diff --git a/docs/src/ex1.svg b/docs/src/ex1.svg
new file mode 100644
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diff --git a/docs/src/ex2.svg b/docs/src/ex2.svg
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diff --git a/docs/src/ex3-mag.svg b/docs/src/ex3-mag.svg
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diff --git a/docs/src/ex3-phase.svg b/docs/src/ex3-phase.svg
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diff --git a/docs/src/ex4-1.svg b/docs/src/ex4-1.svg
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diff --git a/docs/src/ex4-2.svg b/docs/src/ex4-2.svg
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diff --git a/docs/src/ex4-3.svg b/docs/src/ex4-3.svg
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diff --git a/docs/src/ex4-4.svg b/docs/src/ex4-4.svg
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