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Plotting Lines in 3D


From: Thomas D. Dean
Subject: Plotting Lines in 3D
Date: Wed, 05 Aug 2015 21:11:49 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0

I have an array of 100 pairs of points, 100 rows, 6 columns, the columns representing x1, y1, z1 x2, y2, z2.
A straight line from Point 1 to Point 2.

I want to plot this in 3D, resulting in 100 straight lines.

I tried
 hold on; for idx=1:100 plot3(X(idx,:)) endfor; hold off;
strange.

plot3(X(1,:)) does not result in a straight line. The (wrong?) way I read the help, it should.

How do I do this?

Tom Dean

X =
  -0.24537   0.00000   3.02878  -0.24537  -0.74948   3.02878
  -0.21714   0.00000   3.02693  -0.21714   0.66326   3.02693
  -0.19216   0.00000   3.02529  -0.19216  -0.58695   3.02529
  -0.17005   0.00000   3.02385  -0.17005   0.51943   3.02385
  -0.15049   0.00000   3.02256  -0.15049  -0.45967   3.02256
  -0.13317   0.00000   3.02143  -0.13317   0.40679   3.02143
  -0.11785   0.00000   3.02042  -0.11785  -0.35999   3.02042
  -0.10430   0.00000   3.01954  -0.10430   0.31857   3.01954
  -0.09230   0.00000   3.01875  -0.09230  -0.28192   3.01875
  -0.08168   0.00000   3.01805  -0.08168   0.24949   3.01805
  -0.07228   0.00000   3.01744  -0.07228  -0.22079   3.01744
  -0.06397   0.00000   3.01689  -0.06397   0.19539   3.01689
  -0.05661   0.00000   3.01641  -0.05661  -0.17291   3.01641
  -0.05009   0.00000   3.01598  -0.05009   0.15302   3.01598
  -0.04433   0.00000   3.01561  -0.04433  -0.13541   3.01561
  -0.03923   0.00000   3.01527  -0.03923   0.11984   3.01527
  -0.03472   0.00000   3.01498  -0.03472  -0.10605   3.01498
  -0.03072   0.00000   3.01471  -0.03072   0.09385   3.01471
  -0.02719   0.00000   3.01448  -0.02719  -0.08305   3.01448
  -0.02406   0.00000   3.01428  -0.02406   0.07350   3.01428
  -0.02129   0.00000   3.01410  -0.02129  -0.06504   3.01410
  -0.01884   0.00000   3.01394  -0.01884   0.05756   3.01394
  -0.01668   0.00000   3.01379  -0.01668  -0.05094   3.01379
  -0.01476   0.00000   3.01367  -0.01476   0.04508   3.01367
  -0.01306   0.00000   3.01356  -0.01306  -0.03989   3.01356
  -0.24537  -0.00000   2.97122  -0.24537   0.74948   2.97122
  -0.21714  -0.00000   2.97307  -0.21714  -0.66326   2.97307
  -0.19216  -0.00000   2.97471  -0.19216   0.58695   2.97471
  -0.17005  -0.00000   2.97615  -0.17005  -0.51943   2.97615
  -0.15049  -0.00000   2.97744  -0.15049   0.45967   2.97744
  -0.13317  -0.00000   2.97857  -0.13317  -0.40679   2.97857
  -0.11785  -0.00000   2.97958  -0.11785   0.35999   2.97958
  -0.10430  -0.00000   2.98046  -0.10430  -0.31857   2.98046
  -0.09230  -0.00000   2.98125  -0.09230   0.28192   2.98125
  -0.08168  -0.00000   2.98195  -0.08168  -0.24949   2.98195
  -0.07228  -0.00000   2.98256  -0.07228   0.22079   2.98256
  -0.06397  -0.00000   2.98311  -0.06397  -0.19539   2.98311
  -0.05661  -0.00000   2.98359  -0.05661   0.17291   2.98359
  -0.05009  -0.00000   2.98402  -0.05009  -0.15302   2.98402
  -0.04433  -0.00000   2.98439  -0.04433   0.13541   2.98439
  -0.03923  -0.00000   2.98473  -0.03923  -0.11984   2.98473
  -0.03472  -0.00000   2.98502  -0.03472   0.10605   2.98502
  -0.03072  -0.00000   2.98529  -0.03072  -0.09385   2.98529
  -0.02719  -0.00000   2.98552  -0.02719   0.08305   2.98552
  -0.02406  -0.00000   2.98572  -0.02406  -0.07350   2.98572
  -0.02129  -0.00000   2.98590  -0.02129   0.06504   2.98590
  -0.01884  -0.00000   2.98606  -0.01884  -0.05756   2.98606
  -0.01668  -0.00000   2.98621  -0.01668   0.05094   2.98621
  -0.01476  -0.00000   2.98633  -0.01476  -0.04508   2.98633
  -0.01306  -0.00000   2.98644  -0.01306   0.03989   2.98644
  -0.24537   0.00000   3.02878  -0.21714   0.00000   3.02693
  -0.21714   0.00000   3.02693  -0.19216   0.00000   3.02529
  -0.19216   0.00000   3.02529  -0.17005   0.00000   3.02385
  -0.17005   0.00000   3.02385  -0.15049   0.00000   3.02256
  -0.15049   0.00000   3.02256  -0.13317   0.00000   3.02143
  -0.13317   0.00000   3.02143  -0.11785   0.00000   3.02042
  -0.11785   0.00000   3.02042  -0.10430   0.00000   3.01954
  -0.10430   0.00000   3.01954  -0.09230   0.00000   3.01875
  -0.09230   0.00000   3.01875  -0.08168   0.00000   3.01805
  -0.08168   0.00000   3.01805  -0.07228   0.00000   3.01744
  -0.07228   0.00000   3.01744  -0.06397   0.00000   3.01689
  -0.06397   0.00000   3.01689  -0.05661   0.00000   3.01641
  -0.05661   0.00000   3.01641  -0.05009   0.00000   3.01598
  -0.05009   0.00000   3.01598  -0.04433   0.00000   3.01561
  -0.04433   0.00000   3.01561  -0.03923   0.00000   3.01527
  -0.03923   0.00000   3.01527  -0.03472   0.00000   3.01498
  -0.03472   0.00000   3.01498  -0.03072   0.00000   3.01471
  -0.03072   0.00000   3.01471  -0.02719   0.00000   3.01448
  -0.02719   0.00000   3.01448  -0.02406   0.00000   3.01428
  -0.02406   0.00000   3.01428  -0.02129   0.00000   3.01410
  -0.02129   0.00000   3.01410  -0.01884   0.00000   3.01394
  -0.01884   0.00000   3.01394  -0.01668   0.00000   3.01379
  -0.01668   0.00000   3.01379  -0.01476   0.00000   3.01367
  -0.01476   0.00000   3.01367  -0.01306   0.00000   3.01356
  -0.01306   0.00000   3.01356   0.00000   0.00000   3.01270
  -0.24537   0.00000   2.97122  -0.21714   0.00000   2.97307
  -0.21714   0.00000   2.97307  -0.19216   0.00000   2.97471
  -0.19216   0.00000   2.97471  -0.17005   0.00000   2.97615
  -0.17005   0.00000   2.97615  -0.15049   0.00000   2.97744
  -0.15049   0.00000   2.97744  -0.13317   0.00000   2.97857
  -0.13317   0.00000   2.97857  -0.11785   0.00000   2.97958
  -0.11785   0.00000   2.97958  -0.10430   0.00000   2.98046
  -0.10430   0.00000   2.98046  -0.09230   0.00000   2.98125
  -0.09230   0.00000   2.98125  -0.08168   0.00000   2.98195
  -0.08168   0.00000   2.98195  -0.07228   0.00000   2.98256
  -0.07228   0.00000   2.98256  -0.06397   0.00000   2.98311
  -0.06397   0.00000   2.98311  -0.05661   0.00000   2.98359
  -0.05661   0.00000   2.98359  -0.05009   0.00000   2.98402
  -0.05009   0.00000   2.98402  -0.04433   0.00000   2.98439
  -0.04433   0.00000   2.98439  -0.03923   0.00000   2.98473
  -0.03923   0.00000   2.98473  -0.03472   0.00000   2.98502
  -0.03472   0.00000   2.98502  -0.03072   0.00000   2.98529
  -0.03072   0.00000   2.98529  -0.02719   0.00000   2.98552
  -0.02719   0.00000   2.98552  -0.02406   0.00000   2.98572
  -0.02406   0.00000   2.98572  -0.02129   0.00000   2.98590
  -0.02129   0.00000   2.98590  -0.01884   0.00000   2.98606
  -0.01884   0.00000   2.98606  -0.01668   0.00000   2.98621
  -0.01668   0.00000   2.98621  -0.01476   0.00000   2.98633
  -0.01476   0.00000   2.98633  -0.01306   0.00000   2.98644
  -0.01306   0.00000   2.98644   0.00000   0.00000   2.98730



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