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15 | <div><a href="../../../index.html">Home</a> > <a href="#">machine</a> > <a href="#">Soleil</a> > <a href="index.html">StorageRing</a> > modelmcfsensitivity.m</div> |
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19 | |
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20 | <h1>modelmcfsensitivity |
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21 | </h1> |
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22 | |
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23 | <h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2> |
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24 | <div class="box"><strong>TUNESENSITIVITY - Computes quadrupole change for a given tune step</strong></div> |
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25 | |
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26 | <h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2> |
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27 | <div class="box"><strong>function [Rmcf Rmcf2]=modelmcfsensitivity(varargin) </strong></div> |
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28 | |
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29 | <h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2> |
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30 | <div class="fragment"><pre class="comment">TUNESENSITIVITY - Computes quadrupole change for a given tune step |
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31 | |
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32 | INPUTS |
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33 | 1. dnux - horizontal tune change |
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34 | 2. dnuz - vertical tune change |
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35 | |
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36 | OUTPUTS |
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37 | 1. Rmcf - gradient change to get dnux |
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38 | 2. DKz - gradient change to get dnuz |
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39 | |
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40 | See Also <a href="modeltunesensitivity.html" class="code" title="function [DKx DKz DtuneVal]=modeltunesensitivity(varargin)">modeltunesensitivity</a>, modechrosensitivity</pre></div> |
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41 | |
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42 | <!-- crossreference --> |
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43 | <h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2> |
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44 | This function calls: |
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45 | <ul style="list-style-image:url(../../../matlabicon.gif)"> |
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46 | <li><a href="physics_mcf.html" class="code" title="function [alpha1 alpha2 alpha3] = physics_mcf(varargin)">physics_mcf</a> PHYSICS_MCF - Computes momentum compaction up to 3rd order</li></ul> |
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47 | This function is called by: |
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48 | <ul style="list-style-image:url(../../../matlabicon.gif)"> |
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49 | </ul> |
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50 | <!-- crossreference --> |
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51 | |
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52 | |
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53 | |
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54 | <h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2> |
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55 | <div class="fragment"><pre>0001 <a name="_sub0" href="#_subfunctions" class="code">function [Rmcf Rmcf2]=modelmcfsensitivity(varargin)</a> |
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56 | 0002 <span class="comment">%TUNESENSITIVITY - Computes quadrupole change for a given tune step</span> |
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57 | 0003 <span class="comment">%</span> |
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58 | 0004 <span class="comment">% INPUTS</span> |
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59 | 0005 <span class="comment">% 1. dnux - horizontal tune change</span> |
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60 | 0006 <span class="comment">% 2. dnuz - vertical tune change</span> |
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61 | 0007 <span class="comment">%</span> |
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62 | 0008 <span class="comment">% OUTPUTS</span> |
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63 | 0009 <span class="comment">% 1. Rmcf - gradient change to get dnux</span> |
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64 | 0010 <span class="comment">% 2. DKz - gradient change to get dnuz</span> |
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65 | 0011 <span class="comment">%</span> |
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66 | 0012 <span class="comment">% See Also modeltunesensitivity, modechrosensitivity</span> |
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67 | 0013 |
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68 | 0014 <span class="comment">% TODO</span> |
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69 | 0015 <span class="comment">% Analytic model.</span> |
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70 | 0016 <span class="comment">% Improvements</span> |
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71 | 0017 <span class="comment">% 1. Compute beta by tracking through the quad</span> |
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72 | 0018 <span class="comment">% 2. Fit every thing by tracking</span> |
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73 | 0019 |
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74 | 0020 <span class="comment">%</span> |
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75 | 0021 <span class="comment">% Written by Laurent S. Nadolski</span> |
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76 | 0022 |
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77 | 0023 FirstOrderFlag = 0; |
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78 | 0024 QuadFlag = 0; |
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79 | 0025 SextuFlag = 0; |
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80 | 0026 |
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81 | 0027 <span class="comment">% Flag factory parser</span> |
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82 | 0028 <span class="keyword">for</span> i = length(varargin):-1:1 |
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83 | 0029 <span class="keyword">if</span> strcmpi(varargin{i},<span class="string">'Quad'</span>) |
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84 | 0030 QuadFlag = 1; |
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85 | 0031 varargin(i) = []; |
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86 | 0032 <span class="keyword">elseif</span> strcmpi(varargin{i},<span class="string">'NoQuad'</span>) |
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87 | 0033 QuadFlag = 0; |
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88 | 0034 varargin(i) = []; |
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89 | 0035 <span class="keyword">elseif</span> strcmpi(varargin{i},<span class="string">'Sextu'</span>) |
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90 | 0036 SextuFlag = 1; |
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91 | 0037 varargin(i) = []; |
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92 | 0038 <span class="keyword">elseif</span> strcmpi(varargin{i},<span class="string">'NoSextu'</span>) |
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93 | 0039 SextuFlag = 0; |
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94 | 0040 varargin(i) = []; |
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95 | 0041 <span class="keyword">end</span> |
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96 | 0042 <span class="keyword">end</span> |
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97 | 0043 |
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98 | 0044 <span class="comment">% Parser of variaton</span> |
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99 | 0045 <span class="keyword">if</span> isempty(varargin) |
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100 | 0046 dnux = 1e-2; |
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101 | 0047 dnuz = 1e-2; |
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102 | 0048 <span class="keyword">elseif</span> length(varargin) == 1 |
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103 | 0049 dnux = vararing{1}; <span class="comment">%#ok<USENS></span> |
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104 | 0050 dnuz = dnux; |
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105 | 0051 <span class="keyword">else</span> |
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106 | 0052 dnux = vararing{1}; |
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107 | 0053 dnuz = vararing{1}; |
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108 | 0054 <span class="keyword">end</span> |
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109 | 0055 |
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110 | 0056 <span class="keyword">global</span> GLOBVAL; |
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111 | 0057 |
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112 | 0058 fprintf(<span class="string">' ******** Summary for ''%s'' ********\n'</span>, GLOBVAL.LatticeFile); |
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113 | 0059 |
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114 | 0060 a = findmemberof(<span class="string">'QUAD'</span>); |
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115 | 0061 |
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116 | 0062 <span class="keyword">if</span> QuadFlag |
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117 | 0063 <span class="comment">% remove nanoscopium</span> |
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118 | 0064 a(12) = []; |
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119 | 0065 a(11) = []; |
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120 | 0066 FamNb= length(a); |
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121 | 0067 Rmcf = zeros(1,FamNb); |
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122 | 0068 Rmcf2 = zeros(1,FamNb); |
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123 | 0069 |
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124 | 0070 <span class="comment">% Quadrupole variation in Ampere</span> |
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125 | 0071 StepValue = ones(1,FamNb)*0.1; <span class="comment">% A</span> |
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126 | 0072 |
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127 | 0073 fprintf(<span class="string">'Quadrupole change for a change of 1 A \n'</span>); |
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128 | 0074 <span class="keyword">for</span> k = 1:FamNb, |
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129 | 0075 |
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130 | 0076 Family = a{k}; |
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131 | 0077 |
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132 | 0078 stepsp(Family, 0.5*StepValue(k), <span class="string">'Model'</span>); <span class="comment">% plus delta</span> |
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133 | 0079 |
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134 | 0080 <span class="keyword">if</span> FirstOrderFlag |
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135 | 0081 mcfplus = getmcf(<span class="string">'Model'</span>); |
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136 | 0082 |
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137 | 0083 stepsp(Family, -StepValue(k), <span class="string">'Model'</span>); <span class="comment">% minus delta</span> |
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138 | 0084 |
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139 | 0085 mcfminus = getmcf(<span class="string">'Model'</span>); |
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140 | 0086 <span class="keyword">else</span> |
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141 | 0087 [alpha1 alpha2] = <a href="physics_mcf.html" class="code" title="function [alpha1 alpha2 alpha3] = physics_mcf(varargin)">physics_mcf</a>(<span class="string">'Nodisplay'</span>); |
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142 | 0088 mcfplus = alpha1; |
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143 | 0089 mcf2plus = alpha2; |
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144 | 0090 |
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145 | 0091 stepsp(Family, -StepValue(k), <span class="string">'Model'</span>); <span class="comment">% minus delta</span> |
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146 | 0092 |
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147 | 0093 [alpha1 alpha2] = <a href="physics_mcf.html" class="code" title="function [alpha1 alpha2 alpha3] = physics_mcf(varargin)">physics_mcf</a>(<span class="string">'Nodisplay'</span>); |
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148 | 0094 mcfminus = alpha1; |
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149 | 0095 mcf2minus = alpha2; |
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150 | 0096 <span class="keyword">end</span> |
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151 | 0097 |
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152 | 0098 stepsp(Family, 0.5*StepValue(k), <span class="string">'Model'</span>); <span class="comment">% come back to nominal value</span> |
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153 | 0099 |
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154 | 0100 Rmcf(k) = (mcfplus - mcfminus) / StepValue(k); |
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155 | 0101 |
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156 | 0102 <span class="keyword">if</span> FirstOrderFlag |
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157 | 0103 fprintf(<span class="string">'%4s : Delta MCF1 = %1.2e\n'</span>, <span class="keyword">...</span> |
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158 | 0104 Family, Rmcf(k)); |
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159 | 0105 <span class="keyword">else</span> |
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160 | 0106 Rmcf2(k) = (mcf2plus - mcf2minus) / StepValue(k); |
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161 | 0107 fprintf(<span class="string">'%4s : Delta MCF1 = %+1.2e Delta MCF2 = %+1.2e\n'</span>, <span class="keyword">...</span> |
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162 | 0108 Family, Rmcf(k), Rmcf2(k)); |
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163 | 0109 <span class="keyword">end</span> |
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164 | 0110 |
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165 | 0111 <span class="keyword">end</span> |
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166 | 0112 <span class="keyword">end</span> |
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167 | 0113 |
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168 | 0114 <span class="keyword">if</span> SextuFlag |
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169 | 0115 |
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170 | 0116 FamNb= length(a); |
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171 | 0117 Rmcf = zeros(1,FamNb); |
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172 | 0118 Rmcf2 = zeros(1,FamNb); |
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173 | 0119 |
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174 | 0120 a = findmemberof(<span class="string">'Sext'</span>); |
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175 | 0121 |
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176 | 0122 FamNb= length(a); |
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177 | 0123 Rmcf = zeros(1,FamNb); |
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178 | 0124 Rmcf2 = zeros(1,FamNb); |
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179 | 0125 |
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180 | 0126 <span class="comment">% Sextupole variation in Ampere</span> |
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181 | 0127 StepValue = ones(1,FamNb)*0.1; <span class="comment">% A</span> |
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182 | 0128 |
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183 | 0129 fprintf(<span class="string">'Sextupole change for a change of 1 A \n'</span>); |
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184 | 0130 <span class="keyword">for</span> k = 1:FamNb, |
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185 | 0131 |
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186 | 0132 Family = a{k}; |
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187 | 0133 |
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188 | 0134 stepsp(Family, 0.5*StepValue(k), <span class="string">'Model'</span>); <span class="comment">% plus delta</span> |
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189 | 0135 |
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190 | 0136 <span class="keyword">if</span> FirstOrderFlag |
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191 | 0137 mcfplus = getmcf(<span class="string">'Model'</span>); |
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192 | 0138 |
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193 | 0139 stepsp(Family, -StepValue(k), <span class="string">'Model'</span>); <span class="comment">% minus delta</span> |
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194 | 0140 |
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195 | 0141 mcfminus = getmcf(<span class="string">'Model'</span>); |
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196 | 0142 <span class="keyword">else</span> |
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197 | 0143 [alpha1 alpha2] = <a href="physics_mcf.html" class="code" title="function [alpha1 alpha2 alpha3] = physics_mcf(varargin)">physics_mcf</a>(<span class="string">'Nodisplay'</span>); |
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198 | 0144 mcfplus = alpha1; |
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199 | 0145 mcf2plus = alpha2; |
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200 | 0146 |
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201 | 0147 stepsp(Family, -StepValue(k), <span class="string">'Model'</span>); <span class="comment">% minus delta</span> |
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202 | 0148 |
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203 | 0149 [alpha1 alpha2] = <a href="physics_mcf.html" class="code" title="function [alpha1 alpha2 alpha3] = physics_mcf(varargin)">physics_mcf</a>(<span class="string">'Nodisplay'</span>); |
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204 | 0150 mcfminus = alpha1; |
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205 | 0151 mcf2minus = alpha2; |
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206 | 0152 <span class="keyword">end</span> |
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207 | 0153 |
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208 | 0154 stepsp(Family, 0.5*StepValue(k), <span class="string">'Model'</span>); <span class="comment">% come back to nominal value</span> |
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209 | 0155 |
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210 | 0156 Rmcf(k) = (mcfplus - mcfminus) / StepValue(k); |
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211 | 0157 |
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212 | 0158 <span class="keyword">if</span> FirstOrderFlag |
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213 | 0159 fprintf(<span class="string">'%4s : Delta MCF1 = %1.2e\n'</span>, <span class="keyword">...</span> |
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214 | 0160 Family, Rmcf(k)); |
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215 | 0161 <span class="keyword">else</span> |
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216 | 0162 Rmcf2(k) = (mcf2plus - mcf2minus) / StepValue(k); |
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217 | 0163 fprintf(<span class="string">'%4s : Delta MCF1 = %+1.2e Delta MCF2 = %+1.2e\n'</span>, <span class="keyword">...</span> |
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218 | 0164 Family, Rmcf(k), Rmcf2(k)); |
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219 | 0165 <span class="keyword">end</span> |
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220 | 0166 |
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221 | 0167 <span class="keyword">end</span> |
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222 | 0168 <span class="keyword">end</span></pre></div> |
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223 | <hr><address>Generated on Fri 23-Jul-2010 00:42:07 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/" title="Matlab Documentation in HTML">m2html</a></strong> © 2005</address> |
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