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 ```1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 ``` `````` \$LastChangedDate: 11-03-2011 \$ comet3d 3D comet animated plot. Calling Sequence comet3d(z) comet3d(x,y,z) comet3d(x,y,fun) comet3d(x,y,z,p) comet3d(x,y,fun,p) comet3d(...,"colors",c) Parameters x a real vector or matrix. If omitted, it is assumed to be the vector 1:nz where nz is the number of curve points given by the z parameter. y a real vector or matrix. If omitted, it is assumed to be the vector 1:nz where nz is the number of curve points given by the z parameter. z a real vector of length nz or a matrix with nz rows. p a real scalar in the interval[0 1[. Default value is 0.1. fun a scilab function with calling sequence z=fun(x,y). c a vector of ny color index. Description If (x,y,z) are three vectors with the same number of elements, this function draws a 3D comet animated plot. The plot is made of three parts: a head mark that shows the current (x(i),y(i),z(i)) position. a body that shows the trailing curve that follows the head: the (x(i-k:i),y(i-k:i),z(i-k:i))) part of the curve. a tail that shows the (x(1:i-k),y(1:i-k),z(1:i-k)) part of the curve. if z is a matrix and (x,y) are vectors then animated curves are drawn for each triple (x,y,z(:,l)). in this case nz is the number of rows of z. if x,y,z are matrices with the same dimensions then animated curves are drawn for each triple (x(:,l),y(:,l),z(:,l)). comet3d(x,y,fun,...) computes the z vector as z(i)=fun(x(i),y(i)) comet3d(...,p) can be used to set the relative length of the body. k is defined as k = round(p*nz). Examples See Also comet Authors Serge Steer History First version April 2011, for Scilab-5.3.2 ``````