Plotting arrays with different sizes

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HC98
HC98 2023-5-26
编辑： Star Strider 2023-5-26
Ran in:
I want to plot a function where the arrays are different sizes
gamma = [1, 1.2, 1.4, 1.6, 1.8, 2];
x = [0:0.01:2000];
b = 349.22567;
y = 2.*(gamma.^2 - x./b);
Arrays have incompatible sizes for this operation.
How can I do this? Obviously
arrays have incopatible sizes
so this will not work. It would be unwise at best to do
plot(x, 2.*(gamma(1)^2 - x./b), 'b')
% etc...

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Star Strider
Star Strider 2023-5-26
编辑：Star Strider 2023-5-26
Ran in:
Transpose ‘gamma’ to create a family of curves —
gamma = [1, 1.2, 1.4, 1.6, 1.8, 2];
x = [0:0.01:2000];
b = 349.22567;
y = 2.*(gamma(:).^2 - x./b)
y = 6×200001
2.0000 1.9999 1.9999 1.9998 1.9998 1.9997 1.9997 1.9996 1.9995 1.9995 1.9994 1.9994 1.9993 1.9993 1.9992 1.9991 1.9991 1.9990 1.9990 1.9989 1.9989 1.9988 1.9987 1.9987 1.9986 1.9986 1.9985 1.9985 1.9984 1.9983 2.8800 2.8799 2.8799 2.8798 2.8798 2.8797 2.8797 2.8796 2.8795 2.8795 2.8794 2.8794 2.8793 2.8793 2.8792 2.8791 2.8791 2.8790 2.8790 2.8789 2.8789 2.8788 2.8787 2.8787 2.8786 2.8786 2.8785 2.8785 2.8784 2.8783 3.9200 3.9199 3.9199 3.9198 3.9198 3.9197 3.9197 3.9196 3.9195 3.9195 3.9194 3.9194 3.9193 3.9193 3.9192 3.9191 3.9191 3.9190 3.9190 3.9189 3.9189 3.9188 3.9187 3.9187 3.9186 3.9186 3.9185 3.9185 3.9184 3.9183 5.1200 5.1199 5.1199 5.1198 5.1198 5.1197 5.1197 5.1196 5.1195 5.1195 5.1194 5.1194 5.1193 5.1193 5.1192 5.1191 5.1191 5.1190 5.1190 5.1189 5.1189 5.1188 5.1187 5.1187 5.1186 5.1186 5.1185 5.1185 5.1184 5.1183 6.4800 6.4799 6.4799 6.4798 6.4798 6.4797 6.4797 6.4796 6.4795 6.4795 6.4794 6.4794 6.4793 6.4793 6.4792 6.4791 6.4791 6.4790 6.4790 6.4789 6.4789 6.4788 6.4787 6.4787 6.4786 6.4786 6.4785 6.4785 6.4784 6.4783 8.0000 7.9999 7.9999 7.9998 7.9998 7.9997 7.9997 7.9996 7.9995 7.9995 7.9994 7.9994 7.9993 7.9993 7.9992 7.9991 7.9991 7.9990 7.9990 7.9989 7.9989 7.9988 7.9987 7.9987 7.9986 7.9986 7.9985 7.9985 7.9984 7.9983
figure
plot(x, y)
grid
xlabel('X')
ylabel('Y')
legend("\gamma = "+string(gamma(:)), 'Location','best')
A slightly different version —
gamma = [1, 1.2, 1.4, 1.6, 1.8, 2].';
x = [0:0.01:2000];
b = 349.22567;
y = 2.*(gamma.^2 - x./b)
y = 6×200001
2.0000 1.9999 1.9999 1.9998 1.9998 1.9997 1.9997 1.9996 1.9995 1.9995 1.9994 1.9994 1.9993 1.9993 1.9992 1.9991 1.9991 1.9990 1.9990 1.9989 1.9989 1.9988 1.9987 1.9987 1.9986 1.9986 1.9985 1.9985 1.9984 1.9983 2.8800 2.8799 2.8799 2.8798 2.8798 2.8797 2.8797 2.8796 2.8795 2.8795 2.8794 2.8794 2.8793 2.8793 2.8792 2.8791 2.8791 2.8790 2.8790 2.8789 2.8789 2.8788 2.8787 2.8787 2.8786 2.8786 2.8785 2.8785 2.8784 2.8783 3.9200 3.9199 3.9199 3.9198 3.9198 3.9197 3.9197 3.9196 3.9195 3.9195 3.9194 3.9194 3.9193 3.9193 3.9192 3.9191 3.9191 3.9190 3.9190 3.9189 3.9189 3.9188 3.9187 3.9187 3.9186 3.9186 3.9185 3.9185 3.9184 3.9183 5.1200 5.1199 5.1199 5.1198 5.1198 5.1197 5.1197 5.1196 5.1195 5.1195 5.1194 5.1194 5.1193 5.1193 5.1192 5.1191 5.1191 5.1190 5.1190 5.1189 5.1189 5.1188 5.1187 5.1187 5.1186 5.1186 5.1185 5.1185 5.1184 5.1183 6.4800 6.4799 6.4799 6.4798 6.4798 6.4797 6.4797 6.4796 6.4795 6.4795 6.4794 6.4794 6.4793 6.4793 6.4792 6.4791 6.4791 6.4790 6.4790 6.4789 6.4789 6.4788 6.4787 6.4787 6.4786 6.4786 6.4785 6.4785 6.4784 6.4783 8.0000 7.9999 7.9999 7.9998 7.9998 7.9997 7.9997 7.9996 7.9995 7.9995 7.9994 7.9994 7.9993 7.9993 7.9992 7.9991 7.9991 7.9990 7.9990 7.9989 7.9989 7.9988 7.9987 7.9987 7.9986 7.9986 7.9985 7.9985 7.9984 7.9983
figure
plot(x, y)
grid
xlabel('X')
ylabel('Y')
legend("\gamma = "+string(gamma), 'Location','best')
.

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