1 | function symb_pvec = polyprint(pvec) |
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2 | %POLYPRINT Pretty print polynomial expression |
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3 | % |
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4 | % POLYPRINT is obsolete. Use SDISPLAY instead. |
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5 | |
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6 | % Author Johan Löfberg |
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7 | % $Id: polyprint.m,v 1.6 2004/09/15 16:30:54 johanl Exp $ |
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8 | |
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9 | for pi = 1:size(pvec,1) |
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10 | for pj = 1:size(pvec,2) |
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11 | p = pvec(pi,pj); |
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12 | |
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13 | if isa(p,'double') |
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14 | symb_p = num2str(p); |
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15 | else |
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16 | LinearVariables = depends(p); |
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17 | x = recover(LinearVariables); |
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18 | exponent_p = full(exponents(p,x)); |
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19 | names = cell(length(x),1); |
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20 | W = evalin('caller','whos'); |
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21 | for i = 1:size(W,1) |
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22 | if strcmp(W(i).class,'sdpvar')% | strcmp(W(i).class,'lmi') |
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23 | thevars = evalin('caller',W(i).name) ; |
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24 | if is(thevars,'scalar') & is(thevars,'linear') & length(getvariables(thevars))==1 |
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25 | index_in_p = find(ismember(LinearVariables,getvariables(thevars))); |
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26 | if ~isempty(index_in_p) |
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27 | names{index_in_p}=W(i).name; |
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28 | end |
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29 | end |
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30 | end |
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31 | end |
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32 | |
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33 | symb_p = ''; |
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34 | if all(exponent_p(1,:)==0) |
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35 | symb_p = num2str(full(getbasematrix(p,0))); |
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36 | exponent_p = exponent_p(2:end,:); |
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37 | end |
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38 | |
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39 | for i = 1:size(exponent_p,1) |
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40 | coeff = full(getbasematrixwithoutcheck(p,i)); |
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41 | switch coeff |
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42 | case 1 |
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43 | coeff='+'; |
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44 | case -1 |
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45 | coeff = '-'; |
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46 | otherwise |
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47 | if isreal(coeff) |
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48 | if coeff >0 |
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49 | coeff = ['+' num2str2(coeff)]; |
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50 | else |
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51 | coeff=[num2str2(coeff)]; |
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52 | end |
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53 | else |
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54 | coeff = ['+' '(' num2str2(coeff) ')' ]; |
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55 | end |
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56 | end |
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57 | symb_p = [symb_p coeff symbmonom(names,exponent_p(i,:))]; |
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58 | end |
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59 | if symb_p(1)=='+' |
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60 | symb_p = symb_p(2:end); |
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61 | end |
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62 | end |
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63 | symb_pvec{pi,pj} = symb_p; |
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64 | end |
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65 | end |
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66 | |
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67 | function s = symbmonom(names,monom) |
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68 | s = ''; |
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69 | for j = 1:length(monom) |
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70 | if abs( monom(j))>0 |
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71 | s = [s names{j}]; |
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72 | if monom(j)~=1 |
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73 | s = [s '^' num2str(monom(j))]; |
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74 | end |
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75 | end |
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76 | end |
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77 | |
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78 | function s = num2str2(x) |
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79 | s = num2str(full(x)); |
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80 | if isequal(s,'1') |
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81 | s = ''; |
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82 | end |
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83 | if isequal(s,'-1') |
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84 | s = '-'; |
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85 | end |
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86 | |
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87 | |
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