269741361 1.1302893269741359 1.1302893269741359 4 1.2021678731970431 1.2021678731970429 1.2021678731970429 4.5 1.2672378143074350 1.2672378143074350 1.2672378143074348 5 1.3267246652422000 1.3267246652422002 1.3267246652422002 5.5 1.3815453794450410 1.3815453794450414 1.3815453794450414 6 1.4324047758983001 1.4324047758983003 1.4324047758983003 6.5 1.4798568301738511 1.4798568301738515 1.4798568301738515 7 1.5243452049841439 1.5243452049841444 1.5243452049841444 7.5 1.5662309537823880 1.5662309537823875 1.5662309537823875 8 1.6058119963201780 1.6058119963201776 1.6058119963201776 10 1.7455280027406990 1.7455280027406996 1.7455280027406994 100 3.3856301402900502 3.3856301402900502 3.3856301402900502 1000 5.2496028524015959 5.2496028524015959 5.2496028524015967 1e+06 11.3833580861400492 11.3833580861400527 11.3833580861400527 lambert_w_test02(): Repeat test, using a single call with vector argument. X Stored value lambert_w(X) lambertw(X) -0.0367879441171440 -4.8897201698674291 -4.8897201698674371 -4.8897201698674371 -0.0735758882342880 -3.9943083470021219 -3.9943083470021299 -3.9943083470021303 -0.1103638323514330 -3.4392164832802039 -3.4392164832802004 -3.4392164832802008 -0.1471517764685770 -3.0223132453246571 -3.0223132453246562 -3.0223132453246562 -0.1839397205857210 -2.6783469900166610 -2.6783469900166619 -2.6783469900166619 -0.2207276647028650 -2.3764213420628870 -2.3764213420628897 -2.3764213420628897 -0.2575156088200100 -2.0973492107034919 -2.0973492107034888 -2.0973492107034888 -0.2943035529371540 -1.8243883090329840 -1.8243883090329840 -1.8243883090329835 -0.3310914970542980 -1.5318116083896121 -1.5318116083896125 -1.5318116083896127 -0.3678794411714420 -1.0000000000000000 -1.0000000425527849 -1.0000000421468491 -0.3310914970542980 -0.6083412847334320 NaN -0.6083412847334315 -0.2943035529371540 -0.4716719097435220 NaN -0.4716719097435222 -0.2575156088200100 -0.3744931340194980 NaN -0.3744931340194991 -0.2207276647028650 -0.2970834624464240 NaN -0.2970834624464233 -0.1839397205857210 -0.2319609529865340 NaN -0.2319609529865341 -0.1471517764685770 -0.1753565005292990 NaN -0.1753565005292994 -0.1103638323514330 -0.1250669829825240 NaN -0.1250669829825244 -0.0735758882342880 -0.0796781605114770 NaN -0.0796781605114760 -0.0367879441171440 -0.0382212417467990 NaN -0.0382212417467992 0.0000000000000000 0.0000000000000000 NaN 0.0000000000000000 0.5000000000000000 0.3517337112491958 NaN 0.3517337112491958 1.0000000000000000 0.5671432904097840 NaN 0.5671432904097838 1.5000000000000000 0.7258613577662263 NaN 0.7258613577662263 2.0000000000000000 0.8526055020137255 NaN 0.8526055020137255 2.5000000000000000 0.9585863567287028 NaN 0.9585863567287030 2.7182818284590451 1.0000000000000000 NaN 1.0000000000000000 3.0000000000000000 1.0499088949640401 NaN 1.0499088949640401 3.5000000000000000 1.1302893269741361 NaN 1.1302893269741359 4.0000000000000000 1.2021678731970431 NaN 1.2021678731970429 4.5000000000000000 1.2672378143074350 NaN 1.2672378143074348 5.0000000000000000 1.3267246652422000 NaN 1.3267246652422002 5.5000000000000000 1.3815453794450410 NaN 1.3815453794450414 6.0000000000000000 1.4324047758983001 NaN 1.4324047758983003 6.5000000000000000 1.4798568301738511 NaN 1.4798568301738515 7.0000000000000000 1.5243452049841439 NaN 1.5243452049841444 7.5000000000000000 1.5662309537823880 NaN 1.5662309537823875 8.0000000000000000 1.6058119963201780 NaN 1.6058119963201776 10.0000000000000000 1.7455280027406990 NaN 1.7455280027406994 100.0000000000000000 3.3856301402900502 NaN 3.3856301402900502 1000.0000000000000000 5.2496028524015959 NaN 5.2496028524015959 1000000.0000000000000000 11.3833580861400492 NaN 11.3833580861400527 lambert_w_test(): Normal end of execution. 19-Jun-2023 18:17:48